diff --git a/res/xml/development_settings.xml b/res/xml/development_settings.xml
index e1ccad8..f0a2881 100644
--- a/res/xml/development_settings.xml
+++ b/res/xml/development_settings.xml
@@ -727,11 +727,10 @@
             android:title="@string/enable_non_resizable_multi_window"
             android:summary="@string/enable_non_resizable_multi_window_summary" />
 
-        // TODO(b/315859328): Temporally removed since causing search indexing failure.
-<!--        <SwitchPreferenceCompat-->
-<!--            android:key="back_navigation_animation"-->
-<!--            android:title="@string/back_navigation_animation"-->
-<!--            android:summary="@string/back_navigation_animation_summary" />-->
+        <SwitchPreferenceCompat
+            android:key="back_navigation_animation"
+            android:title="@string/back_navigation_animation"
+            android:summary="@string/back_navigation_animation_summary" />
 
         <Preference
             android:key="reset_shortcut_manager_throttling"
diff --git a/src/com/android/settings/development/BackAnimationPreferenceController.java b/src/com/android/settings/development/BackAnimationPreferenceController.java
index 95ffc25..8c731a4 100644
--- a/src/com/android/settings/development/BackAnimationPreferenceController.java
+++ b/src/com/android/settings/development/BackAnimationPreferenceController.java
@@ -18,6 +18,7 @@
 
 import static com.android.window.flags.Flags.predictiveBackSystemAnimations;
 
+import android.annotation.Nullable;
 import android.content.Context;
 import android.provider.Settings;
 
@@ -28,8 +29,6 @@
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
 
-import java.util.Objects;
-
 /**
  * PreferenceController for enabling/disabling animation related to back button and back gestures.
  */
@@ -51,9 +50,8 @@
 
 
     public BackAnimationPreferenceController(Context context,
-            DevelopmentSettingsDashboardFragment fragment) {
+            @Nullable DevelopmentSettingsDashboardFragment fragment) {
         super(context);
-        Objects.requireNonNull(fragment);
         mFragment = fragment;
     }
 
diff --git a/src/com/android/settings/development/DevelopmentSettingsDashboardFragment.java b/src/com/android/settings/development/DevelopmentSettingsDashboardFragment.java
index a483f9f..b52409d 100644
--- a/src/com/android/settings/development/DevelopmentSettingsDashboardFragment.java
+++ b/src/com/android/settings/development/DevelopmentSettingsDashboardFragment.java
@@ -737,7 +737,7 @@
         controllers.add(new OverlaySettingsPreferenceController(context));
         controllers.add(new StylusHandwritingPreferenceController(context));
         controllers.add(new IngressRateLimitPreferenceController((context)));
-        // controllers.add(new BackAnimationPreferenceController(context, fragment));
+        controllers.add(new BackAnimationPreferenceController(context, fragment));
         controllers.add(new PhantomProcessPreferenceController(context));
         controllers.add(new ContrastPreferenceController(
                 context, context.getSystemService(UiModeManager.class)));