diff --git a/apex/jobscheduler/service/java/com/android/server/AppStateTrackerImpl.java b/apex/jobscheduler/service/java/com/android/server/AppStateTrackerImpl.java
index 3fc87d3..ce381b6 100644
--- a/apex/jobscheduler/service/java/com/android/server/AppStateTrackerImpl.java
+++ b/apex/jobscheduler/service/java/com/android/server/AppStateTrackerImpl.java
@@ -22,7 +22,7 @@
 import android.app.AppOpsManager;
 import android.app.AppOpsManager.PackageOps;
 import android.app.IActivityManager;
-import android.app.IUidObserver;
+import android.app.UidObserver;
 import android.app.usage.UsageStatsManager;
 import android.content.BroadcastReceiver;
 import android.content.Context;
@@ -716,11 +716,7 @@
         return true;
     }
 
-    private final class UidObserver extends IUidObserver.Stub {
-        @Override
-        public void onUidStateChanged(int uid, int procState, long procStateSeq, int capability) {
-        }
-
+    private final class UidObserver extends android.app.UidObserver {
         @Override
         public void onUidActive(int uid) {
             mHandler.onUidActive(uid);
@@ -740,10 +736,6 @@
         public void onUidCachedChanged(int uid, boolean cached) {
             mHandler.onUidCachedChanged(uid, cached);
         }
-
-        @Override
-        public void onUidProcAdjChanged(int uid) {
-        }
     }
 
     private final class AppOpsWatcher extends IAppOpsCallback.Stub {
diff --git a/apex/jobscheduler/service/java/com/android/server/job/controllers/QuotaController.java b/apex/jobscheduler/service/java/com/android/server/job/controllers/QuotaController.java
index aca0a6e..175c8d1 100644
--- a/apex/jobscheduler/service/java/com/android/server/job/controllers/QuotaController.java
+++ b/apex/jobscheduler/service/java/com/android/server/job/controllers/QuotaController.java
@@ -35,7 +35,7 @@
 import android.annotation.UserIdInt;
 import android.app.ActivityManager;
 import android.app.AlarmManager;
-import android.app.IUidObserver;
+import android.app.UidObserver;
 import android.app.usage.UsageEvents;
 import android.app.usage.UsageStatsManagerInternal;
 import android.app.usage.UsageStatsManagerInternal.UsageEventListener;
@@ -382,31 +382,11 @@
                 }
             };
 
-    private class QcUidObserver extends IUidObserver.Stub {
+    private class QcUidObserver extends UidObserver {
         @Override
         public void onUidStateChanged(int uid, int procState, long procStateSeq, int capability) {
             mHandler.obtainMessage(MSG_UID_PROCESS_STATE_CHANGED, uid, procState).sendToTarget();
         }
-
-        @Override
-        public void onUidGone(int uid, boolean disabled) {
-        }
-
-        @Override
-        public void onUidActive(int uid) {
-        }
-
-        @Override
-        public void onUidIdle(int uid, boolean disabled) {
-        }
-
-        @Override
-        public void onUidCachedChanged(int uid, boolean cached) {
-        }
-
-        @Override
-        public void onUidProcAdjChanged(int uid) {
-        }
     }
 
     /**
diff --git a/apex/jobscheduler/service/java/com/android/server/tare/ProcessStateModifier.java b/apex/jobscheduler/service/java/com/android/server/tare/ProcessStateModifier.java
index 3578c8a..58536675 100644
--- a/apex/jobscheduler/service/java/com/android/server/tare/ProcessStateModifier.java
+++ b/apex/jobscheduler/service/java/com/android/server/tare/ProcessStateModifier.java
@@ -20,6 +20,7 @@
 import android.annotation.NonNull;
 import android.app.ActivityManager;
 import android.app.IUidObserver;
+import android.app.UidObserver;
 import android.os.RemoteException;
 import android.util.IndentingPrintWriter;
 import android.util.Slog;
@@ -61,7 +62,7 @@
     @GuardedBy("mLock")
     private final SparseIntArray mUidProcStateBucketCache = new SparseIntArray();
 
-    private final IUidObserver mUidObserver = new IUidObserver.Stub() {
+    private final IUidObserver mUidObserver = new UidObserver() {
         @Override
         public void onUidStateChanged(int uid, int procState, long procStateSeq, int capability) {
             final int newBucket = getProcStateBucket(procState);
@@ -85,22 +86,6 @@
                 notifyStateChangedLocked(uid);
             }
         }
-
-        @Override
-        public void onUidActive(int uid) {
-        }
-
-        @Override
-        public void onUidIdle(int uid, boolean disabled) {
-        }
-
-        @Override
-        public void onUidCachedChanged(int uid, boolean cached) {
-        }
-
-        @Override
-        public void onUidProcAdjChanged(int uid) {
-        }
     };
 
     ProcessStateModifier(@NonNull InternalResourceService irs) {