diff --git a/services/core/java/com/android/server/wm/ActivityTaskManagerService.java b/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
index e02456e..2e53cd5 100644
--- a/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
+++ b/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
@@ -4683,6 +4683,24 @@
     }
 
     @Override
+    public void unregisterRemoteAnimations(IBinder token) {
+        mAmInternal.enforceCallingPermission(CONTROL_REMOTE_APP_TRANSITION_ANIMATIONS,
+                "unregisterRemoteAnimations");
+        synchronized (mGlobalLock) {
+            final ActivityRecord r = ActivityRecord.isInStackLocked(token);
+            if (r == null) {
+                return;
+            }
+            final long origId = Binder.clearCallingIdentity();
+            try {
+                r.unregisterRemoteAnimations();
+            } finally {
+                Binder.restoreCallingIdentity(origId);
+            }
+        }
+    }
+
+    @Override
     public void registerRemoteAnimationForNextActivityStart(String packageName,
             RemoteAnimationAdapter adapter) {
         mAmInternal.enforceCallingPermission(CONTROL_REMOTE_APP_TRANSITION_ANIMATIONS,