diff --git a/.github/workflows/manager.yml b/.github/workflows/manager.yml
index dc91bdf9..c03e2947 100644
--- a/.github/workflows/manager.yml
+++ b/.github/workflows/manager.yml
@@ -51,6 +51,11 @@ jobs:
         with:
           name: manager-unsigned
           path: "app/build/outputs/apk/release/*.apk"
+      - name: Upload mappings
+        uses: actions/upload-artifact@v2
+        with:
+          name: mappings
+          path: "app/build/outputs/mapping"
       - name: Post to channel
         if: ${{ github.event_name != 'pull_request' && success() && github.ref == 'refs/heads/master' }}
         env:
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index eac052a5..21cd2b8b 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -19,9 +19,4 @@
 # If you keep the line number information, uncomment this to
 # hide the original source file name.
 #-renamesourcefileattribute SourceFile
--keep class io.github.lsposed.manager.Constants { *; }
--keepnames class io.github.lsposed.manager.adapters.* { *; }
--keepnames class io.github.lsposed.manager.receivers.* { *; }
--keepnames class io.github.lsposed.manager.ui.* { *; }
--keepnames class io.github.lsposed.manager.utils.* { *; }
--keepnames class io.github.lsposed.manager.* { *; }
\ No newline at end of file
+-keep class io.github.lsposed.manager.Constants { *; }
\ No newline at end of file
diff --git a/hiddenapi-stubs/src/main/java/android/content/pm/IPackageManager.java b/hiddenapi-stubs/src/main/java/android/content/pm/IPackageManager.java
deleted file mode 100644
index 15ae4ab8..00000000
--- a/hiddenapi-stubs/src/main/java/android/content/pm/IPackageManager.java
+++ /dev/null
@@ -1,25 +0,0 @@
-package android.content.pm;
-
-import android.os.Binder;
-import android.os.IBinder;
-import android.os.IInterface;
-import android.os.RemoteException;
-
-import java.util.List;
-
-public interface IPackageManager extends IInterface {
-
-    void forceDexOpt(String packageName) throws RemoteException;
-    boolean performDexOptMode(String packageName, boolean checkProfiles,
-                              String targetCompilerFilter, boolean force, boolean bootComplete, String splitName) throws RemoteException;
-    void clearApplicationProfileData(String packageName) throws RemoteException;
-    List<String> getAllPackages() throws RemoteException;
-    boolean runBackgroundDexoptJob(List<String> packageNames) throws RemoteException;
-
-    abstract class Stub extends Binder implements IPackageManager {
-
-        public static IPackageManager asInterface(IBinder obj) {
-            throw new UnsupportedOperationException();
-        }
-    }
-}
diff --git a/hiddenapi-stubs/src/main/java/android/os/IPowerManager.java b/hiddenapi-stubs/src/main/java/android/os/IPowerManager.java
deleted file mode 100644
index 56bf154e..00000000
--- a/hiddenapi-stubs/src/main/java/android/os/IPowerManager.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package android.os;
-
-public interface IPowerManager extends IInterface {
-
-    void reboot(boolean confirm, String reason, boolean wait) throws RemoteException;
-
-    abstract class Stub extends Binder implements IPowerManager {
-
-        public static IPowerManager asInterface(IBinder obj) {
-            throw new UnsupportedOperationException();
-        }
-    }
-}