diff --git a/cmds/am/src/com/android/commands/am/Am.java b/cmds/am/src/com/android/commands/am/Am.java
index a501fa7..bc0c451 100644
--- a/cmds/am/src/com/android/commands/am/Am.java
+++ b/cmds/am/src/com/android/commands/am/Am.java
@@ -44,7 +44,6 @@
 import android.os.Binder;
 import android.os.Build;
 import android.os.Bundle;
-import android.os.IBinder;
 import android.os.ParcelFileDescriptor;
 import android.os.RemoteException;
 import android.os.SELinux;
diff --git a/cmds/media/src/com/android/commands/media/Media.java b/cmds/media/src/com/android/commands/media/Media.java
index 6a8fb05..d7f23cb 100644
--- a/cmds/media/src/com/android/commands/media/Media.java
+++ b/cmds/media/src/com/android/commands/media/Media.java
@@ -24,7 +24,6 @@
 import android.media.session.ISessionController;
 import android.media.session.ISessionControllerCallback;
 import android.media.session.ISessionManager;
-import android.media.session.MediaController;
 import android.media.session.ParcelableVolumeInfo;
 import android.media.session.PlaybackState;
 import android.os.Bundle;
diff --git a/cmds/pm/src/com/android/commands/pm/Pm.java b/cmds/pm/src/com/android/commands/pm/Pm.java
index 7a01701..c48a618 100644
--- a/cmds/pm/src/com/android/commands/pm/Pm.java
+++ b/cmds/pm/src/com/android/commands/pm/Pm.java
@@ -48,7 +48,6 @@
 import android.os.Build;
 import android.os.Bundle;
 import android.os.IUserManager;
-import android.os.Process;
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.UserHandle;
diff --git a/cmds/svc/src/com/android/commands/svc/DataCommand.java b/cmds/svc/src/com/android/commands/svc/DataCommand.java
index 406e33b..35510cf 100644
--- a/cmds/svc/src/com/android/commands/svc/DataCommand.java
+++ b/cmds/svc/src/com/android/commands/svc/DataCommand.java
@@ -18,8 +18,6 @@
 
 import android.os.ServiceManager;
 import android.os.RemoteException;
-import android.net.IConnectivityManager;
-import android.net.ConnectivityManager;
 import android.content.Context;
 import com.android.internal.telephony.ITelephony;
 
diff --git a/cmds/svc/src/com/android/commands/svc/WifiCommand.java b/cmds/svc/src/com/android/commands/svc/WifiCommand.java
index 39f0e35..94214ff 100644
--- a/cmds/svc/src/com/android/commands/svc/WifiCommand.java
+++ b/cmds/svc/src/com/android/commands/svc/WifiCommand.java
@@ -19,8 +19,6 @@
 import android.os.ServiceManager;
 import android.os.RemoteException;
 import android.net.wifi.IWifiManager;
-import android.net.IConnectivityManager;
-import android.net.ConnectivityManager;
 import android.content.Context;
 
 public class WifiCommand extends Svc.Command {
diff --git a/core/java/android/accessibilityservice/AccessibilityService.java b/core/java/android/accessibilityservice/AccessibilityService.java
index 3f1845a..9d6aa13 100644
--- a/core/java/android/accessibilityservice/AccessibilityService.java
+++ b/core/java/android/accessibilityservice/AccessibilityService.java
@@ -27,7 +27,6 @@
 import android.util.Log;
 import android.view.KeyEvent;
 import android.view.WindowManager;
-import android.view.WindowManagerGlobal;
 import android.view.WindowManagerImpl;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityInteractionClient;
diff --git a/core/java/android/animation/AnimatorInflater.java b/core/java/android/animation/AnimatorInflater.java
index d5ae6c6..021194c 100644
--- a/core/java/android/animation/AnimatorInflater.java
+++ b/core/java/android/animation/AnimatorInflater.java
@@ -43,7 +43,6 @@
 
 import java.io.IOException;
 import java.util.ArrayList;
-import java.util.List;
 
 /**
  * This class is used to instantiate animator XML files into Animator objects.
diff --git a/core/java/android/animation/FloatKeyframeSet.java b/core/java/android/animation/FloatKeyframeSet.java
index abac246..56da940 100644
--- a/core/java/android/animation/FloatKeyframeSet.java
+++ b/core/java/android/animation/FloatKeyframeSet.java
@@ -18,7 +18,6 @@
 
 import android.animation.Keyframe.FloatKeyframe;
 
-import java.util.ArrayList;
 import java.util.List;
 
 /**
diff --git a/core/java/android/animation/IntKeyframeSet.java b/core/java/android/animation/IntKeyframeSet.java
index 0ec5138..12a4bf9 100644
--- a/core/java/android/animation/IntKeyframeSet.java
+++ b/core/java/android/animation/IntKeyframeSet.java
@@ -18,7 +18,6 @@
 
 import android.animation.Keyframe.IntKeyframe;
 
-import java.util.ArrayList;
 import java.util.List;
 
 /**
diff --git a/core/java/android/animation/KeyframeSet.java b/core/java/android/animation/KeyframeSet.java
index 0e99bff..c80e162 100644
--- a/core/java/android/animation/KeyframeSet.java
+++ b/core/java/android/animation/KeyframeSet.java
@@ -16,7 +16,6 @@
 
 package android.animation;
 
-import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
diff --git a/core/java/android/animation/Keyframes.java b/core/java/android/animation/Keyframes.java
index c921466..c149bed 100644
--- a/core/java/android/animation/Keyframes.java
+++ b/core/java/android/animation/Keyframes.java
@@ -15,7 +15,6 @@
  */
 package android.animation;
 
-import java.util.ArrayList;
 import java.util.List;
 
 /**
diff --git a/core/java/android/animation/ObjectAnimator.java b/core/java/android/animation/ObjectAnimator.java
index 71855da..87ad49b 100644
--- a/core/java/android/animation/ObjectAnimator.java
+++ b/core/java/android/animation/ObjectAnimator.java
@@ -24,7 +24,6 @@
 import android.util.Property;
 
 import java.lang.ref.WeakReference;
-import java.util.ArrayList;
 
 /**
  * This subclass of {@link ValueAnimator} provides support for animating properties on target objects.
diff --git a/core/java/android/animation/PropertyValuesHolder.java b/core/java/android/animation/PropertyValuesHolder.java
index bd7bca0..8928e99 100644
--- a/core/java/android/animation/PropertyValuesHolder.java
+++ b/core/java/android/animation/PropertyValuesHolder.java
@@ -25,10 +25,8 @@
 
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
-import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
-import java.util.concurrent.locks.ReentrantReadWriteLock;
 
 /**
  * This class holds information about a property and the values that that property
diff --git a/core/java/android/animation/ValueAnimator.java b/core/java/android/animation/ValueAnimator.java
index 292bb1d..118af64 100644
--- a/core/java/android/animation/ValueAnimator.java
+++ b/core/java/android/animation/ValueAnimator.java
@@ -16,8 +16,6 @@
 
 package android.animation;
 
-import android.content.res.ConfigurationBoundResourceCache;
-import android.os.Debug;
 import android.os.Looper;
 import android.os.Trace;
 import android.util.AndroidRuntimeException;
diff --git a/core/java/android/app/ActionBar.java b/core/java/android/app/ActionBar.java
index 4cdd397..94e3b66 100644
--- a/core/java/android/app/ActionBar.java
+++ b/core/java/android/app/ActionBar.java
@@ -33,14 +33,10 @@
 import android.view.View;
 import android.view.ViewDebug;
 import android.view.ViewGroup;
-import android.view.ViewGroup.MarginLayoutParams;
 import android.view.Window;
 import android.widget.SpinnerAdapter;
-import android.widget.Toolbar;
-
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
-import java.util.Map;
 
 /**
  * A primary toolbar within the activity that may display the activity title, application-level
diff --git a/core/java/android/app/Activity.java b/core/java/android/app/Activity.java
index f0d98f8..a36d34a 100644
--- a/core/java/android/app/Activity.java
+++ b/core/java/android/app/Activity.java
@@ -34,8 +34,6 @@
 import com.android.internal.app.WindowDecorActionBar;
 import com.android.internal.app.ToolbarActionBar;
 
-import android.annotation.IntDef;
-import android.annotation.Nullable;
 import android.annotation.SystemApi;
 import android.app.admin.DevicePolicyManager;
 import android.content.ComponentCallbacks2;
diff --git a/core/java/android/app/ActivityTransitionState.java b/core/java/android/app/ActivityTransitionState.java
index a2bfa4e..5c6fe46 100644
--- a/core/java/android/app/ActivityTransitionState.java
+++ b/core/java/android/app/ActivityTransitionState.java
@@ -18,7 +18,6 @@
 import android.os.Bundle;
 import android.os.ResultReceiver;
 import android.transition.Transition;
-import android.util.ArrayMap;
 import android.util.SparseArray;
 import android.view.View;
 import android.view.ViewGroup;
diff --git a/core/java/android/app/AlarmManager.java b/core/java/android/app/AlarmManager.java
index 2c596e5..5dd02ae 100644
--- a/core/java/android/app/AlarmManager.java
+++ b/core/java/android/app/AlarmManager.java
@@ -26,7 +26,6 @@
 import android.os.RemoteException;
 import android.os.UserHandle;
 import android.os.WorkSource;
-import android.os.Parcelable.Creator;
 
 /**
  * This class provides access to the system alarm services.  These allow you
diff --git a/core/java/android/app/AppImportanceMonitor.java b/core/java/android/app/AppImportanceMonitor.java
index c760e1e..e0d0d8d 100644
--- a/core/java/android/app/AppImportanceMonitor.java
+++ b/core/java/android/app/AppImportanceMonitor.java
@@ -22,8 +22,6 @@
 import android.os.Message;
 import android.os.RemoteException;
 import android.util.SparseArray;
-import android.util.SparseIntArray;
-
 import java.util.List;
 
 /**
diff --git a/core/java/android/app/BackStackRecord.java b/core/java/android/app/BackStackRecord.java
index 2784d44..83451aa 100644
--- a/core/java/android/app/BackStackRecord.java
+++ b/core/java/android/app/BackStackRecord.java
@@ -25,7 +25,6 @@
 import android.transition.Transition;
 import android.transition.TransitionManager;
 import android.transition.TransitionSet;
-import android.transition.TransitionUtils;
 import android.util.ArrayMap;
 import android.util.Log;
 import android.util.LogWriter;
diff --git a/core/java/android/app/ResourcesManager.java b/core/java/android/app/ResourcesManager.java
index 75ccb23..8abe223 100644
--- a/core/java/android/app/ResourcesManager.java
+++ b/core/java/android/app/ResourcesManager.java
@@ -30,8 +30,6 @@
 import android.util.Pair;
 import android.util.Slog;
 import android.view.Display;
-import android.view.DisplayAdjustments;
-
 import java.lang.ref.WeakReference;
 import java.util.Locale;
 
diff --git a/core/java/android/app/admin/DevicePolicyManager.java b/core/java/android/app/admin/DevicePolicyManager.java
index 337bac5..6d5b4e0 100644
--- a/core/java/android/app/admin/DevicePolicyManager.java
+++ b/core/java/android/app/admin/DevicePolicyManager.java
@@ -41,7 +41,6 @@
 import android.provider.Settings;
 import android.security.Credentials;
 import android.service.restrictions.RestrictionsReceiver;
-import android.service.trust.TrustAgentService;
 import android.util.Log;
 
 import com.android.org.conscrypt.TrustedCertificateStore;
diff --git a/core/java/android/app/backup/BackupDataOutput.java b/core/java/android/app/backup/BackupDataOutput.java
index 048a4bb..1fe63e7 100644
--- a/core/java/android/app/backup/BackupDataOutput.java
+++ b/core/java/android/app/backup/BackupDataOutput.java
@@ -18,8 +18,6 @@
 
 import android.annotation.SystemApi;
 import android.os.ParcelFileDescriptor;
-import android.os.Process;
-
 import java.io.FileDescriptor;
 import java.io.IOException;
 
diff --git a/core/java/android/app/job/JobParameters.java b/core/java/android/app/job/JobParameters.java
index 62734f2..7ee39f5 100644
--- a/core/java/android/app/job/JobParameters.java
+++ b/core/java/android/app/job/JobParameters.java
@@ -17,7 +17,6 @@
 package android.app.job;
 
 import android.app.job.IJobCallback;
-import android.app.job.IJobCallback.Stub;
 import android.os.IBinder;
 import android.os.Parcel;
 import android.os.Parcelable;
diff --git a/core/java/android/app/job/JobScheduler.java b/core/java/android/app/job/JobScheduler.java
index 89efeb2..a1c11f3 100644
--- a/core/java/android/app/job/JobScheduler.java
+++ b/core/java/android/app/job/JobScheduler.java
@@ -18,8 +18,6 @@
 
 import java.util.List;
 
-import android.content.Context;
-
 /**
  * This is an API for scheduling various types of jobs against the framework that will be executed
  * in your application's own process.
diff --git a/core/java/android/appwidget/AppWidgetHostView.java b/core/java/android/appwidget/AppWidgetHostView.java
index 022e225..3219fe7 100644
--- a/core/java/android/appwidget/AppWidgetHostView.java
+++ b/core/java/android/appwidget/AppWidgetHostView.java
@@ -31,9 +31,7 @@
 import android.os.Bundle;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.os.Process;
 import android.os.SystemClock;
-import android.os.UserHandle;
 import android.util.AttributeSet;
 import android.util.Log;
 import android.util.SparseArray;
diff --git a/core/java/android/bluetooth/BluetoothAdapter.java b/core/java/android/bluetooth/BluetoothAdapter.java
index b8f4bf8..be26eac 100644
--- a/core/java/android/bluetooth/BluetoothAdapter.java
+++ b/core/java/android/bluetooth/BluetoothAdapter.java
@@ -26,9 +26,7 @@
 import android.bluetooth.le.ScanResult;
 import android.bluetooth.le.ScanSettings;
 import android.content.Context;
-import android.os.Handler;
 import android.os.IBinder;
-import android.os.Looper;
 import android.os.ParcelUuid;
 import android.os.RemoteException;
 import android.os.ServiceManager;
@@ -36,7 +34,6 @@
 import android.util.Pair;
 
 import java.io.IOException;
-import java.lang.ref.WeakReference;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
diff --git a/core/java/android/bluetooth/le/TruncatedFilter.java b/core/java/android/bluetooth/le/TruncatedFilter.java
index 6a6b3e3..685b174 100644
--- a/core/java/android/bluetooth/le/TruncatedFilter.java
+++ b/core/java/android/bluetooth/le/TruncatedFilter.java
@@ -17,9 +17,6 @@
 package android.bluetooth.le;
 
 import android.annotation.SystemApi;
-import android.os.Parcel;
-import android.os.Parcelable;
-
 import java.util.List;
 
 /**
diff --git a/core/java/android/content/ContentProviderResult.java b/core/java/android/content/ContentProviderResult.java
index ec3d002..4196f27 100644
--- a/core/java/android/content/ContentProviderResult.java
+++ b/core/java/android/content/ContentProviderResult.java
@@ -18,7 +18,6 @@
 
 import android.content.ContentProvider;
 import android.net.Uri;
-import android.os.UserHandle;
 import android.os.Parcelable;
 import android.os.Parcel;
 
diff --git a/core/java/android/content/pm/LauncherApps.java b/core/java/android/content/pm/LauncherApps.java
index c164340..c81517a 100644
--- a/core/java/android/content/pm/LauncherApps.java
+++ b/core/java/android/content/pm/LauncherApps.java
@@ -16,7 +16,6 @@
 
 package android.content.pm;
 
-import android.app.AppGlobals;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
diff --git a/core/java/android/content/res/Resources.java b/core/java/android/content/res/Resources.java
index 3e922f2..584f3f6 100644
--- a/core/java/android/content/res/Resources.java
+++ b/core/java/android/content/res/Resources.java
@@ -47,7 +47,6 @@
 import android.graphics.drawable.Drawable.ConstantState;
 import android.os.Build;
 import android.os.Bundle;
-import android.os.IBinder;
 import android.os.Trace;
 import android.util.ArrayMap;
 import android.util.AttributeSet;
diff --git a/core/java/android/content/res/TypedArray.java b/core/java/android/content/res/TypedArray.java
index 3d43304..3e07f0c 100644
--- a/core/java/android/content/res/TypedArray.java
+++ b/core/java/android/content/res/TypedArray.java
@@ -22,7 +22,6 @@
 import android.os.StrictMode;
 import android.util.AttributeSet;
 import android.util.DisplayMetrics;
-import android.util.Log;
 import android.util.TypedValue;
 
 import com.android.internal.util.XmlUtils;
diff --git a/core/java/android/hardware/Camera.java b/core/java/android/hardware/Camera.java
index 310ab76..49f6513 100644
--- a/core/java/android/hardware/Camera.java
+++ b/core/java/android/hardware/Camera.java
@@ -44,7 +44,6 @@
 import java.io.IOException;
 import java.lang.ref.WeakReference;
 import java.util.ArrayList;
-import java.util.HashMap;
 import java.util.LinkedHashMap;
 import java.util.List;
 
diff --git a/core/java/android/hardware/camera2/CameraDevice.java b/core/java/android/hardware/camera2/CameraDevice.java
index bec9489..0ef0a29 100644
--- a/core/java/android/hardware/camera2/CameraDevice.java
+++ b/core/java/android/hardware/camera2/CameraDevice.java
@@ -17,7 +17,6 @@
 package android.hardware.camera2;
 
 import android.hardware.camera2.params.StreamConfigurationMap;
-import android.graphics.ImageFormat;
 import android.os.Handler;
 import android.view.Surface;
 
diff --git a/core/java/android/hardware/camera2/impl/CameraCaptureSessionImpl.java b/core/java/android/hardware/camera2/impl/CameraCaptureSessionImpl.java
index 5bc7f71..e87a2f8 100644
--- a/core/java/android/hardware/camera2/impl/CameraCaptureSessionImpl.java
+++ b/core/java/android/hardware/camera2/impl/CameraCaptureSessionImpl.java
@@ -21,11 +21,9 @@
 import android.hardware.camera2.CaptureRequest;
 import android.hardware.camera2.dispatch.ArgumentReplacingDispatcher;
 import android.hardware.camera2.dispatch.BroadcastDispatcher;
-import android.hardware.camera2.dispatch.Dispatchable;
 import android.hardware.camera2.dispatch.DuckTypingDispatcher;
 import android.hardware.camera2.dispatch.HandlerDispatcher;
 import android.hardware.camera2.dispatch.InvokeDispatcher;
-import android.hardware.camera2.dispatch.NullDispatcher;
 import android.hardware.camera2.utils.TaskDrainer;
 import android.hardware.camera2.utils.TaskSingleDrainer;
 import android.os.Handler;
diff --git a/core/java/android/hardware/camera2/legacy/BurstHolder.java b/core/java/android/hardware/camera2/legacy/BurstHolder.java
index b9c89f8..e7b3682 100644
--- a/core/java/android/hardware/camera2/legacy/BurstHolder.java
+++ b/core/java/android/hardware/camera2/legacy/BurstHolder.java
@@ -17,10 +17,6 @@
 package android.hardware.camera2.legacy;
 
 import android.hardware.camera2.CaptureRequest;
-import android.hardware.camera2.impl.CameraMetadataNative;
-import android.util.Log;
-import android.view.Surface;
-
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;
diff --git a/core/java/android/hardware/camera2/legacy/LegacyFaceDetectMapper.java b/core/java/android/hardware/camera2/legacy/LegacyFaceDetectMapper.java
index 6215a8f..e576beb 100644
--- a/core/java/android/hardware/camera2/legacy/LegacyFaceDetectMapper.java
+++ b/core/java/android/hardware/camera2/legacy/LegacyFaceDetectMapper.java
@@ -33,7 +33,6 @@
 import com.android.internal.util.ArrayUtils;
 
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.List;
 
 import static android.hardware.camera2.CaptureRequest.*;
diff --git a/core/java/android/hardware/camera2/legacy/LegacyMetadataMapper.java b/core/java/android/hardware/camera2/legacy/LegacyMetadataMapper.java
index 802b938..8776418 100644
--- a/core/java/android/hardware/camera2/legacy/LegacyMetadataMapper.java
+++ b/core/java/android/hardware/camera2/legacy/LegacyMetadataMapper.java
@@ -42,7 +42,6 @@
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
-import java.util.Comparator;
 import java.util.List;
 
 import static com.android.internal.util.Preconditions.*;
diff --git a/core/java/android/hardware/camera2/legacy/LegacyRequestMapper.java b/core/java/android/hardware/camera2/legacy/LegacyRequestMapper.java
index 61f7b8b..3688610 100644
--- a/core/java/android/hardware/camera2/legacy/LegacyRequestMapper.java
+++ b/core/java/android/hardware/camera2/legacy/LegacyRequestMapper.java
@@ -34,7 +34,6 @@
 import java.util.List;
 import java.util.Objects;
 
-import static com.android.internal.util.Preconditions.*;
 import static android.hardware.camera2.CaptureRequest.*;
 
 /**
diff --git a/core/java/android/hardware/camera2/legacy/ParameterUtils.java b/core/java/android/hardware/camera2/legacy/ParameterUtils.java
index 3b10eb5..9e9a6fe 100644
--- a/core/java/android/hardware/camera2/legacy/ParameterUtils.java
+++ b/core/java/android/hardware/camera2/legacy/ParameterUtils.java
@@ -22,8 +22,6 @@
 import android.graphics.RectF;
 import android.hardware.Camera;
 import android.hardware.Camera.Area;
-import android.hardware.camera2.legacy.ParameterUtils.MeteringData;
-import android.hardware.camera2.legacy.ParameterUtils.ZoomData;
 import android.hardware.camera2.params.Face;
 import android.hardware.camera2.params.MeteringRectangle;
 import android.hardware.camera2.utils.ListUtils;
diff --git a/core/java/android/hardware/camera2/legacy/PerfMeasurement.java b/core/java/android/hardware/camera2/legacy/PerfMeasurement.java
index b930ec2..53278c7 100644
--- a/core/java/android/hardware/camera2/legacy/PerfMeasurement.java
+++ b/core/java/android/hardware/camera2/legacy/PerfMeasurement.java
@@ -20,7 +20,6 @@
 import android.util.Log;
 
 import java.io.BufferedWriter;
-import java.io.File;
 import java.io.FileWriter;
 import java.io.IOException;
 import java.util.ArrayList;
diff --git a/core/java/android/hardware/camera2/legacy/RequestHolder.java b/core/java/android/hardware/camera2/legacy/RequestHolder.java
index edd8e4e..9b628fb 100644
--- a/core/java/android/hardware/camera2/legacy/RequestHolder.java
+++ b/core/java/android/hardware/camera2/legacy/RequestHolder.java
@@ -17,7 +17,6 @@
 package android.hardware.camera2.legacy;
 
 import android.hardware.camera2.CaptureRequest;
-import android.hardware.camera2.impl.CameraMetadataNative;
 import android.util.Log;
 import android.view.Surface;
 
diff --git a/core/java/android/hardware/camera2/legacy/RequestThreadManager.java b/core/java/android/hardware/camera2/legacy/RequestThreadManager.java
index cf3510d..ff74c59 100644
--- a/core/java/android/hardware/camera2/legacy/RequestThreadManager.java
+++ b/core/java/android/hardware/camera2/legacy/RequestThreadManager.java
@@ -16,13 +16,11 @@
 
 package android.hardware.camera2.legacy;
 
-import android.graphics.ImageFormat;
 import android.graphics.SurfaceTexture;
 import android.hardware.Camera;
 import android.hardware.camera2.CameraCharacteristics;
 import android.hardware.camera2.CaptureRequest;
 import android.hardware.camera2.impl.CameraDeviceImpl;
-import android.hardware.camera2.params.StreamConfigurationMap;
 import android.hardware.camera2.utils.LongParcelable;
 import android.hardware.camera2.utils.SizeAreaComparator;
 import android.hardware.camera2.impl.CameraMetadataNative;
@@ -38,7 +36,6 @@
 
 import java.io.IOException;
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Iterator;
diff --git a/core/java/android/hardware/camera2/marshal/impl/MarshalQueryableArray.java b/core/java/android/hardware/camera2/marshal/impl/MarshalQueryableArray.java
index 22b87ef..d89518b 100644
--- a/core/java/android/hardware/camera2/marshal/impl/MarshalQueryableArray.java
+++ b/core/java/android/hardware/camera2/marshal/impl/MarshalQueryableArray.java
@@ -25,9 +25,6 @@
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
 
-import static android.hardware.camera2.impl.CameraMetadataNative.*;
-import static android.hardware.camera2.marshal.MarshalHelpers.*;
-
 /**
  * Marshal any array {@code T}.
  *
diff --git a/core/java/android/hardware/camera2/marshal/impl/MarshalQueryableParcelable.java b/core/java/android/hardware/camera2/marshal/impl/MarshalQueryableParcelable.java
index 1fd6a1d..0b7a4bf 100644
--- a/core/java/android/hardware/camera2/marshal/impl/MarshalQueryableParcelable.java
+++ b/core/java/android/hardware/camera2/marshal/impl/MarshalQueryableParcelable.java
@@ -25,9 +25,6 @@
 import java.lang.reflect.Field;
 import java.nio.ByteBuffer;
 
-import static android.hardware.camera2.impl.CameraMetadataNative.*;
-import static android.hardware.camera2.marshal.MarshalHelpers.*;
-
 /**
  * Marshal any {@code T extends Parcelable} to/from any native type
  *
diff --git a/core/java/android/hardware/camera2/marshal/impl/MarshalQueryablePrimitive.java b/core/java/android/hardware/camera2/marshal/impl/MarshalQueryablePrimitive.java
index 189b597..090dd48 100644
--- a/core/java/android/hardware/camera2/marshal/impl/MarshalQueryablePrimitive.java
+++ b/core/java/android/hardware/camera2/marshal/impl/MarshalQueryablePrimitive.java
@@ -23,8 +23,6 @@
 
 import static android.hardware.camera2.impl.CameraMetadataNative.*;
 import static android.hardware.camera2.marshal.MarshalHelpers.*;
-import static com.android.internal.util.Preconditions.*;
-
 import java.nio.ByteBuffer;
 
 /**
diff --git a/core/java/android/hardware/camera2/marshal/impl/MarshalQueryableRange.java b/core/java/android/hardware/camera2/marshal/impl/MarshalQueryableRange.java
index 8512804..64763e7 100644
--- a/core/java/android/hardware/camera2/marshal/impl/MarshalQueryableRange.java
+++ b/core/java/android/hardware/camera2/marshal/impl/MarshalQueryableRange.java
@@ -27,9 +27,6 @@
 import java.lang.reflect.Type;
 import java.nio.ByteBuffer;
 
-import static android.hardware.camera2.impl.CameraMetadataNative.*;
-import static android.hardware.camera2.marshal.MarshalHelpers.*;
-
 /**
  * Marshal {@link Range} to/from any native type
  */
diff --git a/core/java/android/hardware/camera2/params/LensShadingMap.java b/core/java/android/hardware/camera2/params/LensShadingMap.java
index 13929b1..d6b84f2 100644
--- a/core/java/android/hardware/camera2/params/LensShadingMap.java
+++ b/core/java/android/hardware/camera2/params/LensShadingMap.java
@@ -19,7 +19,6 @@
 import static com.android.internal.util.Preconditions.*;
 import static android.hardware.camera2.params.RggbChannelVector.*;
 
-import android.hardware.camera2.CameraCharacteristics;
 import android.hardware.camera2.CaptureResult;
 import android.hardware.camera2.utils.HashCodeHelpers;
 
diff --git a/core/java/android/hardware/camera2/params/StreamConfigurationMap.java b/core/java/android/hardware/camera2/params/StreamConfigurationMap.java
index 479c842..f5304f8 100644
--- a/core/java/android/hardware/camera2/params/StreamConfigurationMap.java
+++ b/core/java/android/hardware/camera2/params/StreamConfigurationMap.java
@@ -26,7 +26,6 @@
 import android.hardware.camera2.legacy.LegacyMetadataMapper;
 import android.hardware.camera2.legacy.LegacyExceptionUtils.BufferQueueAbandonedException;
 import android.view.Surface;
-import android.util.Log;
 import android.util.Range;
 import android.util.Size;
 
diff --git a/core/java/android/hardware/display/VirtualDisplay.java b/core/java/android/hardware/display/VirtualDisplay.java
index 4ddf10f..d354666 100644
--- a/core/java/android/hardware/display/VirtualDisplay.java
+++ b/core/java/android/hardware/display/VirtualDisplay.java
@@ -15,7 +15,6 @@
  */
 package android.hardware.display;
 
-import android.os.IBinder;
 import android.view.Display;
 import android.view.Surface;
 
diff --git a/core/java/android/hardware/input/InputManager.java b/core/java/android/hardware/input/InputManager.java
index e5995b0..444f020 100644
--- a/core/java/android/hardware/input/InputManager.java
+++ b/core/java/android/hardware/input/InputManager.java
@@ -27,8 +27,6 @@
 import android.os.IBinder;
 import android.os.Looper;
 import android.os.Message;
-import android.os.Parcel;
-import android.os.Parcelable;
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.Vibrator;
diff --git a/core/java/android/hardware/soundtrigger/SoundTriggerModule.java b/core/java/android/hardware/soundtrigger/SoundTriggerModule.java
index 1a8723d..e23a2bb 100644
--- a/core/java/android/hardware/soundtrigger/SoundTriggerModule.java
+++ b/core/java/android/hardware/soundtrigger/SoundTriggerModule.java
@@ -16,13 +16,10 @@
 
 package android.hardware.soundtrigger;
 
-import android.content.Context;
-import android.content.Intent;
 import android.os.Handler;
 import android.os.Looper;
 import android.os.Message;
 import java.lang.ref.WeakReference;
-import java.util.UUID;
 
 /**
  * The SoundTriggerModule provides APIs to control sound models and sound detection
diff --git a/core/java/android/net/ConnectivityManager.java b/core/java/android/net/ConnectivityManager.java
index 808be21..5f49d99 100644
--- a/core/java/android/net/ConnectivityManager.java
+++ b/core/java/android/net/ConnectivityManager.java
@@ -25,7 +25,6 @@
 import android.net.NetworkUtils;
 import android.os.Binder;
 import android.os.Build.VERSION_CODES;
-import android.os.Bundle;
 import android.os.Handler;
 import android.os.HandlerThread;
 import android.os.IBinder;
@@ -38,7 +37,6 @@
 import android.os.ServiceManager;
 import android.provider.Settings;
 import android.telephony.SubscriptionManager;
-import android.telephony.TelephonyManager;
 import android.util.ArrayMap;
 import android.util.Log;
 
diff --git a/core/java/android/net/DhcpResults.java b/core/java/android/net/DhcpResults.java
index 6159e1e..87c063f 100644
--- a/core/java/android/net/DhcpResults.java
+++ b/core/java/android/net/DhcpResults.java
@@ -17,7 +17,6 @@
 package android.net;
 
 import android.net.NetworkUtils;
-import android.os.Parcelable;
 import android.os.Parcel;
 import android.text.TextUtils;
 import android.util.Log;
diff --git a/core/java/android/net/Network.java b/core/java/android/net/Network.java
index dfe2413..ab57c9b 100644
--- a/core/java/android/net/Network.java
+++ b/core/java/android/net/Network.java
@@ -26,7 +26,6 @@
 import java.net.InetAddress;
 import java.net.InetSocketAddress;
 import java.net.MalformedURLException;
-import java.net.ProxySelector;
 import java.net.Socket;
 import java.net.SocketAddress;
 import java.net.SocketException;
diff --git a/core/java/android/net/NetworkAgent.java b/core/java/android/net/NetworkAgent.java
index 74d4ac2..24aaf0d 100644
--- a/core/java/android/net/NetworkAgent.java
+++ b/core/java/android/net/NetworkAgent.java
@@ -21,15 +21,12 @@
 import android.os.Looper;
 import android.os.Message;
 import android.os.Messenger;
-import android.os.Parcel;
-import android.os.Parcelable;
 import android.util.Log;
 
 import com.android.internal.util.AsyncChannel;
 import com.android.internal.util.Protocol;
 
 import java.util.ArrayList;
-import java.util.concurrent.atomic.AtomicBoolean;
 
 /**
  * A Utility class for handling for communicating between bearer-specific
diff --git a/core/java/android/net/NetworkFactory.java b/core/java/android/net/NetworkFactory.java
index 64d0fcf..e47220b 100644
--- a/core/java/android/net/NetworkFactory.java
+++ b/core/java/android/net/NetworkFactory.java
@@ -21,12 +21,9 @@
 import android.os.Looper;
 import android.os.Message;
 import android.os.Messenger;
-import android.os.Parcel;
-import android.os.Parcelable;
 import android.util.Log;
 import android.util.SparseArray;
 
-import com.android.internal.util.AsyncChannel;
 import com.android.internal.util.Protocol;
 
 /**
diff --git a/core/java/android/net/NetworkRequest.java b/core/java/android/net/NetworkRequest.java
index 5a09b46..7838b47 100644
--- a/core/java/android/net/NetworkRequest.java
+++ b/core/java/android/net/NetworkRequest.java
@@ -19,8 +19,6 @@
 import android.os.Parcel;
 import android.os.Parcelable;
 
-import java.util.concurrent.atomic.AtomicInteger;
-
 /**
  * Defines a request for a network, made through {@link NetworkRequest.Builder} and used
  * to request a network via {@link ConnectivityManager#requestNetwork} or listen for changes
diff --git a/core/java/android/net/ProxyDataTracker.java b/core/java/android/net/ProxyDataTracker.java
index 7d23125..54b732f 100644
--- a/core/java/android/net/ProxyDataTracker.java
+++ b/core/java/android/net/ProxyDataTracker.java
@@ -17,18 +17,14 @@
 package android.net;
 
 import android.content.BroadcastReceiver;
-import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
-import android.content.ServiceConnection;
 import android.os.Bundle;
 import android.os.Handler;
-import android.os.IBinder;
 import android.os.Message;
 import android.os.Messenger;
 import android.os.RemoteException;
-import android.os.UserHandle;
 import android.util.Log;
 
 import java.net.InetAddress;
diff --git a/core/java/android/net/StaticIpConfiguration.java b/core/java/android/net/StaticIpConfiguration.java
index 37ee961..7f1b179 100644
--- a/core/java/android/net/StaticIpConfiguration.java
+++ b/core/java/android/net/StaticIpConfiguration.java
@@ -21,7 +21,6 @@
 import android.os.Parcel;
 
 import java.net.InetAddress;
-import java.net.UnknownHostException;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Objects;
diff --git a/core/java/android/net/http/X509TrustManagerExtensions.java b/core/java/android/net/http/X509TrustManagerExtensions.java
index bb36c20..eb4ceda 100644
--- a/core/java/android/net/http/X509TrustManagerExtensions.java
+++ b/core/java/android/net/http/X509TrustManagerExtensions.java
@@ -22,8 +22,6 @@
 import java.security.cert.X509Certificate;
 import java.util.List;
 
-import javax.net.ssl.SSLParameters;
-import javax.net.ssl.SSLSocket;
 import javax.net.ssl.X509TrustManager;
 
 /**
diff --git a/core/java/android/os/Bundle.java b/core/java/android/os/Bundle.java
index c5c5372..d922e8d 100644
--- a/core/java/android/os/Bundle.java
+++ b/core/java/android/os/Bundle.java
@@ -24,7 +24,6 @@
 import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Set;
 
 /**
  * A mapping from String values to various Parcelable types.
diff --git a/core/java/android/os/CommonClock.java b/core/java/android/os/CommonClock.java
index f83a90b..2ecf317 100644
--- a/core/java/android/os/CommonClock.java
+++ b/core/java/android/os/CommonClock.java
@@ -23,7 +23,6 @@
 import android.os.Parcel;
 import android.os.RemoteException;
 import android.os.ServiceManager;
-import static android.system.OsConstants.*;
 
 /**
  * Used for accessing the android common time service's common clock and receiving notifications
diff --git a/core/java/android/os/UserHandle.java b/core/java/android/os/UserHandle.java
index 74e064e..6874e77 100644
--- a/core/java/android/os/UserHandle.java
+++ b/core/java/android/os/UserHandle.java
@@ -20,7 +20,6 @@
 import android.util.SparseArray;
 
 import java.io.PrintWriter;
-import java.util.HashMap;
 
 /**
  * Representation of a user on the device.
diff --git a/core/java/android/preference/GenericInflater.java b/core/java/android/preference/GenericInflater.java
index c84dbf1..918933b 100644
--- a/core/java/android/preference/GenericInflater.java
+++ b/core/java/android/preference/GenericInflater.java
@@ -23,7 +23,6 @@
 import org.xmlpull.v1.XmlPullParser;
 import org.xmlpull.v1.XmlPullParserException;
 
-import android.annotation.AnyRes;
 import android.annotation.XmlRes;
 import android.content.Context;
 import android.content.res.XmlResourceParser;
diff --git a/core/java/android/preference/PreferenceGroup.java b/core/java/android/preference/PreferenceGroup.java
index 2d35b1b..5e84086 100644
--- a/core/java/android/preference/PreferenceGroup.java
+++ b/core/java/android/preference/PreferenceGroup.java
@@ -19,12 +19,9 @@
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
-import java.util.Map;
-
 import android.content.Context;
 import android.content.res.TypedArray;
 import android.os.Bundle;
-import android.os.Parcelable;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 
diff --git a/core/java/android/printservice/PrintService.java b/core/java/android/printservice/PrintService.java
index 7ed1649..527c8ae 100644
--- a/core/java/android/printservice/PrintService.java
+++ b/core/java/android/printservice/PrintService.java
@@ -16,7 +16,6 @@
 
 package android.printservice;
 
-import android.R;
 import android.app.Service;
 import android.content.ComponentName;
 import android.content.Context;
diff --git a/core/java/android/provider/Browser.java b/core/java/android/provider/Browser.java
index 3853003..69a05c4 100644
--- a/core/java/android/provider/Browser.java
+++ b/core/java/android/provider/Browser.java
@@ -25,7 +25,6 @@
 import android.database.DatabaseUtils;
 import android.graphics.BitmapFactory;
 import android.net.Uri;
-import android.os.Build;
 import android.provider.BrowserContract.Bookmarks;
 import android.provider.BrowserContract.Combined;
 import android.provider.BrowserContract.History;
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index f084263..c60a906 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -65,7 +65,6 @@
 import java.util.Locale;
 import java.util.Map;
 import java.util.Set;
-import java.util.regex.Pattern;
 
 /**
  * The Settings provider contains global system-level device preferences.
diff --git a/core/java/android/security/keymaster/KeyCharacteristics.java b/core/java/android/security/keymaster/KeyCharacteristics.java
index b803a1b..0f1d422 100644
--- a/core/java/android/security/keymaster/KeyCharacteristics.java
+++ b/core/java/android/security/keymaster/KeyCharacteristics.java
@@ -19,8 +19,6 @@
 import android.os.Parcel;
 import android.os.Parcelable;
 
-import java.util.List;
-
 /**
  * @hide
  */
diff --git a/core/java/android/security/keymaster/KeymasterBlobArgument.java b/core/java/android/security/keymaster/KeymasterBlobArgument.java
index 27f1153..9af4445 100644
--- a/core/java/android/security/keymaster/KeymasterBlobArgument.java
+++ b/core/java/android/security/keymaster/KeymasterBlobArgument.java
@@ -17,7 +17,6 @@
 package android.security.keymaster;
 
 import android.os.Parcel;
-import android.os.Parcelable;
 
 /**
  * @hide
diff --git a/core/java/android/security/keymaster/KeymasterBooleanArgument.java b/core/java/android/security/keymaster/KeymasterBooleanArgument.java
index 8e17db4..5481e8f 100644
--- a/core/java/android/security/keymaster/KeymasterBooleanArgument.java
+++ b/core/java/android/security/keymaster/KeymasterBooleanArgument.java
@@ -17,7 +17,6 @@
 package android.security.keymaster;
 
 import android.os.Parcel;
-import android.os.Parcelable;
 
 /**
  * @hide
diff --git a/core/java/android/security/keymaster/KeymasterDateArgument.java b/core/java/android/security/keymaster/KeymasterDateArgument.java
index e8f4055..310f546 100644
--- a/core/java/android/security/keymaster/KeymasterDateArgument.java
+++ b/core/java/android/security/keymaster/KeymasterDateArgument.java
@@ -17,8 +17,6 @@
 package android.security.keymaster;
 
 import android.os.Parcel;
-import android.os.Parcelable;
-
 import java.util.Date;
 
 /**
diff --git a/core/java/android/security/keymaster/KeymasterIntArgument.java b/core/java/android/security/keymaster/KeymasterIntArgument.java
index 71797ae..c3738d7 100644
--- a/core/java/android/security/keymaster/KeymasterIntArgument.java
+++ b/core/java/android/security/keymaster/KeymasterIntArgument.java
@@ -17,7 +17,6 @@
 package android.security.keymaster;
 
 import android.os.Parcel;
-import android.os.Parcelable;
 
 /**
  * @hide
diff --git a/core/java/android/security/keymaster/KeymasterLongArgument.java b/core/java/android/security/keymaster/KeymasterLongArgument.java
index 781b1ab..3c565b8 100644
--- a/core/java/android/security/keymaster/KeymasterLongArgument.java
+++ b/core/java/android/security/keymaster/KeymasterLongArgument.java
@@ -17,7 +17,6 @@
 package android.security.keymaster;
 
 import android.os.Parcel;
-import android.os.Parcelable;
 
 /**
  * @hide
diff --git a/core/java/android/security/keymaster/OperationResult.java b/core/java/android/security/keymaster/OperationResult.java
index ad54c96..4fc9d24 100644
--- a/core/java/android/security/keymaster/OperationResult.java
+++ b/core/java/android/security/keymaster/OperationResult.java
@@ -20,8 +20,6 @@
 import android.os.Parcel;
 import android.os.Parcelable;
 
-import java.util.List;
-
 /**
  * Class for handling the parceling of return values from keymaster crypto operations
  * (begin/update/finish).
diff --git a/core/java/android/service/carrier/CarrierMessagingService.java b/core/java/android/service/carrier/CarrierMessagingService.java
index 3d6ebca..0592a84 100644
--- a/core/java/android/service/carrier/CarrierMessagingService.java
+++ b/core/java/android/service/carrier/CarrierMessagingService.java
@@ -23,11 +23,8 @@
 import android.content.Intent;
 import android.net.Uri;
 import android.os.IBinder;
-import android.os.Parcel;
-import android.os.Parcelable;
 import android.os.RemoteException;
 
-import java.util.ArrayList;
 import java.util.List;
 
 /**
diff --git a/core/java/android/service/fingerprint/FingerprintManager.java b/core/java/android/service/fingerprint/FingerprintManager.java
index 494c238..731709b 100644
--- a/core/java/android/service/fingerprint/FingerprintManager.java
+++ b/core/java/android/service/fingerprint/FingerprintManager.java
@@ -17,12 +17,8 @@
 package android.service.fingerprint;
 
 import android.app.ActivityManagerNative;
-import android.content.ComponentName;
 import android.content.ContentResolver;
 import android.content.Context;
-import android.content.Intent;
-import android.content.ServiceConnection;
-import android.os.BaseBundle;
 import android.os.Binder;
 import android.os.Handler;
 import android.os.IBinder;
diff --git a/core/java/android/service/restrictions/RestrictionsReceiver.java b/core/java/android/service/restrictions/RestrictionsReceiver.java
index 7c6e1f6..b830cb1 100644
--- a/core/java/android/service/restrictions/RestrictionsReceiver.java
+++ b/core/java/android/service/restrictions/RestrictionsReceiver.java
@@ -21,7 +21,6 @@
 import android.content.Context;
 import android.content.Intent;
 import android.content.RestrictionsManager;
-import android.os.IBinder;
 import android.os.PersistableBundle;
 
 /**
diff --git a/core/java/android/service/trust/TrustAgentService.java b/core/java/android/service/trust/TrustAgentService.java
index 62fa978..706b934 100644
--- a/core/java/android/service/trust/TrustAgentService.java
+++ b/core/java/android/service/trust/TrustAgentService.java
@@ -25,13 +25,10 @@
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.content.pm.ServiceInfo;
-import android.os.Bundle;
 import android.os.Handler;
 import android.os.IBinder;
-import android.os.Message;
 import android.os.PersistableBundle;
 import android.os.RemoteException;
-import android.os.SystemClock;
 import android.util.Log;
 import android.util.Slog;
 
diff --git a/core/java/android/service/wallpaper/WallpaperService.java b/core/java/android/service/wallpaper/WallpaperService.java
index 9496b53..4902a71 100644
--- a/core/java/android/service/wallpaper/WallpaperService.java
+++ b/core/java/android/service/wallpaper/WallpaperService.java
@@ -64,8 +64,6 @@
 import java.io.PrintWriter;
 import java.util.ArrayList;
 
-import static android.view.WindowManager.LayoutParams.FLAG_FULLSCREEN;
-
 /**
  * A wallpaper service is responsible for showing a live wallpaper behind
  * applications that would like to sit on top of it.  This service object
diff --git a/core/java/android/speech/tts/AudioPlaybackQueueItem.java b/core/java/android/speech/tts/AudioPlaybackQueueItem.java
index b4ac429..d4fea53 100644
--- a/core/java/android/speech/tts/AudioPlaybackQueueItem.java
+++ b/core/java/android/speech/tts/AudioPlaybackQueueItem.java
@@ -17,7 +17,6 @@
 
 import android.content.Context;
 import android.media.AudioSystem;
-import android.media.AudioTrack;
 import android.media.MediaPlayer;
 import android.net.Uri;
 import android.os.ConditionVariable;
diff --git a/core/java/android/speech/tts/BlockingAudioTrack.java b/core/java/android/speech/tts/BlockingAudioTrack.java
index dc4e9d3..9920ea1 100644
--- a/core/java/android/speech/tts/BlockingAudioTrack.java
+++ b/core/java/android/speech/tts/BlockingAudioTrack.java
@@ -2,7 +2,6 @@
 
 package android.speech.tts;
 
-import android.media.AudioAttributes;
 import android.media.AudioFormat;
 import android.media.AudioTrack;
 import android.speech.tts.TextToSpeechService.AudioOutputParams;
diff --git a/core/java/android/speech/tts/TextToSpeech.java b/core/java/android/speech/tts/TextToSpeech.java
index f0ad951..668e028 100644
--- a/core/java/android/speech/tts/TextToSpeech.java
+++ b/core/java/android/speech/tts/TextToSpeech.java
@@ -38,7 +38,6 @@
 import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.IOException;
-import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashSet;
diff --git a/core/java/android/speech/tts/TextToSpeechService.java b/core/java/android/speech/tts/TextToSpeechService.java
index 02c9a36..ba98f27 100644
--- a/core/java/android/speech/tts/TextToSpeechService.java
+++ b/core/java/android/speech/tts/TextToSpeechService.java
@@ -39,11 +39,9 @@
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.util.ArrayList;
-import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Locale;
-import java.util.Map;
 import java.util.MissingResourceException;
 import java.util.Set;
 
diff --git a/core/java/android/speech/tts/TtsEngines.java b/core/java/android/speech/tts/TtsEngines.java
index df6c010..412eba3 100644
--- a/core/java/android/speech/tts/TtsEngines.java
+++ b/core/java/android/speech/tts/TtsEngines.java
@@ -17,7 +17,6 @@
 
 import org.xmlpull.v1.XmlPullParserException;
 
-import android.content.ContentResolver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.ApplicationInfo;
diff --git a/core/java/android/text/MeasuredText.java b/core/java/android/text/MeasuredText.java
index 2415b11..e72e18f 100644
--- a/core/java/android/text/MeasuredText.java
+++ b/core/java/android/text/MeasuredText.java
@@ -16,7 +16,6 @@
 
 package android.text;
 
-import android.graphics.Canvas;
 import android.graphics.Paint;
 import android.text.style.MetricAffectingSpan;
 import android.text.style.ReplacementSpan;
diff --git a/core/java/android/text/StaticLayout.java b/core/java/android/text/StaticLayout.java
index 2d4b4dc..ffb7d36 100644
--- a/core/java/android/text/StaticLayout.java
+++ b/core/java/android/text/StaticLayout.java
@@ -16,7 +16,6 @@
 
 package android.text;
 
-import android.graphics.Bitmap;
 import android.graphics.Paint;
 import android.text.style.LeadingMarginSpan;
 import android.text.style.LeadingMarginSpan.LeadingMarginSpan2;
diff --git a/core/java/android/text/format/DateFormat.java b/core/java/android/text/format/DateFormat.java
index c03f7a6..3ed37b36 100755
--- a/core/java/android/text/format/DateFormat.java
+++ b/core/java/android/text/format/DateFormat.java
@@ -23,8 +23,6 @@
 import android.text.Spanned;
 import android.text.SpannedString;
 
-import com.android.internal.R;
-
 import java.util.Calendar;
 import java.util.Date;
 import java.util.GregorianCalendar;
diff --git a/core/java/android/transition/CircularPropagation.java b/core/java/android/transition/CircularPropagation.java
index 1e44cfa..c9faa0f 100644
--- a/core/java/android/transition/CircularPropagation.java
+++ b/core/java/android/transition/CircularPropagation.java
@@ -16,7 +16,6 @@
 package android.transition;
 
 import android.graphics.Rect;
-import android.util.Log;
 import android.view.View;
 import android.view.ViewGroup;
 
diff --git a/core/java/android/transition/SidePropagation.java b/core/java/android/transition/SidePropagation.java
index 5dd1fff..b10f6a0 100644
--- a/core/java/android/transition/SidePropagation.java
+++ b/core/java/android/transition/SidePropagation.java
@@ -16,7 +16,6 @@
 package android.transition;
 
 import android.graphics.Rect;
-import android.util.Log;
 import android.view.Gravity;
 import android.view.View;
 import android.view.ViewGroup;
diff --git a/core/java/android/transition/TransitionPropagation.java b/core/java/android/transition/TransitionPropagation.java
index 9a481c2..b831038 100644
--- a/core/java/android/transition/TransitionPropagation.java
+++ b/core/java/android/transition/TransitionPropagation.java
@@ -15,7 +15,6 @@
  */
 package android.transition;
 
-import android.graphics.Rect;
 import android.view.ViewGroup;
 
 /**
diff --git a/core/java/android/transition/Visibility.java b/core/java/android/transition/Visibility.java
index 26dca43..cd68fd1 100644
--- a/core/java/android/transition/Visibility.java
+++ b/core/java/android/transition/Visibility.java
@@ -22,9 +22,6 @@
 import android.animation.AnimatorListenerAdapter;
 import android.content.Context;
 import android.content.res.TypedArray;
-import android.graphics.Bitmap;
-import android.graphics.Canvas;
-import android.graphics.drawable.BitmapDrawable;
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.ViewGroup;
diff --git a/core/java/android/util/LocalLog.java b/core/java/android/util/LocalLog.java
index e49b8c3..cab5d19 100644
--- a/core/java/android/util/LocalLog.java
+++ b/core/java/android/util/LocalLog.java
@@ -16,8 +16,6 @@
 
 package android.util;
 
-import android.text.format.Time;
-
 import java.io.FileDescriptor;
 import java.io.PrintWriter;
 import java.util.Calendar;
diff --git a/core/java/android/view/FrameStats.java b/core/java/android/view/FrameStats.java
index b3ac1db..3fbe6fe 100644
--- a/core/java/android/view/FrameStats.java
+++ b/core/java/android/view/FrameStats.java
@@ -16,9 +16,6 @@
 
 package android.view;
 
-import android.os.Parcel;
-import android.os.Parcelable;
-
 /**
  * This is the base class for frame statistics.
  */
diff --git a/core/java/android/view/GLES20Canvas.java b/core/java/android/view/GLES20Canvas.java
index 3cb4666..0d36949 100644
--- a/core/java/android/view/GLES20Canvas.java
+++ b/core/java/android/view/GLES20Canvas.java
@@ -17,19 +17,13 @@
 package android.view;
 
 import android.graphics.Bitmap;
-import android.graphics.Canvas;
 import android.graphics.CanvasProperty;
-import android.graphics.Matrix;
 import android.graphics.NinePatch;
 import android.graphics.Paint;
 import android.graphics.Path;
 import android.graphics.Picture;
 import android.graphics.Rect;
 import android.graphics.RectF;
-import android.text.GraphicsOperations;
-import android.text.SpannableString;
-import android.text.SpannedString;
-import android.text.TextUtils;
 
 /**
  * An implementation of Canvas on top of OpenGL ES 2.0.
diff --git a/core/java/android/view/GLES20RecordingCanvas.java b/core/java/android/view/GLES20RecordingCanvas.java
index 5ca5626..6c780c9 100644
--- a/core/java/android/view/GLES20RecordingCanvas.java
+++ b/core/java/android/view/GLES20RecordingCanvas.java
@@ -17,7 +17,6 @@
 package android.view;
 
 import android.annotation.NonNull;
-import android.annotation.Nullable;
 import android.util.Pools.SynchronizedPool;
 
 /**
diff --git a/core/java/android/view/HardwareRenderer.java b/core/java/android/view/HardwareRenderer.java
index aa61885..9921be2 100644
--- a/core/java/android/view/HardwareRenderer.java
+++ b/core/java/android/view/HardwareRenderer.java
@@ -19,7 +19,6 @@
 import android.content.Context;
 import android.graphics.Bitmap;
 import android.graphics.Rect;
-import android.util.DisplayMetrics;
 import android.view.Surface.OutOfResourcesException;
 
 import java.io.File;
diff --git a/core/java/android/view/KeyEvent.java b/core/java/android/view/KeyEvent.java
index 243a0fc..779560c 100644
--- a/core/java/android/view/KeyEvent.java
+++ b/core/java/android/view/KeyEvent.java
@@ -20,7 +20,6 @@
 import android.os.Parcelable;
 import android.text.method.MetaKeyKeyListener;
 import android.util.Log;
-import android.util.SparseArray;
 import android.util.SparseIntArray;
 import android.view.KeyCharacterMap;
 import android.view.KeyCharacterMap.KeyData;
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index 6d3c07a..f25b640 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -37,8 +37,6 @@
 import android.graphics.Matrix;
 import android.graphics.Outline;
 import android.graphics.Paint;
-import android.graphics.Path;
-import android.graphics.PathMeasure;
 import android.graphics.PixelFormat;
 import android.graphics.Point;
 import android.graphics.PorterDuff;
diff --git a/core/java/android/view/ViewGroup.java b/core/java/android/view/ViewGroup.java
index a49d8c3..dfe9f0e 100644
--- a/core/java/android/view/ViewGroup.java
+++ b/core/java/android/view/ViewGroup.java
@@ -53,11 +53,8 @@
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashSet;
-import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
-import java.util.NoSuchElementException;
-
 import static android.os.Build.VERSION_CODES.JELLY_BEAN_MR1;
 
 /**
diff --git a/core/java/android/view/ViewPropertyAnimator.java b/core/java/android/view/ViewPropertyAnimator.java
index b73b9fa..f18b7ac 100644
--- a/core/java/android/view/ViewPropertyAnimator.java
+++ b/core/java/android/view/ViewPropertyAnimator.java
@@ -19,8 +19,6 @@
 import android.animation.Animator;
 import android.animation.ValueAnimator;
 import android.animation.TimeInterpolator;
-import android.os.Build;
-
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Set;
diff --git a/core/java/android/view/ViewRootImpl.java b/core/java/android/view/ViewRootImpl.java
index a5fa5ed..14b867e 100644
--- a/core/java/android/view/ViewRootImpl.java
+++ b/core/java/android/view/ViewRootImpl.java
@@ -47,7 +47,6 @@
 import android.os.Looper;
 import android.os.Message;
 import android.os.ParcelFileDescriptor;
-import android.os.PowerManager;
 import android.os.Process;
 import android.os.RemoteException;
 import android.os.SystemClock;
diff --git a/core/java/android/view/accessibility/AccessibilityInteractionClient.java b/core/java/android/view/accessibility/AccessibilityInteractionClient.java
index cefd34d..db78ec5 100644
--- a/core/java/android/view/accessibility/AccessibilityInteractionClient.java
+++ b/core/java/android/view/accessibility/AccessibilityInteractionClient.java
@@ -17,7 +17,6 @@
 package android.view.accessibility;
 
 import android.accessibilityservice.IAccessibilityServiceConnection;
-import android.graphics.Point;
 import android.os.Binder;
 import android.os.Build;
 import android.os.Bundle;
diff --git a/core/java/android/view/inputmethod/InputMethodManager.java b/core/java/android/view/inputmethod/InputMethodManager.java
index 325ffdd..0996810 100644
--- a/core/java/android/view/inputmethod/InputMethodManager.java
+++ b/core/java/android/view/inputmethod/InputMethodManager.java
@@ -27,7 +27,6 @@
 import android.content.Context;
 import android.graphics.Matrix;
 import android.graphics.Rect;
-import android.graphics.RectF;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.IBinder;
diff --git a/core/java/android/view/inputmethod/InputMethodSubtypeArray.java b/core/java/android/view/inputmethod/InputMethodSubtypeArray.java
index 3ff099a..6a748ce 100644
--- a/core/java/android/view/inputmethod/InputMethodSubtypeArray.java
+++ b/core/java/android/view/inputmethod/InputMethodSubtypeArray.java
@@ -17,15 +17,10 @@
 package android.view.inputmethod;
 
 import android.os.Parcel;
-import android.os.Parcelable;
-import android.util.AndroidRuntimeException;
 import android.util.Slog;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
 import java.util.List;
 import java.util.zip.GZIPInputStream;
 import java.util.zip.GZIPOutputStream;
diff --git a/core/java/android/webkit/CookieSyncManager.java b/core/java/android/webkit/CookieSyncManager.java
index d9546ca..eda8d36 100644
--- a/core/java/android/webkit/CookieSyncManager.java
+++ b/core/java/android/webkit/CookieSyncManager.java
@@ -17,7 +17,6 @@
 package android.webkit;
 
 import android.content.Context;
-import android.util.Log;
 
 
 /**
diff --git a/core/java/android/webkit/WebBackForwardList.java b/core/java/android/webkit/WebBackForwardList.java
index e671376..6f763dc 100644
--- a/core/java/android/webkit/WebBackForwardList.java
+++ b/core/java/android/webkit/WebBackForwardList.java
@@ -16,7 +16,6 @@
 
 package android.webkit;
 
-import android.annotation.SystemApi;
 import java.io.Serializable;
 
 /**
diff --git a/core/java/android/webkit/WebResourceRequest.java b/core/java/android/webkit/WebResourceRequest.java
index 07402b3..0760d2b 100644
--- a/core/java/android/webkit/WebResourceRequest.java
+++ b/core/java/android/webkit/WebResourceRequest.java
@@ -18,7 +18,6 @@
 
 import android.net.Uri;
 
-import java.io.InputStream;
 import java.util.Map;
 
 /**
diff --git a/core/java/android/webkit/WebSyncManager.java b/core/java/android/webkit/WebSyncManager.java
index 402394f..801be12 100644
--- a/core/java/android/webkit/WebSyncManager.java
+++ b/core/java/android/webkit/WebSyncManager.java
@@ -17,11 +17,6 @@
 package android.webkit;
 
 import android.content.Context;
-import android.os.Handler;
-import android.os.Looper;
-import android.os.Message;
-import android.os.Process;
-import android.util.Log;
 
 /*
  * @deprecated The WebSyncManager no longer does anything.
diff --git a/core/java/android/webkit/WebViewClient.java b/core/java/android/webkit/WebViewClient.java
index 1cc899d..01f9b37 100644
--- a/core/java/android/webkit/WebViewClient.java
+++ b/core/java/android/webkit/WebViewClient.java
@@ -23,8 +23,6 @@
 import android.view.KeyEvent;
 import android.view.ViewRootImpl;
 
-import java.security.Principal;
-
 public class WebViewClient {
 
     /**
diff --git a/core/java/android/webkit/WebViewDatabase.java b/core/java/android/webkit/WebViewDatabase.java
index bfea481..cdff416 100644
--- a/core/java/android/webkit/WebViewDatabase.java
+++ b/core/java/android/webkit/WebViewDatabase.java
@@ -16,7 +16,6 @@
 
 package android.webkit;
 
-import android.annotation.SystemApi;
 import android.content.Context;
 
 /**
diff --git a/core/java/android/webkit/WebViewProvider.java b/core/java/android/webkit/WebViewProvider.java
index 2aee57b..379a732 100644
--- a/core/java/android/webkit/WebViewProvider.java
+++ b/core/java/android/webkit/WebViewProvider.java
@@ -24,7 +24,6 @@
 import android.graphics.Picture;
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
-import android.net.Uri;
 import android.net.http.SslCertificate;
 import android.os.Bundle;
 import android.os.Message;
diff --git a/core/java/android/widget/AbsListView.java b/core/java/android/widget/AbsListView.java
index 164283d..a6e2952 100644
--- a/core/java/android/widget/AbsListView.java
+++ b/core/java/android/widget/AbsListView.java
@@ -21,7 +21,6 @@
 import android.content.Intent;
 import android.content.res.TypedArray;
 import android.graphics.Canvas;
-import android.graphics.PointF;
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
 import android.graphics.drawable.TransitionDrawable;
diff --git a/core/java/android/widget/AbsSeekBar.java b/core/java/android/widget/AbsSeekBar.java
index 1892184..d6f9f78 100644
--- a/core/java/android/widget/AbsSeekBar.java
+++ b/core/java/android/widget/AbsSeekBar.java
@@ -31,7 +31,6 @@
 import android.view.KeyEvent;
 import android.view.MotionEvent;
 import android.view.ViewConfiguration;
-import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityNodeInfo;
 
 import com.android.internal.R;
diff --git a/core/java/android/widget/AbsSpinner.java b/core/java/android/widget/AbsSpinner.java
index e432747..1cb7f2a 100644
--- a/core/java/android/widget/AbsSpinner.java
+++ b/core/java/android/widget/AbsSpinner.java
@@ -28,8 +28,6 @@
 import android.util.SparseArray;
 import android.view.View;
 import android.view.ViewGroup;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 
 /**
  * An abstract base class for spinner widgets. SDK users will probably not
diff --git a/core/java/android/widget/AdapterViewAnimator.java b/core/java/android/widget/AdapterViewAnimator.java
index a242175..932b354 100644
--- a/core/java/android/widget/AdapterViewAnimator.java
+++ b/core/java/android/widget/AdapterViewAnimator.java
@@ -29,8 +29,6 @@
 import android.view.View;
 import android.view.ViewConfiguration;
 import android.view.ViewGroup;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 import android.widget.RemoteViews.OnClickHandler;
 
 import java.util.ArrayList;
diff --git a/core/java/android/widget/AdapterViewFlipper.java b/core/java/android/widget/AdapterViewFlipper.java
index 01b6530e..a105b40 100644
--- a/core/java/android/widget/AdapterViewFlipper.java
+++ b/core/java/android/widget/AdapterViewFlipper.java
@@ -26,8 +26,6 @@
 import android.util.AttributeSet;
 import android.util.Log;
 import android.view.RemotableViewMethod;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 import android.widget.RemoteViews.RemoteView;
 
 /**
diff --git a/core/java/android/widget/Button.java b/core/java/android/widget/Button.java
index 9b0d0dd..154cc33 100644
--- a/core/java/android/widget/Button.java
+++ b/core/java/android/widget/Button.java
@@ -18,8 +18,6 @@
 
 import android.content.Context;
 import android.util.AttributeSet;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 import android.widget.RemoteViews.RemoteView;
 
 
diff --git a/core/java/android/widget/CalendarView.java b/core/java/android/widget/CalendarView.java
index 47fb8a7..fd1c4b8 100644
--- a/core/java/android/widget/CalendarView.java
+++ b/core/java/android/widget/CalendarView.java
@@ -24,9 +24,6 @@
 import android.graphics.drawable.Drawable;
 import android.util.AttributeSet;
 import android.util.Log;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
-
 import com.android.internal.R;
 
 import java.text.DateFormat;
diff --git a/core/java/android/widget/CheckBox.java b/core/java/android/widget/CheckBox.java
index 5a7d585..15bbdd2 100644
--- a/core/java/android/widget/CheckBox.java
+++ b/core/java/android/widget/CheckBox.java
@@ -18,8 +18,6 @@
 
 import android.content.Context;
 import android.util.AttributeSet;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 
 
 /**
diff --git a/core/java/android/widget/Chronometer.java b/core/java/android/widget/Chronometer.java
index 019d475..a15080e 100644
--- a/core/java/android/widget/Chronometer.java
+++ b/core/java/android/widget/Chronometer.java
@@ -24,8 +24,6 @@
 import android.text.format.DateUtils;
 import android.util.AttributeSet;
 import android.util.Log;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 import android.widget.RemoteViews.RemoteView;
 
 import java.util.Formatter;
diff --git a/core/java/android/widget/CompoundButton.java b/core/java/android/widget/CompoundButton.java
index dbf82b6..f2afeeb 100644
--- a/core/java/android/widget/CompoundButton.java
+++ b/core/java/android/widget/CompoundButton.java
@@ -21,7 +21,6 @@
 import android.graphics.PorterDuff;
 import com.android.internal.R;
 
-import android.annotation.DrawableRes;
 import android.content.Context;
 import android.content.res.ColorStateList;
 import android.content.res.TypedArray;
diff --git a/core/java/android/widget/CursorAdapter.java b/core/java/android/widget/CursorAdapter.java
index 8e318fd..30c74c0 100644
--- a/core/java/android/widget/CursorAdapter.java
+++ b/core/java/android/widget/CursorAdapter.java
@@ -24,7 +24,6 @@
 import android.os.Handler;
 import android.util.Log;
 import android.view.ContextThemeWrapper;
-import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 
diff --git a/core/java/android/widget/DatePicker.java b/core/java/android/widget/DatePicker.java
index 7c6055a..45998f7 100644
--- a/core/java/android/widget/DatePicker.java
+++ b/core/java/android/widget/DatePicker.java
@@ -33,7 +33,6 @@
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 import android.view.inputmethod.EditorInfo;
 import android.view.inputmethod.InputMethodManager;
 import android.widget.NumberPicker.OnValueChangeListener;
diff --git a/core/java/android/widget/DatePickerCalendarDelegate.java b/core/java/android/widget/DatePickerCalendarDelegate.java
index 3568522..0e3ec7f 100755
--- a/core/java/android/widget/DatePickerCalendarDelegate.java
+++ b/core/java/android/widget/DatePickerCalendarDelegate.java
@@ -30,7 +30,6 @@
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 import android.view.animation.AlphaAnimation;
 import android.view.animation.Animation;
 
diff --git a/core/java/android/widget/DateTimeView.java b/core/java/android/widget/DateTimeView.java
index db17df7..0b5824a 100644
--- a/core/java/android/widget/DateTimeView.java
+++ b/core/java/android/widget/DateTimeView.java
@@ -21,17 +21,14 @@
 import android.content.IntentFilter;
 import android.content.BroadcastReceiver;
 import android.database.ContentObserver;
-import android.net.Uri;
 import android.os.Handler;
 import android.text.format.Time;
 import android.util.AttributeSet;
 import android.util.Log;
-import android.provider.Settings;
 import android.widget.TextView;
 import android.widget.RemoteViews.RemoteView;
 
 import java.text.DateFormat;
-import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Date;
 
diff --git a/core/java/android/widget/DigitalClock.java b/core/java/android/widget/DigitalClock.java
index b936a5b..9e442f9 100644
--- a/core/java/android/widget/DigitalClock.java
+++ b/core/java/android/widget/DigitalClock.java
@@ -23,9 +23,6 @@
 import android.provider.Settings;
 import android.text.format.DateFormat;
 import android.util.AttributeSet;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
-
 import java.util.Calendar;
 
 /**
diff --git a/core/java/android/widget/EditText.java b/core/java/android/widget/EditText.java
index 24cc2d8..d21a5f7 100644
--- a/core/java/android/widget/EditText.java
+++ b/core/java/android/widget/EditText.java
@@ -25,7 +25,6 @@
 import android.text.method.ArrowKeyMovementMethod;
 import android.text.method.MovementMethod;
 import android.util.AttributeSet;
-import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityNodeInfo;
 
 
diff --git a/core/java/android/widget/Editor.java b/core/java/android/widget/Editor.java
index 7e0dfa0..f8e207f 100644
--- a/core/java/android/widget/Editor.java
+++ b/core/java/android/widget/Editor.java
@@ -23,8 +23,6 @@
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.text.InputFilter;
-import android.text.SpannableString;
-
 import com.android.internal.util.ArrayUtils;
 import com.android.internal.util.GrowingArrayUtils;
 import com.android.internal.view.menu.MenuBuilder;
diff --git a/core/java/android/widget/ExpandableListView.java b/core/java/android/widget/ExpandableListView.java
index 323ddb6..fac36c5 100644
--- a/core/java/android/widget/ExpandableListView.java
+++ b/core/java/android/widget/ExpandableListView.java
@@ -30,8 +30,6 @@
 import android.view.SoundEffectConstants;
 import android.view.View;
 import android.view.ContextMenu.ContextMenuInfo;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 import android.widget.ExpandableListConnector.PositionMetadata;
 
 import java.util.ArrayList;
diff --git a/core/java/android/widget/FrameLayout.java b/core/java/android/widget/FrameLayout.java
index 57bbc42..e8dc11f 100644
--- a/core/java/android/widget/FrameLayout.java
+++ b/core/java/android/widget/FrameLayout.java
@@ -30,12 +30,9 @@
 import android.graphics.drawable.Drawable;
 import android.util.AttributeSet;
 import android.view.Gravity;
-import android.view.RemotableViewMethod;
 import android.view.View;
 import android.view.ViewDebug;
 import android.view.ViewGroup;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 import android.widget.RemoteViews.RemoteView;
 
 import com.android.internal.R;
diff --git a/core/java/android/widget/Gallery.java b/core/java/android/widget/Gallery.java
index ac19e6d..af5a8bf 100644
--- a/core/java/android/widget/Gallery.java
+++ b/core/java/android/widget/Gallery.java
@@ -33,7 +33,6 @@
 import android.view.View;
 import android.view.ViewConfiguration;
 import android.view.ViewGroup;
-import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityNodeInfo;
 import android.view.animation.Transformation;
 
diff --git a/core/java/android/widget/GridLayout.java b/core/java/android/widget/GridLayout.java
index 41ddc98..e8fe191 100644
--- a/core/java/android/widget/GridLayout.java
+++ b/core/java/android/widget/GridLayout.java
@@ -31,8 +31,6 @@
 import android.view.Gravity;
 import android.view.View;
 import android.view.ViewGroup;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 import android.widget.RemoteViews.RemoteView;
 import com.android.internal.R;
 
diff --git a/core/java/android/widget/GridView.java b/core/java/android/widget/GridView.java
index 8b2217c..c6e3dc8 100644
--- a/core/java/android/widget/GridView.java
+++ b/core/java/android/widget/GridView.java
@@ -31,7 +31,6 @@
 import android.view.ViewDebug;
 import android.view.ViewGroup;
 import android.view.ViewRootImpl;
-import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityNodeInfo;
 import android.view.accessibility.AccessibilityNodeProvider;
 import android.view.accessibility.AccessibilityNodeInfo.CollectionInfo;
diff --git a/core/java/android/widget/HorizontalScrollView.java b/core/java/android/widget/HorizontalScrollView.java
index b37495f..324c2aa 100644
--- a/core/java/android/widget/HorizontalScrollView.java
+++ b/core/java/android/widget/HorizontalScrollView.java
@@ -20,7 +20,6 @@
 import android.content.res.TypedArray;
 import android.graphics.Canvas;
 import android.graphics.Rect;
-import android.graphics.RectF;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Parcel;
diff --git a/core/java/android/widget/ImageButton.java b/core/java/android/widget/ImageButton.java
index 22f9c10..332b158 100644
--- a/core/java/android/widget/ImageButton.java
+++ b/core/java/android/widget/ImageButton.java
@@ -18,8 +18,6 @@
 
 import android.content.Context;
 import android.util.AttributeSet;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 import android.widget.RemoteViews.RemoteView;
 
 /**
diff --git a/core/java/android/widget/ImageSwitcher.java b/core/java/android/widget/ImageSwitcher.java
index 81636a7..08f21a2 100644
--- a/core/java/android/widget/ImageSwitcher.java
+++ b/core/java/android/widget/ImageSwitcher.java
@@ -21,8 +21,6 @@
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.util.AttributeSet;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 
 public class ImageSwitcher extends ViewSwitcher
 {
diff --git a/core/java/android/widget/ImageView.java b/core/java/android/widget/ImageView.java
index 9831dca..041796b 100644
--- a/core/java/android/widget/ImageView.java
+++ b/core/java/android/widget/ImageView.java
@@ -44,7 +44,6 @@
 import android.view.View;
 import android.view.ViewDebug;
 import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 import android.widget.RemoteViews.RemoteView;
 
 import com.android.internal.R;
diff --git a/core/java/android/widget/LinearLayout.java b/core/java/android/widget/LinearLayout.java
index c0f63d2..f599035 100644
--- a/core/java/android/widget/LinearLayout.java
+++ b/core/java/android/widget/LinearLayout.java
@@ -28,8 +28,6 @@
 import android.view.View;
 import android.view.ViewDebug;
 import android.view.ViewGroup;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 import android.widget.RemoteViews.RemoteView;
 
 import java.lang.annotation.Retention;
diff --git a/core/java/android/widget/ListView.java b/core/java/android/widget/ListView.java
index f9c7faa..ee2c055 100644
--- a/core/java/android/widget/ListView.java
+++ b/core/java/android/widget/ListView.java
@@ -41,7 +41,6 @@
 import android.view.ViewGroup;
 import android.view.ViewParent;
 import android.view.ViewRootImpl;
-import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityNodeInfo;
 import android.view.accessibility.AccessibilityNodeInfo.CollectionInfo;
 import android.view.accessibility.AccessibilityNodeInfo.CollectionItemInfo;
diff --git a/core/java/android/widget/MediaController.java b/core/java/android/widget/MediaController.java
index 0b63843..2375089 100644
--- a/core/java/android/widget/MediaController.java
+++ b/core/java/android/widget/MediaController.java
@@ -33,8 +33,6 @@
 import android.view.ViewGroup;
 import android.view.Window;
 import android.view.WindowManager;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 import android.widget.SeekBar.OnSeekBarChangeListener;
 
 import java.util.Formatter;
diff --git a/core/java/android/widget/MultiAutoCompleteTextView.java b/core/java/android/widget/MultiAutoCompleteTextView.java
index c10e581..2152e43 100644
--- a/core/java/android/widget/MultiAutoCompleteTextView.java
+++ b/core/java/android/widget/MultiAutoCompleteTextView.java
@@ -23,8 +23,6 @@
 import android.text.TextUtils;
 import android.text.method.QwertyKeyListener;
 import android.util.AttributeSet;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 
 /**
  * An editable text view, extending {@link AutoCompleteTextView}, that
diff --git a/core/java/android/widget/ProgressBar.java b/core/java/android/widget/ProgressBar.java
index 9f98965..50d701a 100644
--- a/core/java/android/widget/ProgressBar.java
+++ b/core/java/android/widget/ProgressBar.java
@@ -28,7 +28,6 @@
 import android.graphics.Bitmap;
 import android.graphics.BitmapShader;
 import android.graphics.Canvas;
-import android.graphics.PorterDuff.Mode;
 import android.graphics.Rect;
 import android.graphics.Shader;
 import android.graphics.drawable.Animatable;
@@ -51,7 +50,6 @@
 import android.view.ViewDebug;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityManager;
-import android.view.accessibility.AccessibilityNodeInfo;
 import android.view.animation.AlphaAnimation;
 import android.view.animation.Animation;
 import android.view.animation.AnimationUtils;
diff --git a/core/java/android/widget/RadioButton.java b/core/java/android/widget/RadioButton.java
index aebc1b6..d44fbd7 100644
--- a/core/java/android/widget/RadioButton.java
+++ b/core/java/android/widget/RadioButton.java
@@ -18,8 +18,6 @@
 
 import android.content.Context;
 import android.util.AttributeSet;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 
 
 /**
diff --git a/core/java/android/widget/RadioGroup.java b/core/java/android/widget/RadioGroup.java
index 6586d11..065feb8 100644
--- a/core/java/android/widget/RadioGroup.java
+++ b/core/java/android/widget/RadioGroup.java
@@ -24,8 +24,6 @@
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.ViewGroup;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 
 
 /**
diff --git a/core/java/android/widget/RatingBar.java b/core/java/android/widget/RatingBar.java
index f18e372..b538334 100644
--- a/core/java/android/widget/RatingBar.java
+++ b/core/java/android/widget/RatingBar.java
@@ -21,9 +21,6 @@
 import android.graphics.drawable.shapes.RectShape;
 import android.graphics.drawable.shapes.Shape;
 import android.util.AttributeSet;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
-
 import com.android.internal.R;
 
 /**
diff --git a/core/java/android/widget/RelativeLayout.java b/core/java/android/widget/RelativeLayout.java
index 6166c02e..a224f5e 100644
--- a/core/java/android/widget/RelativeLayout.java
+++ b/core/java/android/widget/RelativeLayout.java
@@ -37,7 +37,6 @@
 import android.view.ViewDebug;
 import android.view.ViewGroup;
 import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 import android.widget.RemoteViews.RemoteView;
 
 import static android.os.Build.VERSION_CODES.JELLY_BEAN_MR1;
diff --git a/core/java/android/widget/RemoteViewsAdapter.java b/core/java/android/widget/RemoteViewsAdapter.java
index 56bdb9b..349f3f0 100644
--- a/core/java/android/widget/RemoteViewsAdapter.java
+++ b/core/java/android/widget/RemoteViewsAdapter.java
@@ -26,14 +26,12 @@
 import android.appwidget.AppWidgetManager;
 import android.content.Context;
 import android.content.Intent;
-import android.content.pm.PackageManager;
 import android.os.Handler;
 import android.os.HandlerThread;
 import android.os.IBinder;
 import android.os.Looper;
 import android.os.Message;
 import android.os.RemoteException;
-import android.os.UserHandle;
 import android.util.Log;
 import android.util.Slog;
 import android.view.LayoutInflater;
diff --git a/core/java/android/widget/SearchView.java b/core/java/android/widget/SearchView.java
index 8846421..bbf120a 100644
--- a/core/java/android/widget/SearchView.java
+++ b/core/java/android/widget/SearchView.java
@@ -49,8 +49,6 @@
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.View;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 import android.view.inputmethod.EditorInfo;
 import android.view.inputmethod.InputMethodManager;
 import android.widget.AdapterView.OnItemClickListener;
diff --git a/core/java/android/widget/SeekBar.java b/core/java/android/widget/SeekBar.java
index fc070e7..d010122 100644
--- a/core/java/android/widget/SeekBar.java
+++ b/core/java/android/widget/SeekBar.java
@@ -18,8 +18,6 @@
 
 import android.content.Context;
 import android.util.AttributeSet;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 
 
 
diff --git a/core/java/android/widget/SlidingDrawer.java b/core/java/android/widget/SlidingDrawer.java
index 272f4b0..9c44236 100644
--- a/core/java/android/widget/SlidingDrawer.java
+++ b/core/java/android/widget/SlidingDrawer.java
@@ -32,7 +32,6 @@
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 
 /**
  * SlidingDrawer hides content out of the screen and allows the user to drag a handle
diff --git a/core/java/android/widget/Spinner.java b/core/java/android/widget/Spinner.java
index f0bc303..3746ec6 100644
--- a/core/java/android/widget/Spinner.java
+++ b/core/java/android/widget/Spinner.java
@@ -42,7 +42,6 @@
 import android.view.ViewGroup;
 import android.view.ViewTreeObserver;
 import android.view.ViewTreeObserver.OnGlobalLayoutListener;
-import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityNodeInfo;
 import android.widget.ListPopupWindow.ForwardingListener;
 import android.widget.PopupWindow.OnDismissListener;
diff --git a/core/java/android/widget/StackView.java b/core/java/android/widget/StackView.java
index 803ba4b..2bd3143 100644
--- a/core/java/android/widget/StackView.java
+++ b/core/java/android/widget/StackView.java
@@ -41,7 +41,6 @@
 import android.view.View;
 import android.view.ViewConfiguration;
 import android.view.ViewGroup;
-import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityNodeInfo;
 import android.view.animation.LinearInterpolator;
 import android.widget.RemoteViews.RemoteView;
diff --git a/core/java/android/widget/TabHost.java b/core/java/android/widget/TabHost.java
index bf35cf9..110d79b0 100644
--- a/core/java/android/widget/TabHost.java
+++ b/core/java/android/widget/TabHost.java
@@ -33,9 +33,6 @@
 import android.view.ViewGroup;
 import android.view.ViewTreeObserver;
 import android.view.Window;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
-
 import java.util.ArrayList;
 import java.util.List;
 
diff --git a/core/java/android/widget/TabWidget.java b/core/java/android/widget/TabWidget.java
index f90a0a7..9496e62 100644
--- a/core/java/android/widget/TabWidget.java
+++ b/core/java/android/widget/TabWidget.java
@@ -19,7 +19,6 @@
 import android.R;
 import android.annotation.DrawableRes;
 import android.content.Context;
-import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.graphics.Canvas;
 import android.graphics.Rect;
@@ -30,7 +29,6 @@
 import android.view.View.OnFocusChangeListener;
 import android.view.ViewGroup;
 import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 
 /**
  *
diff --git a/core/java/android/widget/TableLayout.java b/core/java/android/widget/TableLayout.java
index c825d17..093bdcf 100644
--- a/core/java/android/widget/TableLayout.java
+++ b/core/java/android/widget/TableLayout.java
@@ -24,9 +24,6 @@
 import android.util.SparseBooleanArray;
 import android.view.View;
 import android.view.ViewGroup;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
-
 import java.util.regex.Pattern;
 
 /**
diff --git a/core/java/android/widget/TableRow.java b/core/java/android/widget/TableRow.java
index 72fce3f..faf5b84 100644
--- a/core/java/android/widget/TableRow.java
+++ b/core/java/android/widget/TableRow.java
@@ -24,8 +24,6 @@
 import android.view.View;
 import android.view.ViewDebug;
 import android.view.ViewGroup;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 
 
 /**
diff --git a/core/java/android/widget/TextSwitcher.java b/core/java/android/widget/TextSwitcher.java
index 22822b1..ecd9a8c 100644
--- a/core/java/android/widget/TextSwitcher.java
+++ b/core/java/android/widget/TextSwitcher.java
@@ -21,8 +21,6 @@
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.ViewGroup;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 
 /**
  * Specialized {@link android.widget.ViewSwitcher} that contains
diff --git a/core/java/android/widget/TimePicker.java b/core/java/android/widget/TimePicker.java
index 9df8a21..944b491 100644
--- a/core/java/android/widget/TimePicker.java
+++ b/core/java/android/widget/TimePicker.java
@@ -24,8 +24,6 @@
 import android.os.Parcelable;
 import android.util.AttributeSet;
 import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
-
 import com.android.internal.R;
 
 import java.util.Locale;
diff --git a/core/java/android/widget/TimePickerClockDelegate.java b/core/java/android/widget/TimePickerClockDelegate.java
index 3b88b21..9fdd718 100644
--- a/core/java/android/widget/TimePickerClockDelegate.java
+++ b/core/java/android/widget/TimePickerClockDelegate.java
@@ -17,7 +17,6 @@
 package android.widget;
 
 import android.content.Context;
-import android.content.res.ColorStateList;
 import android.content.res.Configuration;
 import android.content.res.Resources;
 import android.content.res.TypedArray;
@@ -34,7 +33,6 @@
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.View.AccessibilityDelegate;
-import android.view.ViewGroup;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityNodeInfo;
 import android.view.accessibility.AccessibilityNodeInfo.AccessibilityAction;
diff --git a/core/java/android/widget/TimePickerSpinnerDelegate.java b/core/java/android/widget/TimePickerSpinnerDelegate.java
index af69110..513c55b 100644
--- a/core/java/android/widget/TimePickerSpinnerDelegate.java
+++ b/core/java/android/widget/TimePickerSpinnerDelegate.java
@@ -28,12 +28,10 @@
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 import android.view.inputmethod.EditorInfo;
 import android.view.inputmethod.InputMethodManager;
 import com.android.internal.R;
 
-import java.text.DateFormatSymbols;
 import java.util.Calendar;
 import java.util.Locale;
 
diff --git a/core/java/android/widget/ToggleButton.java b/core/java/android/widget/ToggleButton.java
index 4f8342b..6a8449e 100644
--- a/core/java/android/widget/ToggleButton.java
+++ b/core/java/android/widget/ToggleButton.java
@@ -21,8 +21,6 @@
 import android.graphics.drawable.Drawable;
 import android.graphics.drawable.LayerDrawable;
 import android.util.AttributeSet;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 
 /**
  * Displays checked/unchecked states as a button
diff --git a/core/java/android/widget/TwoLineListItem.java b/core/java/android/widget/TwoLineListItem.java
index 0cd7eb9..69ff488 100644
--- a/core/java/android/widget/TwoLineListItem.java
+++ b/core/java/android/widget/TwoLineListItem.java
@@ -20,8 +20,6 @@
 import android.content.Context;
 import android.content.res.TypedArray;
 import android.util.AttributeSet;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 import android.widget.RelativeLayout;
 
 /**
diff --git a/core/java/android/widget/VideoView.java b/core/java/android/widget/VideoView.java
index 48283d4..9d6ba57 100644
--- a/core/java/android/widget/VideoView.java
+++ b/core/java/android/widget/VideoView.java
@@ -43,8 +43,6 @@
 import android.view.SurfaceHolder;
 import android.view.SurfaceView;
 import android.view.View;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 import android.widget.MediaController.MediaPlayerControl;
 
 import java.io.IOException;
diff --git a/core/java/android/widget/ViewAnimator.java b/core/java/android/widget/ViewAnimator.java
index 5ef5222..f30fdd8 100644
--- a/core/java/android/widget/ViewAnimator.java
+++ b/core/java/android/widget/ViewAnimator.java
@@ -22,8 +22,6 @@
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.ViewGroup;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 import android.view.animation.Animation;
 import android.view.animation.AnimationUtils;
 
diff --git a/core/java/android/widget/ViewFlipper.java b/core/java/android/widget/ViewFlipper.java
index a43a185..94e7ba1 100644
--- a/core/java/android/widget/ViewFlipper.java
+++ b/core/java/android/widget/ViewFlipper.java
@@ -24,8 +24,6 @@
 import android.os.*;
 import android.util.AttributeSet;
 import android.util.Log;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 import android.widget.RemoteViews.RemoteView;
 
 /**
diff --git a/core/java/android/widget/ViewSwitcher.java b/core/java/android/widget/ViewSwitcher.java
index 2f544cc..0d5627e 100644
--- a/core/java/android/widget/ViewSwitcher.java
+++ b/core/java/android/widget/ViewSwitcher.java
@@ -20,8 +20,6 @@
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.ViewGroup;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 
 /**
  * {@link ViewAnimator} that switches between two views, and has a factory
diff --git a/core/java/android/widget/ZoomButton.java b/core/java/android/widget/ZoomButton.java
index 6b3faed..0255bdb 100644
--- a/core/java/android/widget/ZoomButton.java
+++ b/core/java/android/widget/ZoomButton.java
@@ -23,8 +23,6 @@
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.View.OnLongClickListener;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 
 public class ZoomButton extends ImageButton implements OnLongClickListener {
 
diff --git a/core/java/android/widget/ZoomControls.java b/core/java/android/widget/ZoomControls.java
index bef1ace..66c052b 100644
--- a/core/java/android/widget/ZoomControls.java
+++ b/core/java/android/widget/ZoomControls.java
@@ -22,8 +22,6 @@
 import android.view.LayoutInflater;
 import android.view.MotionEvent;
 import android.view.View;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 import android.view.animation.AlphaAnimation;
 
 import com.android.internal.R;
diff --git a/core/java/com/android/internal/app/AlertActivity.java b/core/java/com/android/internal/app/AlertActivity.java
index 5566aa6..ed48b0d 100644
--- a/core/java/com/android/internal/app/AlertActivity.java
+++ b/core/java/com/android/internal/app/AlertActivity.java
@@ -17,11 +17,9 @@
 package com.android.internal.app;
 
 import android.app.Activity;
-import android.app.AlertDialog;
 import android.app.Dialog;
 import android.content.DialogInterface;
 import android.os.Bundle;
-import android.text.TextUtils;
 import android.view.KeyEvent;
 import android.view.ViewGroup;
 import android.view.accessibility.AccessibilityEvent;
diff --git a/core/java/com/android/internal/app/IntentForwarderActivity.java b/core/java/com/android/internal/app/IntentForwarderActivity.java
index 7c1308f..f598828 100644
--- a/core/java/com/android/internal/app/IntentForwarderActivity.java
+++ b/core/java/com/android/internal/app/IntentForwarderActivity.java
@@ -28,7 +28,6 @@
 import android.content.pm.IPackageManager;
 import android.content.pm.UserInfo;
 import android.os.Bundle;
-import android.os.Process;
 import android.os.RemoteException;
 import android.os.UserHandle;
 import android.os.UserManager;
diff --git a/core/java/com/android/internal/backup/LocalTransport.java b/core/java/com/android/internal/backup/LocalTransport.java
index 044383e..c3cc60a 100644
--- a/core/java/com/android/internal/backup/LocalTransport.java
+++ b/core/java/com/android/internal/backup/LocalTransport.java
@@ -44,11 +44,8 @@
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.Collections;
 import java.util.HashSet;
-import java.util.List;
-
 import static android.system.OsConstants.*;
 
 /**
diff --git a/core/java/com/android/internal/os/ZygoteConnection.java b/core/java/com/android/internal/os/ZygoteConnection.java
index a55fe9a..5fc5b58 100644
--- a/core/java/com/android/internal/os/ZygoteConnection.java
+++ b/core/java/com/android/internal/os/ZygoteConnection.java
@@ -30,7 +30,6 @@
 import android.system.ErrnoException;
 import android.system.Os;
 import android.util.Log;
-import dalvik.system.PathClassLoader;
 import dalvik.system.VMRuntime;
 import java.io.BufferedReader;
 import java.io.DataInputStream;
diff --git a/core/java/com/android/internal/os/ZygoteInit.java b/core/java/com/android/internal/os/ZygoteInit.java
index 400ea37..49d565d 100644
--- a/core/java/com/android/internal/os/ZygoteInit.java
+++ b/core/java/com/android/internal/os/ZygoteInit.java
@@ -24,8 +24,6 @@
 import android.content.res.TypedArray;
 import android.net.LocalServerSocket;
 import android.opengl.EGL14;
-import android.os.Build;
-import android.os.Debug;
 import android.os.Process;
 import android.os.SystemClock;
 import android.os.SystemProperties;
@@ -36,7 +34,6 @@
 import android.system.StructPollfd;
 import android.util.EventLog;
 import android.util.Log;
-import android.util.Slog;
 import android.webkit.WebViewFactory;
 
 import dalvik.system.DexFile;
@@ -54,7 +51,6 @@
 import java.io.InputStreamReader;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
-import java.lang.reflect.Modifier;
 import java.util.ArrayList;
 
 /**
diff --git a/core/java/com/android/internal/widget/ActionBarContainer.java b/core/java/com/android/internal/widget/ActionBarContainer.java
index 7937a95..847a47d 100644
--- a/core/java/com/android/internal/widget/ActionBarContainer.java
+++ b/core/java/com/android/internal/widget/ActionBarContainer.java
@@ -23,7 +23,6 @@
 import android.graphics.ColorFilter;
 import android.graphics.Outline;
 import android.graphics.PixelFormat;
-import android.graphics.RectF;
 import android.graphics.drawable.Drawable;
 import android.util.AttributeSet;
 import android.view.ActionMode;
@@ -32,8 +31,6 @@
 import android.view.ViewGroup;
 import android.widget.FrameLayout;
 
-import java.util.List;
-
 /**
  * This class acts as a container for the action bar view and action mode context views.
  * It applies special styles as needed to help handle animated transitions between them.
diff --git a/core/java/com/android/internal/widget/ActionBarContextView.java b/core/java/com/android/internal/widget/ActionBarContextView.java
index ae5999a..42d875d 100644
--- a/core/java/com/android/internal/widget/ActionBarContextView.java
+++ b/core/java/com/android/internal/widget/ActionBarContextView.java
@@ -17,8 +17,6 @@
 
 import com.android.internal.R;
 
-import android.util.TypedValue;
-import android.view.ContextThemeWrapper;
 import android.widget.ActionMenuPresenter;
 import android.widget.ActionMenuView;
 import com.android.internal.view.menu.MenuBuilder;
diff --git a/core/java/com/android/internal/widget/ActionBarOverlayLayout.java b/core/java/com/android/internal/widget/ActionBarOverlayLayout.java
index cca48d3..c3a7460 100644
--- a/core/java/com/android/internal/widget/ActionBarOverlayLayout.java
+++ b/core/java/com/android/internal/widget/ActionBarOverlayLayout.java
@@ -32,7 +32,6 @@
 import android.util.Log;
 import android.util.Property;
 import android.util.SparseArray;
-import android.view.KeyEvent;
 import android.view.Menu;
 import android.view.View;
 import android.view.ViewGroup;
diff --git a/core/java/com/android/internal/widget/ScrollingTabContainerView.java b/core/java/com/android/internal/widget/ScrollingTabContainerView.java
index 825fcad..ffd9b24 100644
--- a/core/java/com/android/internal/widget/ScrollingTabContainerView.java
+++ b/core/java/com/android/internal/widget/ScrollingTabContainerView.java
@@ -31,7 +31,6 @@
 import android.view.ViewGroup;
 import android.view.ViewParent;
 import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
 import android.view.animation.DecelerateInterpolator;
 import android.widget.AdapterView;
 import android.widget.BaseAdapter;
diff --git a/core/java/com/android/internal/widget/SubtitleView.java b/core/java/com/android/internal/widget/SubtitleView.java
index a206e7f..8c395ec 100644
--- a/core/java/com/android/internal/widget/SubtitleView.java
+++ b/core/java/com/android/internal/widget/SubtitleView.java
@@ -31,7 +31,6 @@
 import android.text.StaticLayout;
 import android.text.TextPaint;
 import android.util.AttributeSet;
-import android.util.DisplayMetrics;
 import android.view.View;
 import android.view.accessibility.CaptioningManager.CaptionStyle;
 
diff --git a/core/java/com/android/internal/widget/ToolbarWidgetWrapper.java b/core/java/com/android/internal/widget/ToolbarWidgetWrapper.java
index 8d1f73a..54df87b 100644
--- a/core/java/com/android/internal/widget/ToolbarWidgetWrapper.java
+++ b/core/java/com/android/internal/widget/ToolbarWidgetWrapper.java
@@ -27,8 +27,6 @@
 import android.text.TextUtils;
 import android.util.Log;
 import android.util.SparseArray;
-import android.util.TypedValue;
-import android.view.ContextThemeWrapper;
 import android.view.Gravity;
 import android.view.LayoutInflater;
 import android.view.Menu;
diff --git a/core/java/com/android/server/net/NetlinkTracker.java b/core/java/com/android/server/net/NetlinkTracker.java
index 0dde465..d45982e 100644
--- a/core/java/com/android/server/net/NetlinkTracker.java
+++ b/core/java/com/android/server/net/NetlinkTracker.java
@@ -24,11 +24,9 @@
 import java.net.InetAddress;
 import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashSet;
-import java.util.Objects;
 import java.util.Set;
 
 /**
diff --git a/graphics/java/android/graphics/drawable/ClipDrawable.java b/graphics/java/android/graphics/drawable/ClipDrawable.java
index f3574e8..2acf602 100644
--- a/graphics/java/android/graphics/drawable/ClipDrawable.java
+++ b/graphics/java/android/graphics/drawable/ClipDrawable.java
@@ -21,12 +21,10 @@
 import org.xmlpull.v1.XmlPullParser;
 import org.xmlpull.v1.XmlPullParserException;
 
-import android.content.res.ColorStateList;
 import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.content.res.Resources.Theme;
 import android.graphics.*;
-import android.graphics.PorterDuff.Mode;
 import android.view.Gravity;
 import android.util.AttributeSet;
 
diff --git a/graphics/java/android/graphics/drawable/RotateDrawable.java b/graphics/java/android/graphics/drawable/RotateDrawable.java
index ca161ee..15e16f1 100644
--- a/graphics/java/android/graphics/drawable/RotateDrawable.java
+++ b/graphics/java/android/graphics/drawable/RotateDrawable.java
@@ -22,10 +22,7 @@
 import org.xmlpull.v1.XmlPullParserException;
 
 import android.graphics.Canvas;
-import android.graphics.ColorFilter;
 import android.graphics.Rect;
-import android.graphics.PorterDuff.Mode;
-import android.content.res.ColorStateList;
 import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.content.res.Resources.Theme;
diff --git a/location/java/com/android/internal/location/GpsNetInitiatedHandler.java b/location/java/com/android/internal/location/GpsNetInitiatedHandler.java
index e9e475c..0a3e073 100644
--- a/location/java/com/android/internal/location/GpsNetInitiatedHandler.java
+++ b/location/java/com/android/internal/location/GpsNetInitiatedHandler.java
@@ -34,7 +34,6 @@
 import android.os.RemoteException;
 import android.os.UserHandle;
 import android.os.SystemProperties;
-import android.provider.Settings;
 import android.util.Log;
 
 import com.android.internal.R;
diff --git a/media/java/android/media/AudioAttributes.java b/media/java/android/media/AudioAttributes.java
index 97919a9..09f4bac 100644
--- a/media/java/android/media/AudioAttributes.java
+++ b/media/java/android/media/AudioAttributes.java
@@ -27,7 +27,6 @@
 import java.lang.annotation.RetentionPolicy;
 import java.util.Collections;
 import java.util.HashSet;
-import java.util.Iterator;
 import java.util.Objects;
 import java.util.Set;
 
diff --git a/media/java/android/media/AudioDevicesManager.java b/media/java/android/media/AudioDevicesManager.java
index bce2100..ee11eef 100644
--- a/media/java/android/media/AudioDevicesManager.java
+++ b/media/java/android/media/AudioDevicesManager.java
@@ -22,7 +22,6 @@
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Iterator;
-import android.content.Context;
 
 /** @hide
  * API candidate
diff --git a/media/java/android/media/AudioManager.java b/media/java/android/media/AudioManager.java
index 9876995..3a07bef 100644
--- a/media/java/android/media/AudioManager.java
+++ b/media/java/android/media/AudioManager.java
@@ -28,7 +28,6 @@
 import android.content.Intent;
 import android.media.RemoteController.OnClientUpdateListener;
 import android.media.audiopolicy.AudioPolicy;
-import android.media.audiopolicy.AudioPolicyConfig;
 import android.media.session.MediaController;
 import android.media.session.MediaSession;
 import android.media.session.MediaSessionLegacyHelper;
diff --git a/media/java/android/media/AudioPort.java b/media/java/android/media/AudioPort.java
index b046791..88e784a 100644
--- a/media/java/android/media/AudioPort.java
+++ b/media/java/android/media/AudioPort.java
@@ -15,7 +15,6 @@
  */
 
 package android.media;
-import android.util.Slog;
 
 /**
  * An audio port is a node of the audio framework or hardware that can be connected to or
diff --git a/media/java/android/media/AudioPortEventHandler.java b/media/java/android/media/AudioPortEventHandler.java
index ba2a59d..c05fd77 100644
--- a/media/java/android/media/AudioPortEventHandler.java
+++ b/media/java/android/media/AudioPortEventHandler.java
@@ -19,8 +19,6 @@
 import android.os.Handler;
 import android.os.Looper;
 import android.os.Message;
-import android.util.Log;
-
 import java.util.ArrayList;
 import java.lang.ref.WeakReference;
 
diff --git a/media/java/android/media/AudioTrack.java b/media/java/android/media/AudioTrack.java
index cd78234..93e2cbe 100644
--- a/media/java/android/media/AudioTrack.java
+++ b/media/java/android/media/AudioTrack.java
@@ -21,9 +21,6 @@
 import java.lang.ref.WeakReference;
 import java.nio.ByteBuffer;
 import java.nio.NioUtils;
-import java.util.Iterator;
-import java.util.Set;
-
 import android.annotation.IntDef;
 import android.app.ActivityThread;
 import android.app.AppOpsManager;
diff --git a/media/java/android/media/MediaCodec.java b/media/java/android/media/MediaCodec.java
index 8985b52..a7f33fa 100644
--- a/media/java/android/media/MediaCodec.java
+++ b/media/java/android/media/MediaCodec.java
@@ -19,7 +19,6 @@
 import android.graphics.ImageFormat;
 import android.graphics.Rect;
 import android.media.Image;
-import android.media.Image.Plane;
 import android.media.MediaCodecInfo;
 import android.media.MediaCodecList;
 import android.media.MediaCrypto;
diff --git a/media/java/android/media/MediaCodecInfo.java b/media/java/android/media/MediaCodecInfo.java
index 6ac854f..3c9ca4e 100644
--- a/media/java/android/media/MediaCodecInfo.java
+++ b/media/java/android/media/MediaCodecInfo.java
@@ -24,15 +24,12 @@
 
 import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.Comparator;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Set;
 
 import static android.media.Utils.intersectSortedDistinctRanges;
 import static android.media.Utils.sortDistinctRanges;
-import static com.android.internal.util.Preconditions.checkArgumentPositive;
-import static com.android.internal.util.Preconditions.checkNotNull;
 
 /**
  * Provides information about a given media codec available on the device. You can
diff --git a/media/java/android/media/MediaCodecList.java b/media/java/android/media/MediaCodecList.java
index bb848d9..7fd0186 100644
--- a/media/java/android/media/MediaCodecList.java
+++ b/media/java/android/media/MediaCodecList.java
@@ -19,8 +19,6 @@
 import android.util.Log;
 
 import android.media.MediaCodecInfo;
-import android.media.MediaCodecInfo.CodecCapabilities;
-
 import java.util.ArrayList;
 import java.util.Arrays;
 
diff --git a/media/java/android/media/MediaDescription.java b/media/java/android/media/MediaDescription.java
index 4399c0d..ddbffc2 100644
--- a/media/java/android/media/MediaDescription.java
+++ b/media/java/android/media/MediaDescription.java
@@ -1,22 +1,11 @@
 package android.media;
 
-import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.content.ContentResolver;
-import android.content.res.Resources;
 import android.graphics.Bitmap;
-import android.graphics.Canvas;
-import android.graphics.Paint;
-import android.graphics.Point;
-import android.graphics.RectF;
-import android.graphics.drawable.BitmapDrawable;
-import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.os.Bundle;
-import android.os.CancellationSignal;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.util.Size;
 
 /**
  * A simple set of metadata for a media item suitable for display. This can be
diff --git a/media/java/android/media/MediaDrm.java b/media/java/android/media/MediaDrm.java
index 78a5abe..7a35a31 100644
--- a/media/java/android/media/MediaDrm.java
+++ b/media/java/android/media/MediaDrm.java
@@ -21,8 +21,6 @@
 import java.util.HashMap;
 import java.util.List;
 import android.annotation.SystemApi;
-import android.os.Binder;
-import android.os.Debug;
 import android.os.Handler;
 import android.os.Looper;
 import android.os.Message;
diff --git a/media/java/android/media/MediaHTTPService.java b/media/java/android/media/MediaHTTPService.java
index 3b4703d..2348ab7 100644
--- a/media/java/android/media/MediaHTTPService.java
+++ b/media/java/android/media/MediaHTTPService.java
@@ -16,9 +16,7 @@
 
 package android.media;
 
-import android.os.Binder;
 import android.os.IBinder;
-import android.util.Log;
 
 /** @hide */
 public class MediaHTTPService extends IMediaHTTPService.Stub {
diff --git a/media/java/android/media/MediaMetadata.java b/media/java/android/media/MediaMetadata.java
index 754da0e..39bcef5 100644
--- a/media/java/android/media/MediaMetadata.java
+++ b/media/java/android/media/MediaMetadata.java
@@ -30,7 +30,6 @@
 import android.util.Log;
 import android.util.SparseArray;
 
-import java.util.ArrayList;
 import java.util.Set;
 
 /**
diff --git a/media/java/android/media/MediaPlayer.java b/media/java/android/media/MediaPlayer.java
index fc372eb..d61610d 100644
--- a/media/java/android/media/MediaPlayer.java
+++ b/media/java/android/media/MediaPlayer.java
@@ -18,12 +18,8 @@
 
 import android.app.ActivityThread;
 import android.app.AppOpsManager;
-import android.app.Application;
-import android.content.BroadcastReceiver;
 import android.content.ContentResolver;
 import android.content.Context;
-import android.content.Intent;
-import android.content.IntentFilter;
 import android.content.res.AssetFileDescriptor;
 import android.net.Uri;
 import android.os.Handler;
@@ -64,7 +60,6 @@
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
-import java.io.OutputStream;
 import java.lang.Runnable;
 import java.net.InetSocketAddress;
 import java.util.Map;
diff --git a/media/java/android/media/RemoteControlClient.java b/media/java/android/media/RemoteControlClient.java
index 1b6536f..c9a86d8 100644
--- a/media/java/android/media/RemoteControlClient.java
+++ b/media/java/android/media/RemoteControlClient.java
@@ -27,7 +27,6 @@
 import android.os.Handler;
 import android.os.Looper;
 import android.os.Message;
-import android.os.ServiceManager;
 import android.os.SystemClock;
 import android.util.Log;
 
diff --git a/media/java/android/media/TtmlRenderer.java b/media/java/android/media/TtmlRenderer.java
index 75133c9..9d587b9 100644
--- a/media/java/android/media/TtmlRenderer.java
+++ b/media/java/android/media/TtmlRenderer.java
@@ -17,27 +17,15 @@
 package android.media;
 
 import android.content.Context;
-import android.graphics.Color;
-import android.media.SubtitleTrack.RenderingWidget.OnChangedListener;
-import android.text.Layout.Alignment;
-import android.text.SpannableStringBuilder;
 import android.text.TextUtils;
-import android.util.ArrayMap;
 import android.util.AttributeSet;
 import android.util.Log;
 import android.view.Gravity;
 import android.view.View;
-import android.view.ViewGroup;
-import android.view.View.MeasureSpec;
-import android.view.ViewGroup.LayoutParams;
 import android.view.accessibility.CaptioningManager;
-import android.view.accessibility.CaptioningManager.CaptionStyle;
-import android.view.accessibility.CaptioningManager.CaptioningChangeListener;
 import android.widget.LinearLayout;
 import android.widget.TextView;
 
-import com.android.internal.widget.SubtitleView;
-
 import java.io.IOException;
 import java.io.StringReader;
 import java.util.ArrayList;
diff --git a/media/java/android/media/Utils.java b/media/java/android/media/Utils.java
index df0daaf..9e01e65 100644
--- a/media/java/android/media/Utils.java
+++ b/media/java/android/media/Utils.java
@@ -26,8 +26,6 @@
 import java.util.Comparator;
 import java.util.Vector;
 
-import static com.android.internal.util.Preconditions.checkNotNull;
-
 // package private
 class Utils {
     private static final String TAG = "Utils";
diff --git a/media/java/android/media/audiopolicy/AudioPolicyConfig.java b/media/java/android/media/audiopolicy/AudioPolicyConfig.java
index 019309d..917e07b 100644
--- a/media/java/android/media/audiopolicy/AudioPolicyConfig.java
+++ b/media/java/android/media/audiopolicy/AudioPolicyConfig.java
@@ -16,12 +16,8 @@
 
 package android.media.audiopolicy;
 
-import android.media.AudioAttributes;
 import android.media.AudioFormat;
-import android.media.AudioManager;
 import android.media.audiopolicy.AudioMixingRule.AttributeMatchCriterion;
-import android.os.Binder;
-import android.os.IBinder;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.util.Log;
diff --git a/media/java/android/media/midi/MidiDevice.java b/media/java/android/media/midi/MidiDevice.java
index 36710fd..87af362 100644
--- a/media/java/android/media/midi/MidiDevice.java
+++ b/media/java/android/media/midi/MidiDevice.java
@@ -20,12 +20,6 @@
 import android.os.RemoteException;
 import android.util.Log;
 
-import java.io.FileDescriptor;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.util.ArrayList;
-
 /**
  * This class is used for sending and receiving data to and from an MIDI device
  * Instances of this class are created by {@link MidiManager#openDevice}.
diff --git a/media/java/android/media/midi/MidiManager.java b/media/java/android/media/midi/MidiManager.java
index 410120d..a502e3e 100644
--- a/media/java/android/media/midi/MidiManager.java
+++ b/media/java/android/media/midi/MidiManager.java
@@ -24,7 +24,6 @@
 import android.os.RemoteException;
 import android.util.Log;
 
-import java.io.IOException;
 import java.util.HashMap;
 
 /**
diff --git a/media/java/android/media/midi/MidiPort.java b/media/java/android/media/midi/MidiPort.java
index 4d3c91d..3aa03f2 100644
--- a/media/java/android/media/midi/MidiPort.java
+++ b/media/java/android/media/midi/MidiPort.java
@@ -16,8 +16,6 @@
 
 package android.media.midi;
 
-import android.util.Log;
-
 import java.io.Closeable;
 
 /**
diff --git a/media/java/android/media/projection/MediaProjection.java b/media/java/android/media/projection/MediaProjection.java
index a6bde1d..e757f09 100644
--- a/media/java/android/media/projection/MediaProjection.java
+++ b/media/java/android/media/projection/MediaProjection.java
@@ -25,7 +25,6 @@
 import android.media.projection.IMediaProjection;
 import android.media.projection.IMediaProjectionCallback;
 import android.os.Handler;
-import android.os.Looper;
 import android.os.RemoteException;
 import android.util.ArrayMap;
 import android.util.Log;
diff --git a/media/java/android/media/projection/MediaProjectionManager.java b/media/java/android/media/projection/MediaProjectionManager.java
index a1cfc35..f4a548b 100644
--- a/media/java/android/media/projection/MediaProjectionManager.java
+++ b/media/java/android/media/projection/MediaProjectionManager.java
@@ -22,7 +22,6 @@
 import android.content.Context;
 import android.content.Intent;
 import android.media.projection.IMediaProjection;
-import android.os.Binder;
 import android.os.Handler;
 import android.os.IBinder;
 import android.os.RemoteException;
diff --git a/media/java/android/media/routing/MediaRouteSelector.java b/media/java/android/media/routing/MediaRouteSelector.java
index 26a9b1c..0bfc796 100644
--- a/media/java/android/media/routing/MediaRouteSelector.java
+++ b/media/java/android/media/routing/MediaRouteSelector.java
@@ -19,7 +19,6 @@
 import android.annotation.Nullable;
 import android.media.routing.MediaRouter.RouteFeatures;
 import android.os.Bundle;
-import android.os.IInterface;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.text.TextUtils;
diff --git a/media/java/android/media/session/MediaSession.java b/media/java/android/media/session/MediaSession.java
index 57c291d..cc602c9 100644
--- a/media/java/android/media/session/MediaSession.java
+++ b/media/java/android/media/session/MediaSession.java
@@ -30,7 +30,6 @@
 import android.media.Rating;
 import android.media.VolumeProvider;
 import android.media.routing.MediaRouter;
-import android.net.Uri;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Looper;
diff --git a/media/java/android/media/session/MediaSessionLegacyHelper.java b/media/java/android/media/session/MediaSessionLegacyHelper.java
index 4ea22f9..3276f0c 100644
--- a/media/java/android/media/session/MediaSessionLegacyHelper.java
+++ b/media/java/android/media/session/MediaSessionLegacyHelper.java
@@ -30,12 +30,9 @@
 import android.media.MediaMetadataEditor;
 import android.media.MediaMetadataRetriever;
 import android.media.Rating;
-import android.media.RemoteControlClient;
-import android.media.RemoteControlClient.MetadataEditor;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Looper;
-import android.os.RemoteException;
 import android.util.ArrayMap;
 import android.util.Log;
 import android.view.KeyEvent;
diff --git a/media/java/android/media/session/MediaSessionManager.java b/media/java/android/media/session/MediaSessionManager.java
index b4fff8f..6ac0efb 100644
--- a/media/java/android/media/session/MediaSessionManager.java
+++ b/media/java/android/media/session/MediaSessionManager.java
@@ -29,7 +29,6 @@
 import android.os.ServiceManager;
 import android.os.UserHandle;
 import android.service.notification.NotificationListenerService;
-import android.text.TextUtils;
 import android.util.ArrayMap;
 import android.util.Log;
 import android.view.KeyEvent;
diff --git a/media/java/android/media/session/PlaybackState.java b/media/java/android/media/session/PlaybackState.java
index 54d0acd..6807e7f 100644
--- a/media/java/android/media/session/PlaybackState.java
+++ b/media/java/android/media/session/PlaybackState.java
@@ -23,8 +23,6 @@
 import android.os.Parcelable;
 import android.os.SystemClock;
 import android.text.TextUtils;
-import android.util.Log;
-
 import java.util.ArrayList;
 import java.util.List;
 
diff --git a/media/java/android/media/tv/TvInputService.java b/media/java/android/media/tv/TvInputService.java
index f29be0d..6607765 100644
--- a/media/java/android/media/tv/TvInputService.java
+++ b/media/java/android/media/tv/TvInputService.java
@@ -48,7 +48,6 @@
 import android.view.accessibility.CaptioningManager;
 import android.widget.FrameLayout;
 
-import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.os.SomeArgs;
 
 import java.util.ArrayList;
diff --git a/media/java/android/mtp/MtpDatabase.java b/media/java/android/mtp/MtpDatabase.java
index 5d9355a..3541fba 100755
--- a/media/java/android/mtp/MtpDatabase.java
+++ b/media/java/android/mtp/MtpDatabase.java
@@ -28,7 +28,6 @@
 import android.media.MediaScanner;
 import android.net.Uri;
 import android.os.BatteryManager;
-import android.os.BatteryStats;
 import android.os.RemoteException;
 import android.provider.MediaStore;
 import android.provider.MediaStore.Audio;
diff --git a/media/java/android/service/media/MediaBrowserService.java b/media/java/android/service/media/MediaBrowserService.java
index 8287344..41156cb 100644
--- a/media/java/android/service/media/MediaBrowserService.java
+++ b/media/java/android/service/media/MediaBrowserService.java
@@ -16,7 +16,6 @@
 
 package android.service.media;
 
-import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.SdkConstant;
diff --git a/packages/CaptivePortalLogin/src/com/android/captiveportallogin/CaptivePortalLoginActivity.java b/packages/CaptivePortalLogin/src/com/android/captiveportallogin/CaptivePortalLoginActivity.java
index d898555..2a9f59f 100644
--- a/packages/CaptivePortalLogin/src/com/android/captiveportallogin/CaptivePortalLoginActivity.java
+++ b/packages/CaptivePortalLogin/src/com/android/captiveportallogin/CaptivePortalLoginActivity.java
@@ -31,13 +31,11 @@
 import android.net.http.SslError;
 import android.os.Bundle;
 import android.provider.Settings;
-import android.provider.Settings.Global;
 import android.util.ArrayMap;
 import android.util.Log;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
-import android.view.Window;
 import android.webkit.SslErrorHandler;
 import android.webkit.WebChromeClient;
 import android.webkit.WebSettings;
diff --git a/packages/DocumentsUI/src/com/android/documentsui/DirectoryView.java b/packages/DocumentsUI/src/com/android/documentsui/DirectoryView.java
index 4f52a03d..4893652 100644
--- a/packages/DocumentsUI/src/com/android/documentsui/DirectoryView.java
+++ b/packages/DocumentsUI/src/com/android/documentsui/DirectoryView.java
@@ -17,9 +17,6 @@
 package com.android.documentsui;
 
 import android.content.Context;
-import android.graphics.Rect;
-import android.graphics.drawable.Drawable;
-import android.graphics.drawable.InsetDrawable;
 import android.util.AttributeSet;
 import android.widget.FrameLayout;
 
diff --git a/packages/DocumentsUI/src/com/android/documentsui/IconUtils.java b/packages/DocumentsUI/src/com/android/documentsui/IconUtils.java
index 416aeb0..5378ea9 100644
--- a/packages/DocumentsUI/src/com/android/documentsui/IconUtils.java
+++ b/packages/DocumentsUI/src/com/android/documentsui/IconUtils.java
@@ -19,7 +19,6 @@
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.content.pm.ProviderInfo;
-import android.content.res.Resources;
 import android.graphics.drawable.Drawable;
 import android.provider.DocumentsContract.Document;
 import android.util.TypedValue;
diff --git a/packages/Keyguard/src/com/android/keyguard/AlphaOptimizedImageButton.java b/packages/Keyguard/src/com/android/keyguard/AlphaOptimizedImageButton.java
index eda790f..58c79b4 100644
--- a/packages/Keyguard/src/com/android/keyguard/AlphaOptimizedImageButton.java
+++ b/packages/Keyguard/src/com/android/keyguard/AlphaOptimizedImageButton.java
@@ -19,7 +19,6 @@
 import android.content.Context;
 import android.util.AttributeSet;
 import android.widget.ImageButton;
-import android.widget.RelativeLayout;
 
 /**
  * A frame layout which does not have overlapping renderings commands and therefore does not need a
diff --git a/packages/Keyguard/src/com/android/keyguard/AlphaOptimizedLinearLayout.java b/packages/Keyguard/src/com/android/keyguard/AlphaOptimizedLinearLayout.java
index 36da6f1..2c6c4fa 100644
--- a/packages/Keyguard/src/com/android/keyguard/AlphaOptimizedLinearLayout.java
+++ b/packages/Keyguard/src/com/android/keyguard/AlphaOptimizedLinearLayout.java
@@ -18,7 +18,6 @@
 
 import android.content.Context;
 import android.util.AttributeSet;
-import android.view.View;
 import android.widget.LinearLayout;
 
 /**
diff --git a/packages/Keyguard/src/com/android/keyguard/AppearAnimationCreator.java b/packages/Keyguard/src/com/android/keyguard/AppearAnimationCreator.java
index 3ff2cc0..e4706b6 100644
--- a/packages/Keyguard/src/com/android/keyguard/AppearAnimationCreator.java
+++ b/packages/Keyguard/src/com/android/keyguard/AppearAnimationCreator.java
@@ -16,7 +16,6 @@
 
 package com.android.keyguard;
 
-import android.animation.Animator;
 import android.view.animation.Interpolator;
 
 /**
diff --git a/packages/Keyguard/src/com/android/keyguard/CarrierText.java b/packages/Keyguard/src/com/android/keyguard/CarrierText.java
index ca947af..7d0b81d 100644
--- a/packages/Keyguard/src/com/android/keyguard/CarrierText.java
+++ b/packages/Keyguard/src/com/android/keyguard/CarrierText.java
@@ -25,7 +25,6 @@
 import android.content.res.TypedArray;
 import android.net.ConnectivityManager;
 import android.telephony.SubscriptionInfo;
-import android.telephony.SubscriptionManager;
 import android.text.TextUtils;
 import android.text.method.SingleLineTransformationMethod;
 import android.util.AttributeSet;
@@ -36,7 +35,6 @@
 import com.android.internal.telephony.IccCardConstants;
 import com.android.internal.telephony.IccCardConstants.State;
 import com.android.internal.telephony.TelephonyIntents;
-import com.android.internal.widget.LockPatternUtils;
 
 public class CarrierText extends TextView {
     private static final boolean DEBUG = KeyguardConstants.DEBUG;
diff --git a/packages/Keyguard/src/com/android/keyguard/DisappearAnimationUtils.java b/packages/Keyguard/src/com/android/keyguard/DisappearAnimationUtils.java
index 6fff0ba..517d96a 100644
--- a/packages/Keyguard/src/com/android/keyguard/DisappearAnimationUtils.java
+++ b/packages/Keyguard/src/com/android/keyguard/DisappearAnimationUtils.java
@@ -17,7 +17,6 @@
 package com.android.keyguard;
 
 import android.content.Context;
-import android.view.View;
 import android.view.animation.AnimationUtils;
 import android.view.animation.Interpolator;
 
diff --git a/packages/Keyguard/src/com/android/keyguard/KeyguardAbsKeyInputView.java b/packages/Keyguard/src/com/android/keyguard/KeyguardAbsKeyInputView.java
index b2e4728..322be91 100644
--- a/packages/Keyguard/src/com/android/keyguard/KeyguardAbsKeyInputView.java
+++ b/packages/Keyguard/src/com/android/keyguard/KeyguardAbsKeyInputView.java
@@ -17,7 +17,6 @@
 package com.android.keyguard;
 
 import android.content.Context;
-import android.graphics.drawable.Drawable;
 import android.os.CountDownTimer;
 import android.os.SystemClock;
 import android.util.AttributeSet;
diff --git a/packages/Keyguard/src/com/android/keyguard/KeyguardHostView.java b/packages/Keyguard/src/com/android/keyguard/KeyguardHostView.java
index 10ce426..a88497c 100644
--- a/packages/Keyguard/src/com/android/keyguard/KeyguardHostView.java
+++ b/packages/Keyguard/src/com/android/keyguard/KeyguardHostView.java
@@ -22,13 +22,11 @@
 import android.content.res.Resources;
 import android.graphics.Canvas;
 import android.media.AudioManager;
-import android.os.Bundle;
 import android.os.SystemClock;
 import android.telephony.TelephonyManager;
 import android.util.AttributeSet;
 import android.util.Log;
 import android.view.KeyEvent;
-import android.view.MotionEvent;
 import android.view.accessibility.AccessibilityEvent;
 import android.widget.FrameLayout;
 
diff --git a/packages/Keyguard/src/com/android/keyguard/KeyguardMessageArea.java b/packages/Keyguard/src/com/android/keyguard/KeyguardMessageArea.java
index 236cbf68..7ddeab4 100644
--- a/packages/Keyguard/src/com/android/keyguard/KeyguardMessageArea.java
+++ b/packages/Keyguard/src/com/android/keyguard/KeyguardMessageArea.java
@@ -19,9 +19,7 @@
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.animation.ObjectAnimator;
-import android.content.ContentResolver;
 import android.content.Context;
-import android.os.BatteryManager;
 import android.os.Handler;
 import android.os.Looper;
 import android.os.SystemClock;
diff --git a/packages/Keyguard/src/com/android/keyguard/KeyguardUpdateMonitor.java b/packages/Keyguard/src/com/android/keyguard/KeyguardUpdateMonitor.java
index 755479f..a66fc22 100644
--- a/packages/Keyguard/src/com/android/keyguard/KeyguardUpdateMonitor.java
+++ b/packages/Keyguard/src/com/android/keyguard/KeyguardUpdateMonitor.java
@@ -51,8 +51,6 @@
 import com.android.internal.telephony.IccCardConstants.State;
 import com.android.internal.telephony.PhoneConstants;
 import com.android.internal.telephony.TelephonyIntents;
-import com.android.internal.telephony.TelephonyProperties;
-
 import android.service.fingerprint.FingerprintManager;
 import android.service.fingerprint.FingerprintManagerReceiver;
 import android.service.fingerprint.FingerprintUtils;
diff --git a/packages/Keyguard/src/com/android/keyguard/KeyguardUpdateMonitorCallback.java b/packages/Keyguard/src/com/android/keyguard/KeyguardUpdateMonitorCallback.java
index f610fec..f0e2389 100644
--- a/packages/Keyguard/src/com/android/keyguard/KeyguardUpdateMonitorCallback.java
+++ b/packages/Keyguard/src/com/android/keyguard/KeyguardUpdateMonitorCallback.java
@@ -15,7 +15,6 @@
  */
 package com.android.keyguard;
 
-import android.app.PendingIntent;
 import android.app.admin.DevicePolicyManager;
 import android.graphics.Bitmap;
 import android.media.AudioManager;
diff --git a/packages/Keyguard/src/com/android/keyguard/NumPadKey.java b/packages/Keyguard/src/com/android/keyguard/NumPadKey.java
index 681db80..ef8bb0b 100644
--- a/packages/Keyguard/src/com/android/keyguard/NumPadKey.java
+++ b/packages/Keyguard/src/com/android/keyguard/NumPadKey.java
@@ -18,17 +18,13 @@
 
 import android.content.Context;
 import android.content.res.TypedArray;
-import android.graphics.drawable.Drawable;
-import android.os.Debug;
 import android.os.PowerManager;
 import android.os.SystemClock;
 import android.util.AttributeSet;
 import android.view.HapticFeedbackConstants;
-import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.view.accessibility.AccessibilityEvent;
 import android.widget.TextView;
 
 import com.android.internal.widget.LockPatternUtils;
diff --git a/packages/PrintSpooler/src/com/android/printspooler/model/PrintSpoolerProvider.java b/packages/PrintSpooler/src/com/android/printspooler/model/PrintSpoolerProvider.java
index 8537d6c..06723c3 100644
--- a/packages/PrintSpooler/src/com/android/printspooler/model/PrintSpoolerProvider.java
+++ b/packages/PrintSpooler/src/com/android/printspooler/model/PrintSpoolerProvider.java
@@ -20,9 +20,7 @@
 import android.content.Context;
 import android.content.Intent;
 import android.content.ServiceConnection;
-import android.os.Debug;
 import android.os.IBinder;
-import android.util.Log;
 
 public class PrintSpoolerProvider implements ServiceConnection {
     private final Context mContext;
diff --git a/packages/SettingsLib/src/com/android/settingslib/bluetooth/BluetoothDiscoverableTimeoutReceiver.java b/packages/SettingsLib/src/com/android/settingslib/bluetooth/BluetoothDiscoverableTimeoutReceiver.java
index acb7e7a..69b45e5 100644
--- a/packages/SettingsLib/src/com/android/settingslib/bluetooth/BluetoothDiscoverableTimeoutReceiver.java
+++ b/packages/SettingsLib/src/com/android/settingslib/bluetooth/BluetoothDiscoverableTimeoutReceiver.java
@@ -21,7 +21,6 @@
 import android.app.PendingIntent;
 import android.bluetooth.BluetoothAdapter;
 import android.content.BroadcastReceiver;
-import android.content.ContentResolver;
 import android.content.Context;
 import android.content.Intent;
 import android.util.Log;
diff --git a/packages/SettingsLib/src/com/android/settingslib/bluetooth/LocalBluetoothProfileManager.java b/packages/SettingsLib/src/com/android/settingslib/bluetooth/LocalBluetoothProfileManager.java
index b0a7b27..8f5e1f1 100644
--- a/packages/SettingsLib/src/com/android/settingslib/bluetooth/LocalBluetoothProfileManager.java
+++ b/packages/SettingsLib/src/com/android/settingslib/bluetooth/LocalBluetoothProfileManager.java
@@ -22,22 +22,16 @@
 import android.bluetooth.BluetoothMap;
 import android.bluetooth.BluetoothInputDevice;
 import android.bluetooth.BluetoothPan;
-import android.bluetooth.BluetoothPbap;
 import android.bluetooth.BluetoothProfile;
 import android.bluetooth.BluetoothUuid;
 import android.content.Context;
 import android.content.Intent;
 import android.os.ParcelUuid;
 import android.util.Log;
-import android.os.Handler;
-import android.os.Message;
-
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashMap;
 import java.util.Map;
-import java.util.Set;
-import java.util.List;
 
 /**
  * LocalBluetoothProfileManager provides access to the LocalBluetoothProfile
diff --git a/packages/SettingsLib/src/com/android/settingslib/bluetooth/PbapServerProfile.java b/packages/SettingsLib/src/com/android/settingslib/bluetooth/PbapServerProfile.java
index a552b24a..9e76933 100755
--- a/packages/SettingsLib/src/com/android/settingslib/bluetooth/PbapServerProfile.java
+++ b/packages/SettingsLib/src/com/android/settingslib/bluetooth/PbapServerProfile.java
@@ -16,7 +16,6 @@
 
 package com.android.settingslib.bluetooth;
 
-import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothClass;
 import android.bluetooth.BluetoothDevice;
 import android.bluetooth.BluetoothPbap;
@@ -28,9 +27,6 @@
 
 import com.android.settingslib.R;
 
-import java.util.HashMap;
-import java.util.List;
-
 /**
  * PBAPServer Profile
  */
diff --git a/packages/SystemUI/src/com/android/systemui/BatteryMeterView.java b/packages/SystemUI/src/com/android/systemui/BatteryMeterView.java
index f2f087f..9bb626d 100755
--- a/packages/SystemUI/src/com/android/systemui/BatteryMeterView.java
+++ b/packages/SystemUI/src/com/android/systemui/BatteryMeterView.java
@@ -24,7 +24,6 @@
 import android.content.res.TypedArray;
 import android.graphics.Canvas;
 import android.graphics.Color;
-import android.graphics.ColorFilter;
 import android.graphics.Paint;
 import android.graphics.Path;
 import android.graphics.PorterDuff;
diff --git a/packages/SystemUI/src/com/android/systemui/ExpandHelper.java b/packages/SystemUI/src/com/android/systemui/ExpandHelper.java
index d42ac61..aa7ce4e 100644
--- a/packages/SystemUI/src/com/android/systemui/ExpandHelper.java
+++ b/packages/SystemUI/src/com/android/systemui/ExpandHelper.java
@@ -22,7 +22,6 @@
 import android.animation.ObjectAnimator;
 import android.content.Context;
 import android.media.AudioAttributes;
-import android.media.AudioManager;
 import android.os.Vibrator;
 import android.util.Log;
 import android.view.Gravity;
diff --git a/packages/SystemUI/src/com/android/systemui/ImageWallpaper.java b/packages/SystemUI/src/com/android/systemui/ImageWallpaper.java
index 7c725b3..6888d0e 100644
--- a/packages/SystemUI/src/com/android/systemui/ImageWallpaper.java
+++ b/packages/SystemUI/src/com/android/systemui/ImageWallpaper.java
@@ -21,10 +21,8 @@
 
 import android.app.ActivityManager;
 import android.app.WallpaperManager;
-import android.content.BroadcastReceiver;
 import android.content.ComponentCallbacks2;
 import android.content.Context;
-import android.content.Intent;
 import android.graphics.Bitmap;
 import android.graphics.Canvas;
 import android.graphics.Point;
diff --git a/packages/SystemUI/src/com/android/systemui/ViewInvertHelper.java b/packages/SystemUI/src/com/android/systemui/ViewInvertHelper.java
index 2ff8f8a..eddf2b1 100644
--- a/packages/SystemUI/src/com/android/systemui/ViewInvertHelper.java
+++ b/packages/SystemUI/src/com/android/systemui/ViewInvertHelper.java
@@ -26,8 +26,6 @@
 import android.view.animation.AnimationUtils;
 import android.view.animation.Interpolator;
 
-import com.android.systemui.statusbar.phone.NotificationPanelView;
-
 /**
  * Helper to invert the colors of views and fade between the states.
  */
diff --git a/packages/SystemUI/src/com/android/systemui/egg/LLandActivity.java b/packages/SystemUI/src/com/android/systemui/egg/LLandActivity.java
index b9f8106..50221d3 100644
--- a/packages/SystemUI/src/com/android/systemui/egg/LLandActivity.java
+++ b/packages/SystemUI/src/com/android/systemui/egg/LLandActivity.java
@@ -18,7 +18,6 @@
 
 import android.app.Activity;
 import android.os.Bundle;
-import android.util.Log;
 import android.widget.TextView;
 
 import com.android.systemui.R;
diff --git a/packages/SystemUI/src/com/android/systemui/media/MediaProjectionPermissionActivity.java b/packages/SystemUI/src/com/android/systemui/media/MediaProjectionPermissionActivity.java
index c23f45d..88d0997 100644
--- a/packages/SystemUI/src/com/android/systemui/media/MediaProjectionPermissionActivity.java
+++ b/packages/SystemUI/src/com/android/systemui/media/MediaProjectionPermissionActivity.java
@@ -18,8 +18,6 @@
 
 import android.app.Activity;
 import android.app.AlertDialog;
-import android.app.PendingIntent;
-import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.pm.ApplicationInfo;
@@ -32,16 +30,10 @@
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.util.Log;
-import android.view.LayoutInflater;
 import android.view.WindowManager;
 import android.widget.CheckBox;
 import android.widget.CompoundButton;
-import android.widget.TextView;
-
-import com.android.internal.app.AlertActivity;
-import com.android.internal.app.AlertController;
 import com.android.systemui.R;
-import com.android.systemui.statusbar.phone.SystemUIDialog;
 
 public class MediaProjectionPermissionActivity extends Activity
         implements DialogInterface.OnClickListener, CheckBox.OnCheckedChangeListener,
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSFooter.java b/packages/SystemUI/src/com/android/systemui/qs/QSFooter.java
index a0b6e82..0ab644a 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSFooter.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSFooter.java
@@ -18,12 +18,10 @@
 import android.app.AlertDialog;
 import android.content.Context;
 import android.content.DialogInterface;
-import android.content.res.Configuration;
 import android.os.Handler;
 import android.os.Looper;
 import android.os.Message;
 import android.util.Log;
-import android.util.TypedValue;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.View.OnClickListener;
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java b/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
index 7f944f0..f4fd6a2 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
@@ -26,7 +26,6 @@
 import android.os.Handler;
 import android.os.Message;
 import android.util.AttributeSet;
-import android.util.TypedValue;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/UserDetailItemView.java b/packages/SystemUI/src/com/android/systemui/qs/tiles/UserDetailItemView.java
index c55cbccb..21c5c96 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tiles/UserDetailItemView.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/UserDetailItemView.java
@@ -28,7 +28,6 @@
 import android.graphics.Typeface;
 import android.graphics.drawable.Drawable;
 import android.util.AttributeSet;
-import android.util.TypedValue;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
diff --git a/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java b/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java
index e0b4c2f..1561f70 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java
@@ -18,7 +18,6 @@
 
 import android.app.Activity;
 import android.app.ActivityOptions;
-import android.app.Dialog;
 import android.app.SearchManager;
 import android.appwidget.AppWidgetHostView;
 import android.appwidget.AppWidgetManager;
diff --git a/packages/SystemUI/src/com/android/systemui/recents/model/RecentsTaskLoader.java b/packages/SystemUI/src/com/android/systemui/recents/model/RecentsTaskLoader.java
index 887aaba..3192fe6 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/model/RecentsTaskLoader.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/model/RecentsTaskLoader.java
@@ -33,7 +33,6 @@
 import com.android.systemui.recents.RecentsConfiguration;
 import com.android.systemui.recents.misc.SystemServicesProxy;
 
-import java.util.Collection;
 import java.util.concurrent.ConcurrentLinkedQueue;
 
 
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java b/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
index ea4c4ba..d46e41b 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
@@ -42,7 +42,6 @@
 import com.android.systemui.recents.model.TaskStack;
 
 import java.util.ArrayList;
-import java.util.Collections;
 import java.util.List;
 
 /**
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewHeader.java b/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewHeader.java
index 81e960a..ca08319 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewHeader.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewHeader.java
@@ -24,7 +24,6 @@
 import android.animation.ValueAnimator;
 import android.content.Context;
 import android.content.res.ColorStateList;
-import android.content.res.Resources;
 import android.graphics.Canvas;
 import android.graphics.Color;
 import android.graphics.Outline;
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewTransform.java b/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewTransform.java
index 42c0f9f..bba7682 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewTransform.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewTransform.java
@@ -21,7 +21,6 @@
 import android.view.View;
 import android.view.ViewPropertyAnimator;
 import android.view.animation.Interpolator;
-import com.android.systemui.recents.Constants;
 
 
 /* The transform state for a task view */
diff --git a/packages/SystemUI/src/com/android/systemui/settings/BrightnessDialog.java b/packages/SystemUI/src/com/android/systemui/settings/BrightnessDialog.java
index a1704ff..74267a5 100644
--- a/packages/SystemUI/src/com/android/systemui/settings/BrightnessDialog.java
+++ b/packages/SystemUI/src/com/android/systemui/settings/BrightnessDialog.java
@@ -17,11 +17,7 @@
 package com.android.systemui.settings;
 
 import android.app.Activity;
-import android.app.Dialog;
-import android.content.Context;
-import android.content.res.Resources;
 import android.os.Bundle;
-import android.os.Handler;
 import android.view.Gravity;
 import android.view.KeyEvent;
 import android.view.Window;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/AlphaOptimizedFrameLayout.java b/packages/SystemUI/src/com/android/systemui/statusbar/AlphaOptimizedFrameLayout.java
index a835c0e..359272e 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/AlphaOptimizedFrameLayout.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/AlphaOptimizedFrameLayout.java
@@ -19,7 +19,6 @@
 import android.content.Context;
 import android.util.AttributeSet;
 import android.widget.FrameLayout;
-import android.widget.LinearLayout;
 
 /**
  * A frame layout which does not have overlapping renderings commands and therefore does not need a
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/AlphaOptimizedImageView.java b/packages/SystemUI/src/com/android/systemui/statusbar/AlphaOptimizedImageView.java
index 094161d..858c118 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/AlphaOptimizedImageView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/AlphaOptimizedImageView.java
@@ -18,7 +18,6 @@
 
 import android.content.Context;
 import android.util.AttributeSet;
-import android.view.View;
 import android.widget.ImageView;
 
 /**
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/DismissViewButton.java b/packages/SystemUI/src/com/android/systemui/statusbar/DismissViewButton.java
index f2a5673..00665f4 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/DismissViewButton.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/DismissViewButton.java
@@ -21,12 +21,9 @@
 import android.graphics.Rect;
 import android.graphics.drawable.AnimatedVectorDrawable;
 import android.graphics.drawable.Drawable;
-import android.os.SystemClock;
 import android.util.AttributeSet;
-import android.view.Choreographer;
 import android.view.View;
 import android.view.ViewGroup;
-import android.view.ViewRootImpl;
 import android.widget.Button;
 import com.android.systemui.R;
 import com.android.systemui.statusbar.stack.NotificationStackScrollLayout;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/EmptyShadeView.java b/packages/SystemUI/src/com/android/systemui/statusbar/EmptyShadeView.java
index 0825aa3..5db0699 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/EmptyShadeView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/EmptyShadeView.java
@@ -20,11 +20,9 @@
 import android.content.res.Configuration;
 import android.util.AttributeSet;
 import android.view.View;
-import android.view.animation.Interpolator;
 import android.widget.TextView;
 
 import com.android.systemui.R;
-import com.android.systemui.statusbar.phone.PhoneStatusBar;
 
 public class EmptyShadeView extends StackScrollerDecorView {
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/FlingAnimationUtils.java b/packages/SystemUI/src/com/android/systemui/statusbar/FlingAnimationUtils.java
index 9f0f84e..0fa088b 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/FlingAnimationUtils.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/FlingAnimationUtils.java
@@ -17,7 +17,6 @@
 package com.android.systemui.statusbar;
 
 import android.animation.Animator;
-import android.animation.ValueAnimator;
 import android.content.Context;
 import android.view.ViewPropertyAnimator;
 import android.view.animation.AnimationUtils;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationContentView.java b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationContentView.java
index 914b3d8..70c270c 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationContentView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationContentView.java
@@ -17,21 +17,16 @@
 package com.android.systemui.statusbar;
 
 import android.content.Context;
-import android.graphics.ColorFilter;
-import android.graphics.ColorMatrix;
-import android.graphics.ColorMatrixColorFilter;
 import android.graphics.Paint;
 import android.graphics.PorterDuff;
 import android.graphics.PorterDuffXfermode;
 import android.graphics.Rect;
-import android.graphics.drawable.Drawable;
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.ViewTreeObserver;
 import android.view.animation.Interpolator;
 import android.view.animation.LinearInterpolator;
 import android.widget.FrameLayout;
-import android.widget.ImageView;
 import com.android.systemui.R;
 
 /**
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationOverflowIconsView.java b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationOverflowIconsView.java
index c4c9dac..da8ef3e 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationOverflowIconsView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationOverflowIconsView.java
@@ -18,7 +18,6 @@
 
 import android.app.Notification;
 import android.content.Context;
-import android.content.res.Configuration;
 import android.graphics.PorterDuff;
 import android.util.AttributeSet;
 import android.widget.ImageView;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationViewWrapper.java b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationViewWrapper.java
index 78b9739..44e8b85 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationViewWrapper.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationViewWrapper.java
@@ -19,8 +19,6 @@
 import android.content.Context;
 import android.view.View;
 
-import com.android.internal.R;
-
 /**
  * Wraps the actual notification content view; used to implement behaviors which are different for
  * the individual templates and custom views.
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardPreviewContainer.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardPreviewContainer.java
index 7579039..287bb73 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardPreviewContainer.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardPreviewContainer.java
@@ -20,7 +20,6 @@
 import android.graphics.Canvas;
 import android.graphics.Color;
 import android.graphics.ColorFilter;
-import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
 import android.util.AttributeSet;
 import android.view.WindowInsets;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardStatusBarView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardStatusBarView.java
index 40c9134..13b3898 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardStatusBarView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardStatusBarView.java
@@ -16,7 +16,6 @@
 
 package com.android.systemui.statusbar.phone;
 
-import android.animation.LayoutTransition;
 import android.content.Context;
 import android.content.res.Configuration;
 import android.graphics.drawable.Drawable;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarTransitions.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarTransitions.java
index b4a80f0..a712d29 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarTransitions.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarTransitions.java
@@ -26,7 +26,6 @@
 
 import com.android.internal.statusbar.IStatusBarService;
 import com.android.systemui.R;
-import com.android.systemui.statusbar.policy.KeyButtonView;
 
 public final class NavigationBarTransitions extends BarTransitions {
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java
index 0d60e355..12ff399 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java
@@ -50,8 +50,6 @@
 import com.android.systemui.statusbar.BaseStatusBar;
 import com.android.systemui.statusbar.DelegateViewHelper;
 import com.android.systemui.statusbar.policy.DeadZone;
-import com.android.systemui.statusbar.policy.KeyButtonView;
-
 import java.io.FileDescriptor;
 import java.io.PrintWriter;
 import java.util.ArrayList;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationsQuickSettingsContainer.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationsQuickSettingsContainer.java
index e7b0c4c..a03c297 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationsQuickSettingsContainer.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationsQuickSettingsContainer.java
@@ -18,7 +18,6 @@
 
 import android.content.Context;
 import android.graphics.Canvas;
-import android.graphics.Rect;
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.ViewStub;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarIconController.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarIconController.java
index 3bdf94a..798467f 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarIconController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarIconController.java
@@ -24,7 +24,6 @@
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.SystemClock;
-import android.util.Log;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.animation.AnimationUtils;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/VelocityTrackerFactory.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/VelocityTrackerFactory.java
index 4f43b4d..e153b85 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/VelocityTrackerFactory.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/VelocityTrackerFactory.java
@@ -20,8 +20,6 @@
 
 import com.android.systemui.R;
 
-import static android.util.Pools.SynchronizedPool;
-
 /**
  * A class to generate {@link VelocityTrackerInterface}, depending on the configuration.
  */
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/AccessibilityController.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/AccessibilityController.java
index 89ed787..cc431dd 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/AccessibilityController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/AccessibilityController.java
@@ -17,7 +17,6 @@
 package com.android.systemui.statusbar.policy;
 
 import android.content.Context;
-import android.util.Log;
 import android.view.accessibility.AccessibilityManager;
 
 import java.io.FileDescriptor;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/FlashlightController.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/FlashlightController.java
index 33f7aff..c9ba8f6 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/FlashlightController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/FlashlightController.java
@@ -28,7 +28,6 @@
 import android.os.Handler;
 import android.os.HandlerThread;
 import android.os.Process;
-import android.os.SystemProperties;
 import android.util.Log;
 import android.util.Size;
 import android.view.Surface;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/HeadsUpNotificationView.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/HeadsUpNotificationView.java
index 1566cd1..67537f9 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/HeadsUpNotificationView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/HeadsUpNotificationView.java
@@ -25,9 +25,6 @@
 import android.os.SystemClock;
 import android.provider.Settings;
 import android.util.ArrayMap;
-import android.graphics.Outline;
-import android.graphics.Rect;
-import android.os.SystemClock;
 import android.util.AttributeSet;
 import android.util.Log;
 import android.view.MotionEvent;
@@ -50,7 +47,6 @@
 
 import java.io.FileDescriptor;
 import java.io.PrintWriter;
-import java.util.ArrayList;
 
 public class HeadsUpNotificationView extends FrameLayout implements SwipeHelper.Callback, ExpandHelper.Callback,
         ViewTreeObserver.OnComputeInternalInsetsListener {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/KeyButtonView.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/KeyButtonView.java
index a6becef..a18daed 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/KeyButtonView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/KeyButtonView.java
@@ -16,8 +16,6 @@
 
 package com.android.systemui.statusbar.policy;
 
-import android.animation.Animator;
-import android.animation.ObjectAnimator;
 import android.app.ActivityManager;
 import android.content.Context;
 import android.content.res.TypedArray;
@@ -26,7 +24,6 @@
 import android.os.Bundle;
 import android.os.SystemClock;
 import android.util.AttributeSet;
-import android.util.Log;
 import android.view.HapticFeedbackConstants;
 import android.view.InputDevice;
 import android.view.KeyCharacterMap;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/KeyguardUserSwitcherScrim.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/KeyguardUserSwitcherScrim.java
index a5fc2fe..68ddfa6 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/KeyguardUserSwitcherScrim.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/KeyguardUserSwitcherScrim.java
@@ -19,7 +19,6 @@
 import android.graphics.Canvas;
 import android.graphics.Color;
 import android.graphics.ColorFilter;
-import android.graphics.LightingColorFilter;
 import android.graphics.Paint;
 import android.graphics.PixelFormat;
 import android.graphics.RadialGradient;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/PreviewInflater.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/PreviewInflater.java
index 030cd6d..34068fd 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/PreviewInflater.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/PreviewInflater.java
@@ -20,7 +20,6 @@
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
-import android.os.UserHandle;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
diff --git a/packages/VpnDialogs/src/com/android/vpndialogs/ConfirmDialog.java b/packages/VpnDialogs/src/com/android/vpndialogs/ConfirmDialog.java
index 897c96cf..ea8b2ec 100644
--- a/packages/VpnDialogs/src/com/android/vpndialogs/ConfirmDialog.java
+++ b/packages/VpnDialogs/src/com/android/vpndialogs/ConfirmDialog.java
@@ -18,13 +18,8 @@
 
 import android.content.Context;
 import android.content.DialogInterface;
-import android.content.Intent;
-import android.content.pm.ApplicationInfo;
-import android.content.pm.PackageManager;
-import android.content.pm.ResolveInfo;
 import android.graphics.drawable.Drawable;
 import android.net.IConnectivityManager;
-import android.net.VpnService;
 import android.os.ServiceManager;
 import android.text.Html;
 import android.text.Html.ImageGetter;
@@ -36,8 +31,6 @@
 import com.android.internal.app.AlertActivity;
 import com.android.internal.net.VpnConfig;
 
-import java.util.List;
-
 public class ConfirmDialog extends AlertActivity
         implements DialogInterface.OnClickListener, ImageGetter {
     private static final String TAG = "VpnConfirm";
diff --git a/packages/WallpaperCropper/src/com/android/wallpapercropper/WallpaperCropActivity.java b/packages/WallpaperCropper/src/com/android/wallpapercropper/WallpaperCropActivity.java
index 57b0731..a319beb 100644
--- a/packages/WallpaperCropper/src/com/android/wallpapercropper/WallpaperCropActivity.java
+++ b/packages/WallpaperCropper/src/com/android/wallpapercropper/WallpaperCropActivity.java
@@ -21,7 +21,6 @@
 import android.app.WallpaperManager;
 import android.content.Context;
 import android.content.Intent;
-import android.content.SharedPreferences;
 import android.content.res.Configuration;
 import android.content.res.Resources;
 import android.graphics.Bitmap;
diff --git a/rs/java/android/renderscript/RenderScript.java b/rs/java/android/renderscript/RenderScript.java
index 417bfe2..33ecb96 100644
--- a/rs/java/android/renderscript/RenderScript.java
+++ b/rs/java/android/renderscript/RenderScript.java
@@ -24,7 +24,6 @@
 import android.content.res.AssetManager;
 import android.graphics.Bitmap;
 import android.graphics.SurfaceTexture;
-import android.os.Process;
 import android.util.Log;
 import android.view.Surface;
 import android.os.SystemProperties;
diff --git a/services/core/java/com/android/server/AssetAtlasService.java b/services/core/java/com/android/server/AssetAtlasService.java
index bc31450..a2c87b9 100644
--- a/services/core/java/com/android/server/AssetAtlasService.java
+++ b/services/core/java/com/android/server/AssetAtlasService.java
@@ -46,7 +46,6 @@
 import java.io.InputStreamReader;
 import java.io.OutputStreamWriter;
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Comparator;
diff --git a/services/core/java/com/android/server/BluetoothManagerService.java b/services/core/java/com/android/server/BluetoothManagerService.java
index 32a6a2f..ef51ad6 100644
--- a/services/core/java/com/android/server/BluetoothManagerService.java
+++ b/services/core/java/com/android/server/BluetoothManagerService.java
@@ -55,8 +55,6 @@
 
 import java.util.HashMap;
 import java.util.Map;
-import java.util.List;
-import java.util.Vector;
 
 class BluetoothManagerService extends IBluetoothManager.Stub {
     private static final String TAG = "BluetoothManagerService";
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index b72b29d..7a9bbd6 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -16,7 +16,6 @@
 
 package com.android.server;
 
-import static android.Manifest.permission.MANAGE_NETWORK_POLICY;
 import static android.Manifest.permission.RECEIVE_DATA_ACTIVITY_CHANGE;
 import static android.net.ConnectivityManager.CONNECTIVITY_ACTION;
 import static android.net.ConnectivityManager.CONNECTIVITY_ACTION_IMMEDIATE;
diff --git a/services/core/java/com/android/server/LocationManagerService.java b/services/core/java/com/android/server/LocationManagerService.java
index eca6ec7..16834855 100644
--- a/services/core/java/com/android/server/LocationManagerService.java
+++ b/services/core/java/com/android/server/LocationManagerService.java
@@ -60,8 +60,6 @@
 import android.location.Criteria;
 import android.location.GeocoderParams;
 import android.location.Geofence;
-import android.location.GpsMeasurementsEvent;
-import android.location.GpsNavigationMessageEvent;
 import android.location.IGpsMeasurementsListener;
 import android.location.IGpsNavigationMessageListener;
 import android.location.IGpsStatusListener;
diff --git a/services/core/java/com/android/server/LockSettingsService.java b/services/core/java/com/android/server/LockSettingsService.java
index c189fea..53c87a2 100644
--- a/services/core/java/com/android/server/LockSettingsService.java
+++ b/services/core/java/com/android/server/LockSettingsService.java
@@ -51,7 +51,6 @@
 import com.android.internal.widget.ILockSettings;
 import com.android.internal.widget.LockPatternUtils;
 
-import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
diff --git a/services/core/java/com/android/server/MidiService.java b/services/core/java/com/android/server/MidiService.java
index 04911fa..59b82da 100644
--- a/services/core/java/com/android/server/MidiService.java
+++ b/services/core/java/com/android/server/MidiService.java
@@ -24,7 +24,6 @@
 import android.os.Binder;
 import android.os.Bundle;
 import android.os.IBinder;
-import android.os.ParcelFileDescriptor;
 import android.os.Process;
 import android.os.RemoteException;
 import android.util.Log;
diff --git a/services/core/java/com/android/server/NetworkTimeUpdateService.java b/services/core/java/com/android/server/NetworkTimeUpdateService.java
index d6abce9..a0d305c 100644
--- a/services/core/java/com/android/server/NetworkTimeUpdateService.java
+++ b/services/core/java/com/android/server/NetworkTimeUpdateService.java
@@ -25,7 +25,6 @@
 import android.content.IntentFilter;
 import android.database.ContentObserver;
 import android.net.ConnectivityManager;
-import android.net.NetworkInfo;
 import android.os.Handler;
 import android.os.HandlerThread;
 import android.os.Looper;
diff --git a/services/core/java/com/android/server/NsdService.java b/services/core/java/com/android/server/NsdService.java
index 39aa972..f4c6225 100644
--- a/services/core/java/com/android/server/NsdService.java
+++ b/services/core/java/com/android/server/NsdService.java
@@ -38,7 +38,6 @@
 import java.io.UnsupportedEncodingException;
 import java.net.InetAddress;
 import java.util.HashMap;
-import java.util.List;
 import java.util.Locale;
 import java.util.Map;
 import java.util.concurrent.CountDownLatch;
diff --git a/services/core/java/com/android/server/WiredAccessoryManager.java b/services/core/java/com/android/server/WiredAccessoryManager.java
index c9a83ec..0de8c8d 100644
--- a/services/core/java/com/android/server/WiredAccessoryManager.java
+++ b/services/core/java/com/android/server/WiredAccessoryManager.java
@@ -16,10 +16,7 @@
 
 package com.android.server;
 
-import android.content.BroadcastReceiver;
 import android.content.Context;
-import android.content.Intent;
-import android.content.IntentFilter;
 import android.os.Handler;
 import android.os.Looper;
 import android.os.Message;
diff --git a/services/core/java/com/android/server/am/AppBindRecord.java b/services/core/java/com/android/server/am/AppBindRecord.java
index 65273c9..df833ad 100644
--- a/services/core/java/com/android/server/am/AppBindRecord.java
+++ b/services/core/java/com/android/server/am/AppBindRecord.java
@@ -19,7 +19,6 @@
 import android.util.ArraySet;
 
 import java.io.PrintWriter;
-import java.util.Iterator;
 
 /**
  * An association between a service and one of its client applications.
diff --git a/services/core/java/com/android/server/am/BatteryStatsService.java b/services/core/java/com/android/server/am/BatteryStatsService.java
index c0928c7..a4602a1 100644
--- a/services/core/java/com/android/server/am/BatteryStatsService.java
+++ b/services/core/java/com/android/server/am/BatteryStatsService.java
@@ -46,7 +46,6 @@
 
 import java.io.File;
 import java.io.FileDescriptor;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.PrintWriter;
 import java.util.List;
diff --git a/services/core/java/com/android/server/am/BroadcastQueue.java b/services/core/java/com/android/server/am/BroadcastQueue.java
index 6a29d85..5083b1d 100644
--- a/services/core/java/com/android/server/am/BroadcastQueue.java
+++ b/services/core/java/com/android/server/am/BroadcastQueue.java
@@ -27,7 +27,6 @@
 import android.content.IIntentReceiver;
 import android.content.Intent;
 import android.content.pm.ActivityInfo;
-import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.os.Bundle;
@@ -40,7 +39,6 @@
 import android.os.SystemClock;
 import android.os.UserHandle;
 import android.util.EventLog;
-import android.util.Log;
 import android.util.Slog;
 
 /**
diff --git a/services/core/java/com/android/server/am/CoreSettingsObserver.java b/services/core/java/com/android/server/am/CoreSettingsObserver.java
index d1682b8..9dd07a9 100644
--- a/services/core/java/com/android/server/am/CoreSettingsObserver.java
+++ b/services/core/java/com/android/server/am/CoreSettingsObserver.java
@@ -21,9 +21,6 @@
 import android.net.Uri;
 import android.os.Bundle;
 import android.provider.Settings;
-import android.provider.Settings.SettingNotFoundException;
-import android.util.Log;
-
 import java.util.HashMap;
 import java.util.Map;
 
diff --git a/services/core/java/com/android/server/am/UriPermission.java b/services/core/java/com/android/server/am/UriPermission.java
index 650a837..6e371c1 100644
--- a/services/core/java/com/android/server/am/UriPermission.java
+++ b/services/core/java/com/android/server/am/UriPermission.java
@@ -19,7 +19,6 @@
 import android.content.Intent;
 import android.os.UserHandle;
 import android.util.ArraySet;
-import android.util.Log;
 import android.util.Slog;
 
 import com.android.server.am.ActivityManagerService.GrantUri;
diff --git a/services/core/java/com/android/server/am/UriPermissionOwner.java b/services/core/java/com/android/server/am/UriPermissionOwner.java
index ae83940..28344df 100644
--- a/services/core/java/com/android/server/am/UriPermissionOwner.java
+++ b/services/core/java/com/android/server/am/UriPermissionOwner.java
@@ -17,7 +17,6 @@
 package com.android.server.am;
 
 import android.content.Intent;
-import android.net.Uri;
 import android.os.Binder;
 import android.os.IBinder;
 import android.util.ArraySet;
diff --git a/services/core/java/com/android/server/audio/AudioService.java b/services/core/java/com/android/server/audio/AudioService.java
index 473f5db..ce51969 100644
--- a/services/core/java/com/android/server/audio/AudioService.java
+++ b/services/core/java/com/android/server/audio/AudioService.java
@@ -54,7 +54,6 @@
 import android.media.AudioManagerInternal;
 import android.media.AudioPort;
 import android.media.AudioRoutesInfo;
-import android.media.AudioSystem;
 import android.media.IAudioFocusDispatcher;
 import android.media.IAudioRoutesObserver;
 import android.media.IAudioService;
@@ -63,14 +62,8 @@
 import android.media.IVolumeController;
 import android.media.MediaPlayer;
 import android.media.SoundPool;
-import android.media.AudioAttributes.Builder;
-import android.media.AudioManagerInternal.RingerModeDelegate;
-import android.media.AudioSystem.ErrorCallback;
-import android.media.IAudioService.Stub;
 import android.media.MediaPlayer.OnCompletionListener;
 import android.media.MediaPlayer.OnErrorListener;
-import android.media.SoundPool.OnLoadCompleteListener;
-import android.media.audiopolicy.AudioMix;
 import android.media.audiopolicy.AudioPolicy;
 import android.media.audiopolicy.AudioPolicyConfig;
 import android.media.audiopolicy.IAudioPolicyCallback;
diff --git a/services/core/java/com/android/server/audio/MediaFocusControl.java b/services/core/java/com/android/server/audio/MediaFocusControl.java
index 24e1ace..e945d0e 100644
--- a/services/core/java/com/android/server/audio/MediaFocusControl.java
+++ b/services/core/java/com/android/server/audio/MediaFocusControl.java
@@ -29,7 +29,6 @@
 import android.content.ContentResolver;
 import android.content.Context;
 import android.content.Intent;
-import android.content.IntentFilter;
 import android.content.pm.PackageManager;
 import android.database.ContentObserver;
 import android.media.AudioAttributes;
@@ -37,12 +36,10 @@
 import android.media.AudioManager;
 import android.media.AudioSystem;
 import android.media.IAudioFocusDispatcher;
-import android.media.IAudioService;
 import android.media.IRemoteControlClient;
 import android.media.IRemoteControlDisplay;
 import android.media.IRemoteVolumeObserver;
 import android.media.RemoteControlClient;
-import android.media.AudioManager.OnAudioFocusChangeListener;
 import android.media.audiopolicy.IAudioPolicyCallback;
 import android.net.Uri;
 import android.os.Binder;
@@ -54,7 +51,6 @@
 import android.os.PowerManager;
 import android.os.RemoteException;
 import android.os.UserHandle;
-import android.os.IBinder.DeathRecipient;
 import android.provider.Settings;
 import android.speech.RecognizerIntent;
 import android.telephony.PhoneStateListener;
diff --git a/services/core/java/com/android/server/audio/PlayerRecord.java b/services/core/java/com/android/server/audio/PlayerRecord.java
index a7dbbd1..e98f12e 100644
--- a/services/core/java/com/android/server/audio/PlayerRecord.java
+++ b/services/core/java/com/android/server/audio/PlayerRecord.java
@@ -22,7 +22,6 @@
 import android.media.IRemoteControlClient;
 import android.media.IRemoteVolumeObserver;
 import android.media.RemoteControlClient;
-import android.os.Binder;
 import android.os.IBinder;
 import android.os.IBinder.DeathRecipient;
 import android.os.RemoteException;
diff --git a/services/core/java/com/android/server/connectivity/Nat464Xlat.java b/services/core/java/com/android/server/connectivity/Nat464Xlat.java
index 3fa21d0..a9eaeee 100644
--- a/services/core/java/com/android/server/connectivity/Nat464Xlat.java
+++ b/services/core/java/com/android/server/connectivity/Nat464Xlat.java
@@ -22,16 +22,13 @@
 import java.net.Inet4Address;
 
 import android.content.Context;
-import android.net.IConnectivityManager;
 import android.net.InterfaceConfiguration;
 import android.net.LinkAddress;
 import android.net.LinkProperties;
 import android.net.NetworkAgent;
-import android.net.NetworkUtils;
 import android.net.RouteInfo;
 import android.os.Handler;
 import android.os.Message;
-import android.os.Messenger;
 import android.os.INetworkManagementService;
 import android.os.RemoteException;
 import android.util.Slog;
diff --git a/services/core/java/com/android/server/connectivity/NetworkMonitor.java b/services/core/java/com/android/server/connectivity/NetworkMonitor.java
index 87f78c1..d0e1665 100644
--- a/services/core/java/com/android/server/connectivity/NetworkMonitor.java
+++ b/services/core/java/com/android/server/connectivity/NetworkMonitor.java
@@ -24,9 +24,6 @@
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.net.ConnectivityManager;
-import android.net.Network;
-import android.net.NetworkCapabilities;
-import android.net.NetworkInfo;
 import android.net.NetworkRequest;
 import android.net.ProxyInfo;
 import android.net.TrafficStats;
@@ -54,7 +51,6 @@
 import com.android.internal.util.Protocol;
 import com.android.internal.util.State;
 import com.android.internal.util.StateMachine;
-import com.android.server.ConnectivityService;
 import com.android.server.connectivity.NetworkAgentInfo;
 
 import java.io.IOException;
diff --git a/services/core/java/com/android/server/connectivity/Tethering.java b/services/core/java/com/android/server/connectivity/Tethering.java
index 9566f93..253c196 100644
--- a/services/core/java/com/android/server/connectivity/Tethering.java
+++ b/services/core/java/com/android/server/connectivity/Tethering.java
@@ -40,9 +40,7 @@
 import android.os.INetworkManagementService;
 import android.os.Looper;
 import android.os.Message;
-import android.os.RemoteException;
 import android.os.UserHandle;
-import android.provider.Settings;
 import android.telephony.TelephonyManager;
 import android.util.Log;
 
diff --git a/services/core/java/com/android/server/connectivity/Vpn.java b/services/core/java/com/android/server/connectivity/Vpn.java
index 709ca4b..ad38ab8 100644
--- a/services/core/java/com/android/server/connectivity/Vpn.java
+++ b/services/core/java/com/android/server/connectivity/Vpn.java
@@ -17,12 +17,8 @@
 package com.android.server.connectivity;
 
 import static android.Manifest.permission.BIND_VPN_SERVICE;
-import static android.os.UserHandle.PER_USER_RANGE;
 import static android.net.RouteInfo.RTN_THROW;
 import static android.net.RouteInfo.RTN_UNREACHABLE;
-import static android.system.OsConstants.AF_INET;
-import static android.system.OsConstants.AF_INET6;
-
 import android.Manifest;
 import android.app.AppGlobals;
 import android.app.AppOpsManager;
@@ -33,7 +29,6 @@
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.ServiceConnection;
-import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.content.pm.ResolveInfo;
diff --git a/services/core/java/com/android/server/content/ContentService.java b/services/core/java/com/android/server/content/ContentService.java
index 165148b..ea461e5 100644
--- a/services/core/java/com/android/server/content/ContentService.java
+++ b/services/core/java/com/android/server/content/ContentService.java
@@ -25,7 +25,6 @@
 import android.content.IContentService;
 import android.content.ISyncStatusObserver;
 import android.content.PeriodicSync;
-import android.content.pm.PackageManager;
 import android.content.SyncAdapterType;
 import android.content.SyncInfo;
 import android.content.SyncRequest;
diff --git a/services/core/java/com/android/server/display/ColorFade.java b/services/core/java/com/android/server/display/ColorFade.java
index 4e075c3..bb4dbc3 100644
--- a/services/core/java/com/android/server/display/ColorFade.java
+++ b/services/core/java/com/android/server/display/ColorFade.java
@@ -25,7 +25,6 @@
 import java.nio.FloatBuffer;
 
 import android.content.Context;
-import android.content.res.Resources;
 import android.graphics.PixelFormat;
 import android.graphics.SurfaceTexture;
 import android.hardware.display.DisplayManagerInternal;
@@ -47,7 +46,6 @@
 import libcore.io.Streams;
 
 import com.android.server.LocalServices;
-import com.android.internal.R;
 
 /**
  * <p>
diff --git a/services/core/java/com/android/server/display/DisplayPowerState.java b/services/core/java/com/android/server/display/DisplayPowerState.java
index fc068af..c97bdb6 100644
--- a/services/core/java/com/android/server/display/DisplayPowerState.java
+++ b/services/core/java/com/android/server/display/DisplayPowerState.java
@@ -19,7 +19,6 @@
 import com.android.server.lights.Light;
 
 import android.content.Context;
-import android.os.AsyncTask;
 import android.os.Handler;
 import android.os.Looper;
 import android.os.PowerManager;
diff --git a/services/core/java/com/android/server/fingerprint/FingerprintService.java b/services/core/java/com/android/server/fingerprint/FingerprintService.java
index c44e39d..2ac6ccc 100644
--- a/services/core/java/com/android/server/fingerprint/FingerprintService.java
+++ b/services/core/java/com/android/server/fingerprint/FingerprintService.java
@@ -16,18 +16,12 @@
 
 package com.android.server.fingerprint;
 
-import android.app.Service;
-import android.content.ContentResolver;
 import android.content.Context;
-import android.content.Intent;
-import android.content.pm.PackageManager;
 import android.os.Handler;
 import android.os.IBinder;
 import android.os.Looper;
 import android.os.MessageQueue;
-import android.os.PowerManager;
 import android.os.RemoteException;
-import android.provider.Settings;
 import android.service.fingerprint.FingerprintManager;
 import android.util.ArrayMap;
 import android.util.Slog;
@@ -40,11 +34,7 @@
 import static android.Manifest.permission.MANAGE_FINGERPRINT;
 import static android.Manifest.permission.USE_FINGERPRINT;
 
-import java.io.PrintWriter;
 import java.lang.ref.WeakReference;
-import java.util.HashMap;
-import java.util.Map.Entry;
-import java.util.Set;
 
 /**
  * A service to manage multiple clients that want to access the fingerprint HAL API.
diff --git a/services/core/java/com/android/server/hdmi/DelayedMessageBuffer.java b/services/core/java/com/android/server/hdmi/DelayedMessageBuffer.java
index 77ffe0b..2c1a7d5 100644
--- a/services/core/java/com/android/server/hdmi/DelayedMessageBuffer.java
+++ b/services/core/java/com/android/server/hdmi/DelayedMessageBuffer.java
@@ -17,8 +17,6 @@
 package com.android.server.hdmi;
 
 import android.hardware.hdmi.HdmiDeviceInfo;
-import android.util.Slog;
-
 import java.util.ArrayList;
 import java.util.Iterator;
 
diff --git a/services/core/java/com/android/server/hdmi/HdmiCecLocalDeviceTv.java b/services/core/java/com/android/server/hdmi/HdmiCecLocalDeviceTv.java
index cfc9132..82c99f78 100644
--- a/services/core/java/com/android/server/hdmi/HdmiCecLocalDeviceTv.java
+++ b/services/core/java/com/android/server/hdmi/HdmiCecLocalDeviceTv.java
@@ -30,8 +30,6 @@
 import static android.hardware.hdmi.HdmiControlManager.TIMER_RECORDING_TYPE_DIGITAL;
 import static android.hardware.hdmi.HdmiControlManager.TIMER_RECORDING_TYPE_EXTERNAL;
 
-import android.annotation.Nullable;
-import android.content.Context;
 import android.hardware.hdmi.HdmiControlManager;
 import android.hardware.hdmi.HdmiDeviceInfo;
 import android.hardware.hdmi.HdmiPortInfo;
@@ -41,10 +39,8 @@
 import android.media.AudioManager;
 import android.media.AudioSystem;
 import android.media.tv.TvInputInfo;
-import android.media.tv.TvInputManager;
 import android.media.tv.TvInputManager.TvInputCallback;
 import android.os.RemoteException;
-import android.os.SystemProperties;
 import android.provider.Settings.Global;
 import android.util.ArraySet;
 import android.util.Slog;
@@ -55,8 +51,6 @@
 import com.android.server.hdmi.DeviceDiscoveryAction.DeviceDiscoveryCallback;
 import com.android.server.hdmi.HdmiAnnotations.ServiceThreadOnly;
 import com.android.server.hdmi.HdmiControlService.SendMessageCallback;
-import com.android.server.SystemService;
-
 import java.io.UnsupportedEncodingException;
 import java.util.ArrayList;
 import java.util.Arrays;
diff --git a/services/core/java/com/android/server/hdmi/HdmiMhlControllerStub.java b/services/core/java/com/android/server/hdmi/HdmiMhlControllerStub.java
index 3883200..f19b19b 100644
--- a/services/core/java/com/android/server/hdmi/HdmiMhlControllerStub.java
+++ b/services/core/java/com/android/server/hdmi/HdmiMhlControllerStub.java
@@ -20,7 +20,6 @@
 import android.util.SparseArray;
 
 import com.android.internal.util.IndentingPrintWriter;
-import com.android.server.hdmi.HdmiControlService.SendMessageCallback;
 
 /**
  * A handler class for MHL control command. It converts user's command into MHL command and pass it
diff --git a/services/core/java/com/android/server/hdmi/RequestArcAction.java b/services/core/java/com/android/server/hdmi/RequestArcAction.java
index 31322a9..cbbf91b6 100644
--- a/services/core/java/com/android/server/hdmi/RequestArcAction.java
+++ b/services/core/java/com/android/server/hdmi/RequestArcAction.java
@@ -17,7 +17,6 @@
 package com.android.server.hdmi;
 
 import android.hardware.hdmi.HdmiDeviceInfo;
-import android.util.Slog;
 
 /**
  * Base feature action class for &lt;Request ARC Initiation&gt;/&lt;Request ARC Termination&gt;.
diff --git a/services/core/java/com/android/server/job/controllers/IdleController.java b/services/core/java/com/android/server/job/controllers/IdleController.java
index 7b71027..8e2ca18 100644
--- a/services/core/java/com/android/server/job/controllers/IdleController.java
+++ b/services/core/java/com/android/server/job/controllers/IdleController.java
@@ -22,7 +22,6 @@
 import android.app.AlarmManager;
 import android.app.PendingIntent;
 import android.content.BroadcastReceiver;
-import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
diff --git a/services/core/java/com/android/server/job/controllers/StateController.java b/services/core/java/com/android/server/job/controllers/StateController.java
index ca56886..7d76fc0 100644
--- a/services/core/java/com/android/server/job/controllers/StateController.java
+++ b/services/core/java/com/android/server/job/controllers/StateController.java
@@ -18,7 +18,6 @@
 
 import android.content.Context;
 
-import com.android.server.job.JobSchedulerService;
 import com.android.server.job.StateChangedListener;
 
 import java.io.PrintWriter;
diff --git a/services/core/java/com/android/server/location/GpsLocationProvider.java b/services/core/java/com/android/server/location/GpsLocationProvider.java
index 65693b4..7c41abbc 100644
--- a/services/core/java/com/android/server/location/GpsLocationProvider.java
+++ b/services/core/java/com/android/server/location/GpsLocationProvider.java
@@ -22,7 +22,6 @@
 import com.android.internal.location.GpsNetInitiatedHandler.GpsNiNotification;
 import com.android.internal.location.ProviderProperties;
 import com.android.internal.location.ProviderRequest;
-import com.android.internal.R;
 import com.android.internal.telephony.Phone;
 import com.android.internal.telephony.PhoneConstants;
 
diff --git a/services/core/java/com/android/server/location/GpsXtraDownloader.java b/services/core/java/com/android/server/location/GpsXtraDownloader.java
index c820a43..3585049 100644
--- a/services/core/java/com/android/server/location/GpsXtraDownloader.java
+++ b/services/core/java/com/android/server/location/GpsXtraDownloader.java
@@ -16,13 +16,11 @@
 
 package com.android.server.location;
 
-import android.content.Context;
 import android.text.TextUtils;
 import android.util.Log;
 
 import java.net.HttpURLConnection;
 import java.net.URL;
-import libcore.io.IoUtils;
 import libcore.io.Streams;
 
 import java.io.IOException;
diff --git a/services/core/java/com/android/server/media/MediaSessionRecord.java b/services/core/java/com/android/server/media/MediaSessionRecord.java
index df31158..3345e46 100644
--- a/services/core/java/com/android/server/media/MediaSessionRecord.java
+++ b/services/core/java/com/android/server/media/MediaSessionRecord.java
@@ -17,7 +17,6 @@
 package com.android.server.media;
 
 import android.app.PendingIntent;
-import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.ParceledListSlice;
@@ -38,11 +37,9 @@
 import android.media.session.MediaController;
 import android.media.session.MediaController.PlaybackInfo;
 import android.media.session.MediaSession;
-import android.media.session.MediaSessionManager;
 import android.media.session.ParcelableVolumeInfo;
 import android.media.session.PlaybackState;
 import android.media.AudioAttributes;
-import android.net.Uri;
 import android.os.Binder;
 import android.os.Bundle;
 import android.os.DeadObjectException;
@@ -61,7 +58,6 @@
 
 import java.io.PrintWriter;
 import java.util.ArrayList;
-import java.util.UUID;
 
 /**
  * This is the system implementation of a Session. Apps will interact with the
diff --git a/services/core/java/com/android/server/media/MediaSessionService.java b/services/core/java/com/android/server/media/MediaSessionService.java
index a5efc83..4383bb1 100644
--- a/services/core/java/com/android/server/media/MediaSessionService.java
+++ b/services/core/java/com/android/server/media/MediaSessionService.java
@@ -39,9 +39,7 @@
 import android.media.session.ISession;
 import android.media.session.ISessionCallback;
 import android.media.session.ISessionManager;
-import android.media.session.MediaController.PlaybackInfo;
 import android.media.session.MediaSession;
-import android.media.session.MediaSessionManager;
 import android.net.Uri;
 import android.os.Binder;
 import android.os.Bundle;
diff --git a/services/core/java/com/android/server/media/projection/MediaProjectionManagerService.java b/services/core/java/com/android/server/media/projection/MediaProjectionManagerService.java
index bfdc400..a029b0e 100644
--- a/services/core/java/com/android/server/media/projection/MediaProjectionManagerService.java
+++ b/services/core/java/com/android/server/media/projection/MediaProjectionManagerService.java
@@ -33,9 +33,7 @@
 import android.os.Binder;
 import android.os.Handler;
 import android.os.IBinder;
-import android.os.IBinder.DeathRecipient;
 import android.os.Looper;
-import android.os.Message;
 import android.os.RemoteException;
 import android.os.UserHandle;
 import android.util.ArrayMap;
@@ -45,9 +43,6 @@
 
 import java.io.FileDescriptor;
 import java.io.PrintWriter;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.List;
 import java.util.Map;
 
 /**
diff --git a/services/core/java/com/android/server/net/IpConfigStore.java b/services/core/java/com/android/server/net/IpConfigStore.java
index b5a450d..90e26d8 100644
--- a/services/core/java/com/android/server/net/IpConfigStore.java
+++ b/services/core/java/com/android/server/net/IpConfigStore.java
@@ -24,25 +24,19 @@
 import android.net.ProxyInfo;
 import android.net.RouteInfo;
 import android.net.StaticIpConfiguration;
-import android.os.Handler;
-import android.os.HandlerThread;
-import android.text.TextUtils;
 import android.util.Log;
 import android.util.SparseArray;
 
 import com.android.server.net.DelayedDiskWrite;
 
 import java.io.BufferedInputStream;
-import java.io.BufferedOutputStream;
 import java.io.DataInputStream;
 import java.io.DataOutputStream;
 import java.io.EOFException;
 import java.io.FileInputStream;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.net.InetAddress;
 import java.net.Inet4Address;
-import java.util.Map;
 
 public class IpConfigStore {
     private static final String TAG = "IpConfigStore";
diff --git a/services/core/java/com/android/server/net/NetworkPolicyManagerService.java b/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
index 2be591b..cc0fcf5 100644
--- a/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
+++ b/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
@@ -28,9 +28,7 @@
 import static android.content.Intent.ACTION_USER_REMOVED;
 import static android.content.Intent.EXTRA_UID;
 import static android.net.ConnectivityManager.CONNECTIVITY_ACTION_IMMEDIATE;
-import static android.net.ConnectivityManager.TYPE_ETHERNET;
 import static android.net.ConnectivityManager.TYPE_MOBILE;
-import static android.net.ConnectivityManager.TYPE_WIFI;
 import static android.net.ConnectivityManager.TYPE_WIMAX;
 import static android.net.ConnectivityManager.isNetworkTypeMobile;
 import static android.net.NetworkPolicy.CYCLE_NONE;
@@ -46,7 +44,6 @@
 import static android.net.NetworkPolicyManager.computeLastCycleBoundary;
 import static android.net.NetworkPolicyManager.dumpPolicy;
 import static android.net.NetworkPolicyManager.dumpRules;
-import static android.net.NetworkTemplate.MATCH_ETHERNET;
 import static android.net.NetworkTemplate.MATCH_MOBILE_3G_LOWER;
 import static android.net.NetworkTemplate.MATCH_MOBILE_4G;
 import static android.net.NetworkTemplate.MATCH_MOBILE_ALL;
@@ -60,7 +57,6 @@
 import static android.net.wifi.WifiManager.EXTRA_NETWORK_INFO;
 import static android.net.wifi.WifiManager.EXTRA_WIFI_CONFIGURATION;
 import static android.net.wifi.WifiManager.EXTRA_WIFI_INFO;
-import static android.telephony.TelephonyManager.SIM_STATE_READY;
 import static android.text.format.DateUtils.DAY_IN_MILLIS;
 import static com.android.internal.util.ArrayUtils.appendInt;
 import static com.android.internal.util.Preconditions.checkNotNull;
@@ -122,7 +118,6 @@
 import android.provider.Settings;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
-import android.text.TextUtils;
 import android.text.format.Formatter;
 import android.text.format.Time;
 import android.util.ArrayMap;
diff --git a/services/core/java/com/android/server/net/NetworkStatsCollection.java b/services/core/java/com/android/server/net/NetworkStatsCollection.java
index 3ac20f7..20f5f97 100644
--- a/services/core/java/com/android/server/net/NetworkStatsCollection.java
+++ b/services/core/java/com/android/server/net/NetworkStatsCollection.java
@@ -22,10 +22,8 @@
 import static android.net.NetworkStats.TAG_NONE;
 import static android.net.NetworkStats.UID_ALL;
 import static android.net.TrafficStats.UID_REMOVED;
-import static android.text.format.DateUtils.SECOND_IN_MILLIS;
 import static android.text.format.DateUtils.WEEK_IN_MILLIS;
 
-import android.net.ConnectivityManager;
 import android.net.NetworkIdentity;
 import android.net.NetworkStats;
 import android.net.NetworkStatsHistory;
diff --git a/services/core/java/com/android/server/notification/RankingHelper.java b/services/core/java/com/android/server/notification/RankingHelper.java
index 6a96f85..518e223 100644
--- a/services/core/java/com/android/server/notification/RankingHelper.java
+++ b/services/core/java/com/android/server/notification/RankingHelper.java
@@ -24,7 +24,6 @@
 import android.text.TextUtils;
 import android.util.ArrayMap;
 import android.util.ArraySet;
-import android.util.Log;
 import android.util.Slog;
 import android.util.SparseIntArray;
 import org.xmlpull.v1.XmlPullParser;
diff --git a/services/core/java/com/android/server/notification/ZenLog.java b/services/core/java/com/android/server/notification/ZenLog.java
index dda0b37..a83fbc3 100644
--- a/services/core/java/com/android/server/notification/ZenLog.java
+++ b/services/core/java/com/android/server/notification/ZenLog.java
@@ -25,7 +25,6 @@
 import android.service.notification.Condition;
 import android.service.notification.IConditionProvider;
 import android.service.notification.ZenModeConfig;
-import android.util.ArraySet;
 import android.util.Slog;
 
 import java.io.PrintWriter;
diff --git a/services/core/java/com/android/server/pm/CrossProfileIntentResolver.java b/services/core/java/com/android/server/pm/CrossProfileIntentResolver.java
index a335d3a..0e0096d 100644
--- a/services/core/java/com/android/server/pm/CrossProfileIntentResolver.java
+++ b/services/core/java/com/android/server/pm/CrossProfileIntentResolver.java
@@ -18,7 +18,6 @@
 package com.android.server.pm;
 
 
-import java.io.PrintWriter;
 import com.android.server.IntentResolver;
 import java.util.List;
 
diff --git a/services/core/java/com/android/server/pm/KeySetManagerService.java b/services/core/java/com/android/server/pm/KeySetManagerService.java
index 4a8e318..773b164 100644
--- a/services/core/java/com/android/server/pm/KeySetManagerService.java
+++ b/services/core/java/com/android/server/pm/KeySetManagerService.java
@@ -17,7 +17,6 @@
 package com.android.server.pm;
 
 import android.content.pm.PackageParser;
-import android.os.Binder;
 import android.util.ArraySet;
 import android.util.Base64;
 import android.util.Slog;
diff --git a/services/core/java/com/android/server/pm/PersistentPreferredIntentResolver.java b/services/core/java/com/android/server/pm/PersistentPreferredIntentResolver.java
index 9c8a9bd..ef29cb3 100644
--- a/services/core/java/com/android/server/pm/PersistentPreferredIntentResolver.java
+++ b/services/core/java/com/android/server/pm/PersistentPreferredIntentResolver.java
@@ -16,8 +16,6 @@
 
 package com.android.server.pm;
 
-import java.io.PrintWriter;
-
 import com.android.server.IntentResolver;
 
 public class PersistentPreferredIntentResolver
diff --git a/services/core/java/com/android/server/pm/SELinuxMMAC.java b/services/core/java/com/android/server/pm/SELinuxMMAC.java
index 95ed7bc..1ff6fb8 100644
--- a/services/core/java/com/android/server/pm/SELinuxMMAC.java
+++ b/services/core/java/com/android/server/pm/SELinuxMMAC.java
@@ -16,15 +16,12 @@
 
 package com.android.server.pm;
 
-import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageParser;
 import android.content.pm.Signature;
 import android.os.Environment;
 import android.util.Slog;
 import android.util.Xml;
 
-import com.android.internal.util.XmlUtils;
-
 import libcore.io.IoUtils;
 
 import java.io.File;
diff --git a/services/core/java/com/android/server/policy/PhoneWindowManager.java b/services/core/java/com/android/server/policy/PhoneWindowManager.java
index c414072..5185cf6 100644
--- a/services/core/java/com/android/server/policy/PhoneWindowManager.java
+++ b/services/core/java/com/android/server/policy/PhoneWindowManager.java
@@ -75,7 +75,6 @@
 import android.util.DisplayMetrics;
 import android.util.EventLog;
 import android.util.Log;
-import android.util.Pair;
 import android.util.Slog;
 import android.util.SparseArray;
 import android.view.Display;
@@ -105,9 +104,6 @@
 import android.view.animation.Animation;
 import android.view.animation.AnimationSet;
 import android.view.animation.AnimationUtils;
-import android.view.animation.Interpolator;
-import android.view.animation.TranslateAnimation;
-
 import com.android.internal.R;
 import com.android.internal.statusbar.IStatusBarService;
 import com.android.internal.widget.PointerLocationView;
diff --git a/services/core/java/com/android/server/policy/StatusBarController.java b/services/core/java/com/android/server/policy/StatusBarController.java
index 4d4ab44..d1b50da 100644
--- a/services/core/java/com/android/server/policy/StatusBarController.java
+++ b/services/core/java/com/android/server/policy/StatusBarController.java
@@ -23,7 +23,6 @@
 import android.util.Slog;
 import android.view.View;
 import android.view.WindowManager;
-import android.view.WindowManagerInternal;
 import android.view.animation.Animation;
 import android.view.animation.AnimationSet;
 import android.view.animation.Interpolator;
diff --git a/services/core/java/com/android/server/search/SearchManagerService.java b/services/core/java/com/android/server/search/SearchManagerService.java
index ddf02e9..663efe5 100644
--- a/services/core/java/com/android/server/search/SearchManagerService.java
+++ b/services/core/java/com/android/server/search/SearchManagerService.java
@@ -34,7 +34,6 @@
 import android.content.pm.ResolveInfo;
 import android.database.ContentObserver;
 import android.os.Binder;
-import android.os.Bundle;
 import android.os.Process;
 import android.os.RemoteException;
 import android.os.UserHandle;
diff --git a/services/core/java/com/android/server/storage/DeviceStorageMonitorService.java b/services/core/java/com/android/server/storage/DeviceStorageMonitorService.java
index de9360e..b819993 100644
--- a/services/core/java/com/android/server/storage/DeviceStorageMonitorService.java
+++ b/services/core/java/com/android/server/storage/DeviceStorageMonitorService.java
@@ -19,8 +19,6 @@
 import com.android.server.EventLogTags;
 import com.android.server.SystemService;
 import com.android.server.pm.InstructionSets;
-import com.android.server.pm.PackageManagerService;
-
 import android.app.Notification;
 import android.app.NotificationManager;
 import android.app.PendingIntent;
diff --git a/services/core/java/com/android/server/tv/TvInputHardwareManager.java b/services/core/java/com/android/server/tv/TvInputHardwareManager.java
index c5f4161..e57396f 100644
--- a/services/core/java/com/android/server/tv/TvInputHardwareManager.java
+++ b/services/core/java/com/android/server/tv/TvInputHardwareManager.java
@@ -55,11 +55,9 @@
 import android.view.KeyEvent;
 import android.view.Surface;
 
-import com.android.internal.os.SomeArgs;
 import com.android.server.SystemService;
 
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.Collections;
 import java.util.Iterator;
 import java.util.LinkedList;
diff --git a/services/core/java/com/android/server/updates/SELinuxPolicyInstallReceiver.java b/services/core/java/com/android/server/updates/SELinuxPolicyInstallReceiver.java
index 24318df..3de1bba 100644
--- a/services/core/java/com/android/server/updates/SELinuxPolicyInstallReceiver.java
+++ b/services/core/java/com/android/server/updates/SELinuxPolicyInstallReceiver.java
@@ -19,7 +19,6 @@
 import android.content.Context;
 import android.content.Intent;
 import android.os.SystemProperties;
-import android.provider.Settings;
 import android.system.ErrnoException;
 import android.system.Os;
 import android.util.Base64;
diff --git a/services/core/java/com/android/server/wm/EmulatorDisplayOverlay.java b/services/core/java/com/android/server/wm/EmulatorDisplayOverlay.java
index 5e4bd8b..4c8a6f9 100644
--- a/services/core/java/com/android/server/wm/EmulatorDisplayOverlay.java
+++ b/services/core/java/com/android/server/wm/EmulatorDisplayOverlay.java
@@ -25,7 +25,6 @@
 import android.graphics.PorterDuff;
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
-import android.util.Slog;
 import android.view.Display;
 import android.view.Surface;
 import android.view.Surface.OutOfResourcesException;
diff --git a/services/core/java/com/android/server/wm/WindowAnimator.java b/services/core/java/com/android/server/wm/WindowAnimator.java
index a11963c..46fa38a 100644
--- a/services/core/java/com/android/server/wm/WindowAnimator.java
+++ b/services/core/java/com/android/server/wm/WindowAnimator.java
@@ -30,8 +30,6 @@
 import static com.android.server.wm.WindowManagerService.LayoutFields.SET_WALLPAPER_ACTION_PENDING;
 
 import android.content.Context;
-import android.os.Debug;
-import android.os.SystemClock;
 import android.util.Slog;
 import android.util.SparseArray;
 import android.util.SparseIntArray;
diff --git a/services/java/com/android/server/SystemServer.java b/services/java/com/android/server/SystemServer.java
index 875d395..cd6e786 100644
--- a/services/java/com/android/server/SystemServer.java
+++ b/services/java/com/android/server/SystemServer.java
@@ -26,15 +26,11 @@
 import android.content.ContentResolver;
 import android.content.Context;
 import android.content.Intent;
-import android.content.pm.IPackageManager;
 import android.content.pm.PackageManager;
 import android.content.res.Configuration;
-import android.media.tv.TvInputManager;
 import android.os.Build;
 import android.os.Environment;
 import android.os.FactoryTest;
-import android.os.Handler;
-import android.os.IBinder;
 import android.os.IPowerManager;
 import android.os.Looper;
 import android.os.RemoteException;
@@ -43,22 +39,18 @@
 import android.os.SystemClock;
 import android.os.SystemProperties;
 import android.os.UserHandle;
-import android.service.dreams.DreamService;
 import android.util.DisplayMetrics;
 import android.util.EventLog;
-import android.util.Log;
 import android.util.Slog;
 import android.view.WindowManager;
 import android.webkit.WebViewFactory;
 
 import com.android.internal.R;
 import com.android.internal.os.BinderInternal;
-import com.android.internal.os.Zygote;
 import com.android.internal.os.SamplingProfilerIntegration;
 import com.android.server.accessibility.AccessibilityManagerService;
 import com.android.server.accounts.AccountManagerService;
 import com.android.server.am.ActivityManagerService;
-import com.android.server.am.BatteryStatsService;
 import com.android.server.audio.AudioService;
 import com.android.server.clipboard.ClipboardService;
 import com.android.server.content.ContentService;
@@ -69,7 +61,6 @@
 import com.android.server.hdmi.HdmiControlService;
 import com.android.server.input.InputManagerService;
 import com.android.server.job.JobSchedulerService;
-import com.android.server.lights.LightsManager;
 import com.android.server.lights.LightsService;
 import com.android.server.media.MediaRouterService;
 import com.android.server.media.MediaSessionService;
diff --git a/services/restrictions/java/com/android/server/restrictions/RestrictionsManagerService.java b/services/restrictions/java/com/android/server/restrictions/RestrictionsManagerService.java
index 218f899..946d28e 100644
--- a/services/restrictions/java/com/android/server/restrictions/RestrictionsManagerService.java
+++ b/services/restrictions/java/com/android/server/restrictions/RestrictionsManagerService.java
@@ -16,35 +16,20 @@
 
 package com.android.server.restrictions;
 
-import android.Manifest;
-import android.accounts.IAccountAuthenticator;
 import android.app.AppGlobals;
-import android.app.Notification;
-import android.app.NotificationManager;
-import android.app.PendingIntent;
 import android.app.admin.IDevicePolicyManager;
-import android.content.BroadcastReceiver;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
-import android.content.IntentFilter;
 import android.content.IRestrictionsManager;
 import android.content.RestrictionsManager;
-import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
-import android.content.pm.ServiceInfo;
-import android.content.pm.UserInfo;
-import android.database.ContentObserver;
-import android.net.Uri;
 import android.os.Binder;
 import android.os.Bundle;
-import android.os.IBinder;
 import android.os.IUserManager;
 import android.os.PersistableBundle;
-import android.os.Process;
 import android.os.RemoteException;
 import android.os.UserHandle;
-import android.os.UserManager;
 import android.util.Log;
 
 import com.android.internal.util.ArrayUtils;
diff --git a/services/usb/java/com/android/server/usb/UsbAlsaManager.java b/services/usb/java/com/android/server/usb/UsbAlsaManager.java
index f869841..3f180e7 100644
--- a/services/usb/java/com/android/server/usb/UsbAlsaManager.java
+++ b/services/usb/java/com/android/server/usb/UsbAlsaManager.java
@@ -17,7 +17,6 @@
 package com.android.server.usb;
 
 import android.content.Context;
-import android.content.Intent;
 import android.content.res.Resources;
 import android.hardware.usb.UsbConstants;
 import android.hardware.usb.UsbDevice;
@@ -27,11 +26,9 @@
 import android.media.midi.MidiDeviceInfo;
 import android.os.FileObserver;
 import android.os.Bundle;
-import android.os.IBinder;
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.SystemClock;
-import android.os.UserHandle;
 import android.provider.Settings;
 import android.util.Slog;
 
diff --git a/services/usb/java/com/android/server/usb/UsbDebuggingManager.java b/services/usb/java/com/android/server/usb/UsbDebuggingManager.java
index e489279..bcb840b 100644
--- a/services/usb/java/com/android/server/usb/UsbDebuggingManager.java
+++ b/services/usb/java/com/android/server/usb/UsbDebuggingManager.java
@@ -21,7 +21,6 @@
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
-import android.content.pm.ResolveInfo;
 import android.content.res.Resources;
 import android.net.LocalSocket;
 import android.net.LocalSocketAddress;
diff --git a/services/usb/java/com/android/server/usb/UsbDeviceManager.java b/services/usb/java/com/android/server/usb/UsbDeviceManager.java
index 43c7336..b7ed8d1 100644
--- a/services/usb/java/com/android/server/usb/UsbDeviceManager.java
+++ b/services/usb/java/com/android/server/usb/UsbDeviceManager.java
@@ -30,7 +30,6 @@
 import android.database.ContentObserver;
 import android.hardware.usb.UsbAccessory;
 import android.hardware.usb.UsbManager;
-import android.media.AudioManager;
 import android.os.FileUtils;
 import android.os.Handler;
 import android.os.Looper;
diff --git a/services/usb/java/com/android/server/usb/UsbHostManager.java b/services/usb/java/com/android/server/usb/UsbHostManager.java
index c53fea2..5b58051 100644
--- a/services/usb/java/com/android/server/usb/UsbHostManager.java
+++ b/services/usb/java/com/android/server/usb/UsbHostManager.java
@@ -17,7 +17,6 @@
 package com.android.server.usb;
 
 import android.content.Context;
-import android.content.Intent;
 import android.hardware.usb.UsbConfiguration;
 import android.hardware.usb.UsbConstants;
 import android.hardware.usb.UsbDevice;
@@ -25,13 +24,11 @@
 import android.hardware.usb.UsbInterface;
 import android.os.Bundle;
 import android.os.ParcelFileDescriptor;
-import android.os.Parcelable;
 import android.util.Slog;
 
 import com.android.internal.annotations.GuardedBy;
 
 import java.io.FileDescriptor;
-import java.io.FileNotFoundException;
 import java.io.PrintWriter;
 import java.util.ArrayList;
 import java.util.HashMap;
diff --git a/services/usb/java/com/android/server/usb/UsbSettingsManager.java b/services/usb/java/com/android/server/usb/UsbSettingsManager.java
index 37b5c51..bfd1f13 100644
--- a/services/usb/java/com/android/server/usb/UsbSettingsManager.java
+++ b/services/usb/java/com/android/server/usb/UsbSettingsManager.java
@@ -27,7 +27,6 @@
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.content.pm.ResolveInfo;
-import android.content.res.Resources;
 import android.content.res.XmlResourceParser;
 import android.hardware.usb.UsbAccessory;
 import android.hardware.usb.UsbDevice;
diff --git a/telephony/java/android/telephony/PhoneNumberUtils.java b/telephony/java/android/telephony/PhoneNumberUtils.java
index 69bb4bb..aae3ff6 100644
--- a/telephony/java/android/telephony/PhoneNumberUtils.java
+++ b/telephony/java/android/telephony/PhoneNumberUtils.java
@@ -37,8 +37,6 @@
 import android.text.style.TtsSpan;
 import android.util.SparseIntArray;
 
-import static com.android.internal.telephony.TelephonyProperties.PROPERTY_ICC_OPERATOR_ISO_COUNTRY;
-import static com.android.internal.telephony.TelephonyProperties.PROPERTY_OPERATOR_ISO_COUNTRY;
 import static com.android.internal.telephony.TelephonyProperties.PROPERTY_OPERATOR_IDP_STRING;
 
 import java.util.Locale;
diff --git a/telephony/java/android/telephony/PhoneStateListener.java b/telephony/java/android/telephony/PhoneStateListener.java
index fce4ae7..611dd7bd 100644
--- a/telephony/java/android/telephony/PhoneStateListener.java
+++ b/telephony/java/android/telephony/PhoneStateListener.java
@@ -27,13 +27,10 @@
 import android.telephony.Rlog;
 import android.telephony.ServiceState;
 import android.telephony.SignalStrength;
-import android.telephony.SubscriptionManager;
 import android.telephony.PreciseCallState;
 import android.telephony.PreciseDataConnectionState;
 
 import com.android.internal.telephony.IPhoneStateListener;
-import com.android.internal.telephony.PhoneConstants;
-
 import java.util.List;
 
 /**
diff --git a/telephony/java/android/telephony/PreciseCallState.java b/telephony/java/android/telephony/PreciseCallState.java
index a85df15..f246416 100644
--- a/telephony/java/android/telephony/PreciseCallState.java
+++ b/telephony/java/android/telephony/PreciseCallState.java
@@ -16,10 +16,8 @@
 
 package android.telephony;
 
-import android.os.Bundle;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.telephony.Rlog;
 import android.telephony.DisconnectCause;
 import android.telephony.PreciseDisconnectCause;
 
diff --git a/telephony/java/android/telephony/PreciseDataConnectionState.java b/telephony/java/android/telephony/PreciseDataConnectionState.java
index 87529fe..31c9a9e 100644
--- a/telephony/java/android/telephony/PreciseDataConnectionState.java
+++ b/telephony/java/android/telephony/PreciseDataConnectionState.java
@@ -16,10 +16,8 @@
 
 package android.telephony;
 
-import android.os.Bundle;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.telephony.Rlog;
 import android.telephony.TelephonyManager;
 import android.net.LinkProperties;
 
diff --git a/telephony/java/android/telephony/SubscriptionManager.java b/telephony/java/android/telephony/SubscriptionManager.java
index aca94e9..08aec08 100644
--- a/telephony/java/android/telephony/SubscriptionManager.java
+++ b/telephony/java/android/telephony/SubscriptionManager.java
@@ -32,8 +32,6 @@
 import com.android.internal.telephony.IOnSubscriptionsChangedListener;
 import com.android.internal.telephony.ITelephonyRegistry;
 import com.android.internal.telephony.PhoneConstants;
-import com.android.internal.telephony.TelephonyProperties;
-
 import java.util.ArrayList;
 import java.util.List;
 
diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index dda9626..0a4b787 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -42,9 +42,7 @@
 
 import java.io.FileInputStream;
 import java.io.IOException;
-import java.util.Arrays;
 import java.util.List;
-import java.util.Set;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
diff --git a/telephony/java/com/android/internal/telephony/CallerInfoAsyncQuery.java b/telephony/java/com/android/internal/telephony/CallerInfoAsyncQuery.java
index aae7617..c754068 100644
--- a/telephony/java/com/android/internal/telephony/CallerInfoAsyncQuery.java
+++ b/telephony/java/com/android/internal/telephony/CallerInfoAsyncQuery.java
@@ -34,7 +34,6 @@
 import android.text.TextUtils;
 import android.telephony.Rlog;
 import android.telephony.SubscriptionManager;
-import android.util.Log;
 
 /**
  * Helper class to make it easier to run asynchronous caller-id lookup queries.
diff --git a/telephony/java/com/android/internal/telephony/TelephonyIntents.java b/telephony/java/com/android/internal/telephony/TelephonyIntents.java
index 92cd468..85a489b 100644
--- a/telephony/java/com/android/internal/telephony/TelephonyIntents.java
+++ b/telephony/java/com/android/internal/telephony/TelephonyIntents.java
@@ -16,8 +16,6 @@
 
 package com.android.internal.telephony;
 
-import android.content.Intent;
-
 /**
  * The intents that the telephony services broadcast.
  *
diff --git a/wifi/java/android/net/wifi/WifiConfiguration.java b/wifi/java/android/net/wifi/WifiConfiguration.java
index 52f2372..e7e7f5c 100644
--- a/wifi/java/android/net/wifi/WifiConfiguration.java
+++ b/wifi/java/android/net/wifi/WifiConfiguration.java
@@ -20,14 +20,11 @@
 import android.content.pm.PackageManager;
 import android.net.IpConfiguration;
 import android.net.IpConfiguration.ProxySettings;
-import android.net.IpConfiguration.IpAssignment;
 import android.net.ProxyInfo;
 import android.net.StaticIpConfiguration;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.text.TextUtils;
-import android.annotation.SystemApi;
-
 import java.util.HashMap;
 import java.util.BitSet;
 import java.util.ArrayList;
diff --git a/wifi/java/android/net/wifi/WifiLinkLayerStats.java b/wifi/java/android/net/wifi/WifiLinkLayerStats.java
index 7fac7cf..1de4fd8 100644
--- a/wifi/java/android/net/wifi/WifiLinkLayerStats.java
+++ b/wifi/java/android/net/wifi/WifiLinkLayerStats.java
@@ -18,12 +18,6 @@
 
 import android.os.Parcelable;
 import android.os.Parcel;
-import android.text.TextUtils;
-import java.util.HashMap;
-import java.util.Date;
-import java.util.ArrayList;
-
-import java.util.BitSet;
 
 /**
  * A class representing link layer statistics collected over a Wifi Interface.
diff --git a/wifi/java/android/net/wifi/WifiNetworkConnectionStatistics.java b/wifi/java/android/net/wifi/WifiNetworkConnectionStatistics.java
index c7d62e5..9b2fdc8 100644
--- a/wifi/java/android/net/wifi/WifiNetworkConnectionStatistics.java
+++ b/wifi/java/android/net/wifi/WifiNetworkConnectionStatistics.java
@@ -21,8 +21,6 @@
 import android.os.Parcel;
 import android.os.Parcelable;
 
-import java.util.HashMap;
-
 /**
  * Connection Statistics For a WiFi Network.
  * @hide
diff --git a/wifi/java/android/net/wifi/passpoint/WifiPasspointCredential.java b/wifi/java/android/net/wifi/passpoint/WifiPasspointCredential.java
index 0a7230f..a100aed 100644
--- a/wifi/java/android/net/wifi/passpoint/WifiPasspointCredential.java
+++ b/wifi/java/android/net/wifi/passpoint/WifiPasspointCredential.java
@@ -20,9 +20,7 @@
 import android.os.Parcelable;
 import android.os.Parcel;
 
-import java.util.ArrayList;
 import java.util.Collection;
-import java.util.List;
 import java.util.Iterator;
 import java.util.Map;
 import java.util.Set;
diff --git a/wifi/java/android/net/wifi/passpoint/WifiPasspointDmTree.java b/wifi/java/android/net/wifi/passpoint/WifiPasspointDmTree.java
index bbf5fc6..427c84c 100644
--- a/wifi/java/android/net/wifi/passpoint/WifiPasspointDmTree.java
+++ b/wifi/java/android/net/wifi/passpoint/WifiPasspointDmTree.java
@@ -18,8 +18,6 @@
 
 import android.os.Parcelable;
 import android.os.Parcel;
-import android.util.Log;
-
 import java.util.HashMap;
 
 /**
diff --git a/wifi/java/android/net/wifi/passpoint/WifiPasspointPolicy.java b/wifi/java/android/net/wifi/passpoint/WifiPasspointPolicy.java
index f84ac88..c08877e 100644
--- a/wifi/java/android/net/wifi/passpoint/WifiPasspointPolicy.java
+++ b/wifi/java/android/net/wifi/passpoint/WifiPasspointPolicy.java
@@ -17,7 +17,6 @@
 package android.net.wifi.passpoint;
 
 import android.net.wifi.WifiConfiguration;
-import android.net.wifi.ScanResult;
 import android.os.Parcelable;
 import android.os.Parcel;
 import android.security.Credentials;
@@ -25,7 +24,6 @@
 
 import java.lang.reflect.Field;
 import java.lang.reflect.Method;
-import java.util.List;
 
 
 /** @hide */