diff --git a/services/core/java/com/android/server/wm/ActivityRecord.java b/services/core/java/com/android/server/wm/ActivityRecord.java
index 0ad8782cea4fc..dd545290c3774 100644
--- a/services/core/java/com/android/server/wm/ActivityRecord.java
+++ b/services/core/java/com/android/server/wm/ActivityRecord.java
@@ -5015,6 +5015,7 @@ final class ActivityRecord extends WindowToken implements WindowManagerService.A
         mAppStopped = true;
         // Reset the last saved PiP snap fraction on app stop.
         mDisplayContent.mPinnedTaskController.onActivityHidden(mActivityComponent);
+        mDisplayContent.mUnknownAppVisibilityController.appRemovedOrHidden(this);
         destroySurfaces();
         // Remove any starting window that was added for this app if they are still around.
         removeStartingWindow();