diff --git a/Android.mk b/Android.mk
index cfdd493..d7eb0e3 100644
--- a/Android.mk
+++ b/Android.mk
@@ -1,17 +1,7 @@
 #
 # Copyright (C) 2021-2022 The LineageOS Project
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# SPDX-License-Identifier: Apache-2.0
 #
 
 LOCAL_PATH := $(call my-dir)
diff --git a/AndroidProducts.mk b/AndroidProducts.mk
index f2800f3..98bcb0a 100644
--- a/AndroidProducts.mk
+++ b/AndroidProducts.mk
@@ -1,17 +1,7 @@
 #
 # Copyright (C) 2021 The LineageOS Project
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# SPDX-License-Identifier: Apache-2.0
 #
 
 PRODUCT_MAKEFILES := \
diff --git a/BoardConfig.mk b/BoardConfig.mk
index b694c0e..7590336 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -1,17 +1,7 @@
 #
 # Copyright (C) 2021-2022 The LineageOS Project
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# SPDX-License-Identifier: Apache-2.0
 #
 
 DEVICE_PATH := device/realme/RM6785
diff --git a/aidl/health/Android.bp b/aidl/health/Android.bp
index b9c247e..0114bc9 100644
--- a/aidl/health/Android.bp
+++ b/aidl/health/Android.bp
@@ -1,17 +1,7 @@
 /*
  * Copyright (C) 2022 The LineageOS Project
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * SPDX-License-Identifier: Apache-2.0
  */
 
 cc_defaults {
diff --git a/aidl/health/Health.cpp b/aidl/health/Health.cpp
index 39d03bf..68af9ea 100644
--- a/aidl/health/Health.cpp
+++ b/aidl/health/Health.cpp
@@ -2,17 +2,7 @@
  * Copyright (C) 2021 The Android Open Source Project
  * Copyright (C) 2022 The LineageOS Project
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * SPDX-License-Identifier: Apache-2.0
  */
 
 #include <android-base/logging.h>
diff --git a/aidl/lights/Android.bp b/aidl/lights/Android.bp
index 49267ce..5648a40 100644
--- a/aidl/lights/Android.bp
+++ b/aidl/lights/Android.bp
@@ -1,17 +1,7 @@
 //
 // Copyright (C) 2021 The LineageOS Project
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// SPDX-License-Identifier: Apache-2.0
 
 cc_binary {
     name: "android.hardware.light-service.RM6785",
diff --git a/aidl/lights/Light.cpp b/aidl/lights/Light.cpp
index 2946943..0f32f40 100644
--- a/aidl/lights/Light.cpp
+++ b/aidl/lights/Light.cpp
@@ -1,17 +1,7 @@
 /*
  * Copyright (C) 2018-2019 The LineageOS Project
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * SPDX-License-Identifier: Apache-2.0
  */
 
 #include "Light.h"
diff --git a/aidl/lights/Light.h b/aidl/lights/Light.h
index 502e1c6..561ff64 100644
--- a/aidl/lights/Light.h
+++ b/aidl/lights/Light.h
@@ -1,17 +1,7 @@
 /*
  * Copyright (C) 2018 The LineageOS Project
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * SPDX-License-Identifier: Apache-2.0
  */
 
 #pragma once
diff --git a/aidl/lights/main.cpp b/aidl/lights/main.cpp
index 3c87ef0..b9fe0b2 100644
--- a/aidl/lights/main.cpp
+++ b/aidl/lights/main.cpp
@@ -1,17 +1,7 @@
 /*
  * Copyright (C) 2018 The LineageOS Project
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * SPDX-License-Identifier: Apache-2.0
  */
 
 #include <android/binder_manager.h>
diff --git a/aidl/power-libperfmgr/Android.bp b/aidl/power-libperfmgr/Android.bp
index 6200471..ae8b8a9 100644
--- a/aidl/power-libperfmgr/Android.bp
+++ b/aidl/power-libperfmgr/Android.bp
@@ -1,17 +1,7 @@
 //
 // Copyright (C) 2021 The LineageOS Project
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// SPDX-License-Identifier: Apache-2.0
 //
 
 cc_binary {
diff --git a/aidl/power-libperfmgr/InteractionHandler.cpp b/aidl/power-libperfmgr/InteractionHandler.cpp
index a9f908b..f5d8a01 100644
--- a/aidl/power-libperfmgr/InteractionHandler.cpp
+++ b/aidl/power-libperfmgr/InteractionHandler.cpp
@@ -1,17 +1,7 @@
 /*
  * Copyright (C) 2018 The Android Open Source Project
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * SPDX-License-Identifier: Apache-2.0
  */
 
 #define ATRACE_TAG (ATRACE_TAG_POWER | ATRACE_TAG_HAL)
diff --git a/aidl/power-libperfmgr/InteractionHandler.h b/aidl/power-libperfmgr/InteractionHandler.h
index c88f7d4..d1dbc3e 100644
--- a/aidl/power-libperfmgr/InteractionHandler.h
+++ b/aidl/power-libperfmgr/InteractionHandler.h
@@ -1,17 +1,7 @@
 /*
  * Copyright (C) 2018 The Android Open Source Project
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * SPDX-License-Identifier: Apache-2.0
  */
 
 #pragma once
diff --git a/aidl/power-libperfmgr/Power.cpp b/aidl/power-libperfmgr/Power.cpp
index b2f7a92..7298c13 100644
--- a/aidl/power-libperfmgr/Power.cpp
+++ b/aidl/power-libperfmgr/Power.cpp
@@ -1,17 +1,7 @@
 /*
  * Copyright (C) 2020 The Android Open Source Project
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * SPDX-License-Identifier: Apache-2.0
  */
 
 #define LOG_TAG "powerhal-libperfmgr"
diff --git a/aidl/power-libperfmgr/Power.h b/aidl/power-libperfmgr/Power.h
index c5bb2a8..e2d6411 100644
--- a/aidl/power-libperfmgr/Power.h
+++ b/aidl/power-libperfmgr/Power.h
@@ -1,17 +1,7 @@
 /*
  * Copyright (C) 2020 The Android Open Source Project
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * SPDX-License-Identifier: Apache-2.0
  */
 
 #pragma once
diff --git a/aidl/power-libperfmgr/PowerExt.cpp b/aidl/power-libperfmgr/PowerExt.cpp
index e6f19d2..f47e419 100644
--- a/aidl/power-libperfmgr/PowerExt.cpp
+++ b/aidl/power-libperfmgr/PowerExt.cpp
@@ -1,17 +1,7 @@
 /*
  * Copyright (C) 2020 The Android Open Source Project
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * SPDX-License-Identifier: Apache-2.0
  */
 
 #define LOG_TAG "android.hardware.power-service.xiaomi.ext-libperfmgr"
diff --git a/aidl/power-libperfmgr/PowerExt.h b/aidl/power-libperfmgr/PowerExt.h
index bed12b5..f6dbe43 100644
--- a/aidl/power-libperfmgr/PowerExt.h
+++ b/aidl/power-libperfmgr/PowerExt.h
@@ -1,17 +1,7 @@
 /*
  * Copyright (C) 2020 The Android Open Source Project
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * SPDX-License-Identifier: Apache-2.0
  */
 
 #pragma once
diff --git a/aidl/power-libperfmgr/PowerHintSession.cpp b/aidl/power-libperfmgr/PowerHintSession.cpp
index 0ac0b4a..5c7532e 100644
--- a/aidl/power-libperfmgr/PowerHintSession.cpp
+++ b/aidl/power-libperfmgr/PowerHintSession.cpp
@@ -1,17 +1,7 @@
 /*
  * Copyright 2021 The Android Open Source Project
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * SPDX-License-Identifier: Apache-2.0
  */
 
 #define LOG_TAG "powerhal-libperfmgr"
diff --git a/aidl/power-libperfmgr/PowerHintSession.h b/aidl/power-libperfmgr/PowerHintSession.h
index d922744..00c0a47 100644
--- a/aidl/power-libperfmgr/PowerHintSession.h
+++ b/aidl/power-libperfmgr/PowerHintSession.h
@@ -1,17 +1,7 @@
 /*
  * Copyright 2021 The Android Open Source Project
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * SPDX-License-Identifier: Apache-2.0
  */
 
 #pragma once
diff --git a/aidl/power-libperfmgr/PowerSessionManager.cpp b/aidl/power-libperfmgr/PowerSessionManager.cpp
index 516942a..888118d 100644
--- a/aidl/power-libperfmgr/PowerSessionManager.cpp
+++ b/aidl/power-libperfmgr/PowerSessionManager.cpp
@@ -1,17 +1,7 @@
 /*
  * Copyright 2021 The Android Open Source Project
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * SPDX-License-Identifier: Apache-2.0
  */
 
 #define LOG_TAG "powerhal-libperfmgr"
diff --git a/aidl/power-libperfmgr/PowerSessionManager.h b/aidl/power-libperfmgr/PowerSessionManager.h
index 6cd0886..54ea0da 100644
--- a/aidl/power-libperfmgr/PowerSessionManager.h
+++ b/aidl/power-libperfmgr/PowerSessionManager.h
@@ -1,17 +1,7 @@
 /*
  * Copyright 2021 The Android Open Source Project
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * SPDX-License-Identifier: Apache-2.0
  */
 
 #pragma once
diff --git a/aidl/power-libperfmgr/service.cpp b/aidl/power-libperfmgr/service.cpp
index 9f4b689..5c10cf3 100644
--- a/aidl/power-libperfmgr/service.cpp
+++ b/aidl/power-libperfmgr/service.cpp
@@ -1,17 +1,7 @@
 /*
  * Copyright (C) 2020 The Android Open Source Project
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * SPDX-License-Identifier: Apache-2.0
  */
 
 #define LOG_TAG "powerhal-libperfmgr"
diff --git a/configs/audio/audio_policy_configuration.xml b/configs/audio/audio_policy_configuration.xml
index 897d7c7..0803e7e 100644
--- a/configs/audio/audio_policy_configuration.xml
+++ b/configs/audio/audio_policy_configuration.xml
@@ -1,14 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <!-- Copyright (C) 2015 The Android Open Source Project
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-          http://www.apache.org/licenses/LICENSE-2.0
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
+     SPDX-License-Identifier: Apache-2.0
 -->
 
 <audioPolicyConfiguration version="1.0" xmlns:xi="http://www.w3.org/2001/XInclude">
diff --git a/configs/media/media_codecs.xml b/configs/media/media_codecs.xml
index 96f54bc..16597ee 100644
--- a/configs/media/media_codecs.xml
+++ b/configs/media/media_codecs.xml
@@ -1,17 +1,7 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <!-- Copyright (C) 2012 The Android Open Source Project
 
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
+     SPDX-License-Identifier: Apache-2.0
 -->
 
 <!--
diff --git a/device.mk b/device.mk
index 3395cfa..0632a51 100644
--- a/device.mk
+++ b/device.mk
@@ -1,17 +1,7 @@
 #
 # Copyright (C) 2021-2022 The LineageOS Project
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# SPDX-License-Identifier: Apache-2.0
 #
 
 # Enable updating of APEXes
diff --git a/doze/AndroidManifest.xml b/doze/AndroidManifest.xml
index 64787d7..ec0d05b 100644
--- a/doze/AndroidManifest.xml
+++ b/doze/AndroidManifest.xml
@@ -3,17 +3,7 @@
      Copyright (C) 2015-2016 The CyanogenMod Project
                    2017 The LineageOS Project
 
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
+     SPDX-License-Identifier: Apache-2.0
 -->
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="org.lineageos.settings.doze"
diff --git a/doze/res/values/arrays.xml b/doze/res/values/arrays.xml
index 4712b8d..7f2ec8f 100644
--- a/doze/res/values/arrays.xml
+++ b/doze/res/values/arrays.xml
@@ -2,17 +2,7 @@
 <!--
      Copyright (C) 2021 The LineageOS Project
 
-     Licensed under the Apache License, Version 2.0 (the "License"
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
+     SPDX-License-Identifier: Apache-2.0
 -->
 <resources>
     <!-- Pickup gesture -->
diff --git a/doze/res/values/config.xml b/doze/res/values/config.xml
index ff71e55..76ca628 100644
--- a/doze/res/values/config.xml
+++ b/doze/res/values/config.xml
@@ -2,17 +2,7 @@
 <!--
      Copyright (C) 2021-2022 The LineageOS Project
 
-     Licensed under the Apache License, Version 2.0 (the "License"
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
+     SPDX-License-Identifier: Apache-2.0
 -->
 <resources>
     <!-- Sensor types -->
diff --git a/doze/res/xml/doze_settings.xml b/doze/res/xml/doze_settings.xml
index 59d69f2..02bc3f8 100644
--- a/doze/res/xml/doze_settings.xml
+++ b/doze/res/xml/doze_settings.xml
@@ -3,17 +3,7 @@
      Copyright (C) 2015 The CyanogenMod Project
                    2018-2021 The LineageOS Project
 
-     Licensed under the Apache License, Version 2.0 (the "License"
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
+     SPDX-License-Identifier: Apache-2.0
 -->
 <PreferenceScreen
     xmlns:android="http://schemas.android.com/apk/res/android"
diff --git a/extract-files.sh b/extract-files.sh
index 2bde95a..b28707e 100755
--- a/extract-files.sh
+++ b/extract-files.sh
@@ -3,17 +3,7 @@
 # Copyright (C) 2016 The CyanogenMod Project
 # Copyright (C) 2017-2020 The LineageOS Project
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# SPDX-License-Identifier: Apache-2.0
 #
 
 set -e
diff --git a/hidl/fingerprint/BiometricsFingerprint.cpp b/hidl/fingerprint/BiometricsFingerprint.cpp
index e207cd8..1043294 100644
--- a/hidl/fingerprint/BiometricsFingerprint.cpp
+++ b/hidl/fingerprint/BiometricsFingerprint.cpp
@@ -1,17 +1,7 @@
 /*
  * Copyright (C) 2017 The Android Open Source Project
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * SPDX-License-Identifier: Apache-2.0
  */
 #define LOG_TAG "android.hardware.biometrics.fingerprint@2.1-service.RM6785"
 #define LOG_VERBOSE "android.hardware.biometrics.fingerprint@2.1-service.RM6785"
diff --git a/hidl/fingerprint/BiometricsFingerprint.h b/hidl/fingerprint/BiometricsFingerprint.h
index 5cdbbfa..90829d4 100644
--- a/hidl/fingerprint/BiometricsFingerprint.h
+++ b/hidl/fingerprint/BiometricsFingerprint.h
@@ -1,17 +1,7 @@
 /*
  * Copyright (C) 2017 The Android Open Source Project
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * SPDX-License-Identifier: Apache-2.0
  */
 
 #ifndef ANDROID_HARDWARE_BIOMETRICS_FINGERPRINT_V2_1_BIOMETRICSFINGERPRINT_H
diff --git a/hidl/fingerprint/service.cpp b/hidl/fingerprint/service.cpp
index 1789357..79e2e82 100644
--- a/hidl/fingerprint/service.cpp
+++ b/hidl/fingerprint/service.cpp
@@ -1,17 +1,7 @@
 /*
  * Copyright (C) 2017 The Android Open Source Project
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * SPDX-License-Identifier: Apache-2.0
  */
 
 #define LOG_TAG "android.hardware.biometrics.fingerprint@2.1-service.RM6785"
diff --git a/hidl/touch/Android.bp b/hidl/touch/Android.bp
index 1074632..ea52ba7 100644
--- a/hidl/touch/Android.bp
+++ b/hidl/touch/Android.bp
@@ -1,17 +1,7 @@
 //
 // Copyright (C) 2019 The LineageOS Project
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// SPDX-License-Identifier: Apache-2.0
 
 cc_binary {
     name: "vendor.lineage.touch@1.0-service.RM6785",
diff --git a/hidl/touch/TouchscreenGesture.cpp b/hidl/touch/TouchscreenGesture.cpp
index d4451c6..811aecb 100644
--- a/hidl/touch/TouchscreenGesture.cpp
+++ b/hidl/touch/TouchscreenGesture.cpp
@@ -1,17 +1,7 @@
 /*
  * Copyright (C) 2019 The LineageOS Project
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * SPDX-License-Identifier: Apache-2.0
  */
 
 #define LOG_TAG "TouchscreenGestureService"
diff --git a/hidl/touch/TouchscreenGesture.h b/hidl/touch/TouchscreenGesture.h
index 47980da..b852561 100644
--- a/hidl/touch/TouchscreenGesture.h
+++ b/hidl/touch/TouchscreenGesture.h
@@ -1,17 +1,7 @@
 /*
  * Copyright (C) 2019 The LineageOS Project
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * SPDX-License-Identifier: Apache-2.0
  */
 
 #ifndef VENDOR_LINEAGE_TOUCH_V1_0_TOUCHSCREENGESTURE_H
diff --git a/hidl/touch/service.cpp b/hidl/touch/service.cpp
index cba7bbb..7d8a3cd 100644
--- a/hidl/touch/service.cpp
+++ b/hidl/touch/service.cpp
@@ -1,17 +1,7 @@
 /*
  * Copyright (C) 2019 The LineageOS Project
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * SPDX-License-Identifier: Apache-2.0
  */
 
 #define LOG_TAG "vendor.lineage.touch@1.0-service.RM6785"
diff --git a/init/Android.bp b/init/Android.bp
index f4af176..c6a2829 100644
--- a/init/Android.bp
+++ b/init/Android.bp
@@ -1,16 +1,6 @@
 // Copyright (C) 2020 The LineageOS Project
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// SPDX-License-Identifier: Apache-2.0
 
 cc_library_static {
     name: "libinit_RM6785",
diff --git a/interfaces/biometrics/fingerprint/2.1/IBiometricsFingerprint.hal b/interfaces/biometrics/fingerprint/2.1/IBiometricsFingerprint.hal
index 8fe81f1..a80c5f3 100644
--- a/interfaces/biometrics/fingerprint/2.1/IBiometricsFingerprint.hal
+++ b/interfaces/biometrics/fingerprint/2.1/IBiometricsFingerprint.hal
@@ -1,17 +1,7 @@
 /*
  * Copyright (C) 2017 The Android Open Source Project
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * SPDX-License-Identifier: Apache-2.0
  */
 
 package vendor.oplus.hardware.biometrics.fingerprint@2.1;
diff --git a/interfaces/biometrics/fingerprint/2.1/IBiometricsFingerprintClientCallback.hal b/interfaces/biometrics/fingerprint/2.1/IBiometricsFingerprintClientCallback.hal
index 66c62e8..bbd1f9f 100644
--- a/interfaces/biometrics/fingerprint/2.1/IBiometricsFingerprintClientCallback.hal
+++ b/interfaces/biometrics/fingerprint/2.1/IBiometricsFingerprintClientCallback.hal
@@ -1,17 +1,7 @@
 /*
  * Copyright (C) 2017 The Android Open Source Project
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * SPDX-License-Identifier: Apache-2.0
  */
 
 package vendor.oplus.hardware.biometrics.fingerprint@2.1;
diff --git a/interfaces/biometrics/fingerprint/2.1/types.hal b/interfaces/biometrics/fingerprint/2.1/types.hal
index 21efeb7..ec1221d 100644
--- a/interfaces/biometrics/fingerprint/2.1/types.hal
+++ b/interfaces/biometrics/fingerprint/2.1/types.hal
@@ -1,17 +1,7 @@
 /*
  * Copyright (C) 2017 The Android Open Source Project
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * SPDX-License-Identifier: Apache-2.0
  */
 
 package vendor.oplus.hardware.biometrics.fingerprint@2.1;
diff --git a/lineage_RM6785.mk b/lineage_RM6785.mk
index d2fa7ba..4e37901 100644
--- a/lineage_RM6785.mk
+++ b/lineage_RM6785.mk
@@ -1,17 +1,7 @@
 #
 # Copyright (C) 2021-2022 The LineageOS Project
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# SPDX-License-Identifier: Apache-2.0
 #
 
 # Inherit from those products. Most specific first.
diff --git a/overlay/frameworks/base/core/res/res/values/config.xml b/overlay/frameworks/base/core/res/res/values/config.xml
index 80be435..bf7f338 100644
--- a/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/overlay/frameworks/base/core/res/res/values/config.xml
@@ -3,17 +3,7 @@
 /**
  * Copyright (c) 2009, The Android Open Source Project
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * SPDX-License-Identifier: Apache-2.0
  */
 -->
 
diff --git a/overlay/frameworks/base/core/res/res/values/dimens.xml b/overlay/frameworks/base/core/res/res/values/dimens.xml
index b8f1a8d..e3d67b0 100644
--- a/overlay/frameworks/base/core/res/res/values/dimens.xml
+++ b/overlay/frameworks/base/core/res/res/values/dimens.xml
@@ -3,17 +3,7 @@
 /*
 ** Copyright 2012, The Android Open Source Project
 **
-** Licensed under the Apache License, Version 2.0 (the "License");
-** you may not use this file except in compliance with the License.
-** You may obtain a copy of the License at
-**
-**     http://www.apache.org/licenses/LICENSE-2.0
-**
-** Unless required by applicable law or agreed to in writing, software
-** distributed under the License is distributed on an "AS IS" BASIS,
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-** See the License for the specific language governing permissions and
-** limitations under the License.
+** SPDX-License-Identifier: Apache-2.0
 */
 -->
 
diff --git a/overlay/frameworks/base/packages/SystemUI/res/values/config.xml b/overlay/frameworks/base/packages/SystemUI/res/values/config.xml
index 620d8ab..8e6d98d 100644
--- a/overlay/frameworks/base/packages/SystemUI/res/values/config.xml
+++ b/overlay/frameworks/base/packages/SystemUI/res/values/config.xml
@@ -1,14 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright (C) 2020 The Android Open Source Project
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-          http://www.apache.org/licenses/LICENSE-2.0
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
+     SPDX-License-Identifier: Apache-2.0
 -->
 
 <resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
diff --git a/overlay/frameworks/base/packages/SystemUI/res/values/dimens.xml b/overlay/frameworks/base/packages/SystemUI/res/values/dimens.xml
index fb885a3..2c56120 100644
--- a/overlay/frameworks/base/packages/SystemUI/res/values/dimens.xml
+++ b/overlay/frameworks/base/packages/SystemUI/res/values/dimens.xml
@@ -2,17 +2,7 @@
 <!--
  * Copyright (c) 2006, The Android Open Source Project
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * SPDX-License-Identifier: Apache-2.0
 */
 -->
 <resources>
diff --git a/overlay/lineage-sdk/lineage/res/res/values/config.xml b/overlay/lineage-sdk/lineage/res/res/values/config.xml
index 3311f01..02f6b95 100644
--- a/overlay/lineage-sdk/lineage/res/res/values/config.xml
+++ b/overlay/lineage-sdk/lineage/res/res/values/config.xml
@@ -1,15 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
      Copyright (C) 2018 The LineageOS Project
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-          http://www.apache.org/licenses/LICENSE-2.0
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
+     SPDX-License-Identifier: Apache-2.0
 -->
 <resources>
 
diff --git a/overlay/packages/apps/Dialer/java/com/android/dialer/callrecord/res/values/config.xml b/overlay/packages/apps/Dialer/java/com/android/dialer/callrecord/res/values/config.xml
index da46c31..ac69395 100644
--- a/overlay/packages/apps/Dialer/java/com/android/dialer/callrecord/res/values/config.xml
+++ b/overlay/packages/apps/Dialer/java/com/android/dialer/callrecord/res/values/config.xml
@@ -2,17 +2,7 @@
 <!--
      Copyright (C) 2016 The CyanogenMod Project
 
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
+     SPDX-License-Identifier: Apache-2.0
 -->
 <resources>
     <bool name="call_recording_enabled">true</bool>
diff --git a/overlay/packages/apps/Settings/res/values/config.xml b/overlay/packages/apps/Settings/res/values/config.xml
index 1fbc04b..00e3727 100644
--- a/overlay/packages/apps/Settings/res/values/config.xml
+++ b/overlay/packages/apps/Settings/res/values/config.xml
@@ -1,15 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-    Copyright (C) 2020 The Proton AOSP Project
-    Licensed under the Apache License, Version 2.0 (the "License");
-    you may not use this file except in compliance with the License.
-    You may obtain a copy of the License at
-        http://www.apache.org/licenses/LICENSE-2.0
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
+     Copyright (C) 2020 The Proton AOSP Project
+     Licensed SPDX-License-Identifier: Apache-2.0
 -->
 <resources>
     <!-- Whether to show Smooth Display feature in Settings Options -->
diff --git a/overlay/packages/services/Telephony/res/values/config.xml b/overlay/packages/services/Telephony/res/values/config.xml
index fe26c06..0549499 100644
--- a/overlay/packages/services/Telephony/res/values/config.xml
+++ b/overlay/packages/services/Telephony/res/values/config.xml
@@ -1,14 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright (C) 2009 The Android Open Source Project
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-          http://www.apache.org/licenses/LICENSE-2.0
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
+     SPDX-License-Identifier: Apache-2.0
 -->
 
 <!-- NOTE: Many variables that used to be in this file have been migrated to
diff --git a/releasetools.py b/releasetools.py
index 7d251da..b49a366 100644
--- a/releasetools.py
+++ b/releasetools.py
@@ -2,17 +2,7 @@
 # Copyright (C) 2019 The Mokee Open Source Project
 # Copyright (C) 2019 The LineageOS Open Source Project
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# SPDX-License-Identifier: Apache-2.0
 
 import common
 
diff --git a/rro_overlays/FrameworksOverlayRMX2151/res/xml/power_profile.xml b/rro_overlays/FrameworksOverlayRMX2151/res/xml/power_profile.xml
index 892fd3a..c8663c1 100644
--- a/rro_overlays/FrameworksOverlayRMX2151/res/xml/power_profile.xml
+++ b/rro_overlays/FrameworksOverlayRMX2151/res/xml/power_profile.xml
@@ -3,17 +3,7 @@
 **
 ** Copyright 2009, The Android Open Source Project
 **
-** Licensed under the Apache License, Version 2.0 (the "License")
-** you may not use this file except in compliance with the License.
-** You may obtain a copy of the License at
-**
-**     http://www.apache.org/licenses/LICENSE-2.0
-**
-** Unless required by applicable law or agreed to in writing, software
-** distributed under the License is distributed on an "AS IS" BASIS,
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-** See the License for the specific language governing permissions and
-** limitations under the License.
+** SPDX-License-Identifier: Apache-2.0
 */
 -->
 
diff --git a/rro_overlays/FrameworksOverlayRMX2161/res/xml/power_profile.xml b/rro_overlays/FrameworksOverlayRMX2161/res/xml/power_profile.xml
index 8f65130..88a3819 100644
--- a/rro_overlays/FrameworksOverlayRMX2161/res/xml/power_profile.xml
+++ b/rro_overlays/FrameworksOverlayRMX2161/res/xml/power_profile.xml
@@ -3,17 +3,7 @@
 **
 ** Copyright 2009, The Android Open Source Project
 **
-** Licensed under the Apache License, Version 2.0 (the "License")
-** you may not use this file except in compliance with the License.
-** You may obtain a copy of the License at
-**
-**     http://www.apache.org/licenses/LICENSE-2.0
-**
-** Unless required by applicable law or agreed to in writing, software
-** distributed under the License is distributed on an "AS IS" BASIS,
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-** See the License for the specific language governing permissions and
-** limitations under the License.
+** SPDX-License-Identifier: Apache-2.0
 */
 -->
 
diff --git a/rro_overlays/SettingsOverlayRM6785/AndroidManifest.xml b/rro_overlays/SettingsOverlayRM6785/AndroidManifest.xml
index b0bedc5..7b9292b 100644
--- a/rro_overlays/SettingsOverlayRM6785/AndroidManifest.xml
+++ b/rro_overlays/SettingsOverlayRM6785/AndroidManifest.xml
@@ -1,14 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright (C) 2019 The Android Open Source Project
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-          http://www.apache.org/licenses/LICENSE-2.0
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
+     SPDX-License-Identifier: Apache-2.0
 -->
 <!-- Pixel specific wifi overlays -->
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
diff --git a/rro_overlays/TetheringOverlayRM6785/res/values/config.xml b/rro_overlays/TetheringOverlayRM6785/res/values/config.xml
index fa4caa6..8648631 100644
--- a/rro_overlays/TetheringOverlayRM6785/res/values/config.xml
+++ b/rro_overlays/TetheringOverlayRM6785/res/values/config.xml
@@ -3,17 +3,7 @@
 /*
 ** Copyright 2020, The Android Open Source Project
 **
-** Licensed under the Apache License, Version 2.0 (the "License");
-** you may not use this file except in compliance with the License.
-** You may obtain a copy of the License at
-**
-**     http://www.apache.org/licenses/LICENSE-2.0
-**
-** Unless required by applicable law or agreed to in writing, software
-** distributed under the License is distributed on an "AS IS" BASIS,
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-** See the License for the specific language governing permissions and
-** limitations under the License.
+** SPDX-License-Identifier: Apache-2.0
 */
 -->
 
diff --git a/rro_overlays/WifiOverlayRM6785/AndroidManifest.xml b/rro_overlays/WifiOverlayRM6785/AndroidManifest.xml
index bc12981..57fa308 100644
--- a/rro_overlays/WifiOverlayRM6785/AndroidManifest.xml
+++ b/rro_overlays/WifiOverlayRM6785/AndroidManifest.xml
@@ -1,14 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright (C) 2019 The Android Open Source Project
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-          http://www.apache.org/licenses/LICENSE-2.0
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
+     SPDX-License-Identifier: Apache-2.0
 -->
 <!-- Pixel specific wifi overlays -->
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
diff --git a/rro_overlays/WifiOverlayRM6785/res/values/config.xml b/rro_overlays/WifiOverlayRM6785/res/values/config.xml
index adac5d5..07258ab 100644
--- a/rro_overlays/WifiOverlayRM6785/res/values/config.xml
+++ b/rro_overlays/WifiOverlayRM6785/res/values/config.xml
@@ -1,14 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright (C) 2019 The Android Open Source Project
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-          http://www.apache.org/licenses/LICENSE-2.0
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
+     SPDX-License-Identifier: Apache-2.0
 -->
 
 <!-- These resources are around just to allow their values to be customized
diff --git a/setup-makefiles.sh b/setup-makefiles.sh
index adf617b..5e996a7 100755
--- a/setup-makefiles.sh
+++ b/setup-makefiles.sh
@@ -3,17 +3,7 @@
 # Copyright (C) 2016 The CyanogenMod Project
 # Copyright (C) 2017-2020 The LineageOS Project
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# SPDX-License-Identifier: Apache-2.0
 #
 
 set -e