diff --git a/core/java/android/hardware/input/InputManager.java b/core/java/android/hardware/input/InputManager.java
index 72217a1196ea8..267057c7b8461 100644
--- a/core/java/android/hardware/input/InputManager.java
+++ b/core/java/android/hardware/input/InputManager.java
@@ -189,7 +189,7 @@ public final class InputManager {
      * Waits for the event to be delivered to the application and handled.
      * @hide
      */
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(trackingBug = 171972397)
     public static final int INJECT_INPUT_EVENT_MODE_WAIT_FOR_FINISH = 2;  // see InputDispatcher.h
 
     /** @hide */