diff --git a/binder_bindings/android/os/IUpdateEngineCallback.aidl b/binder_bindings/android/os/IUpdateEngineCallback.aidl
index ee15c8b..4bacf9a 100644
--- a/binder_bindings/android/os/IUpdateEngineCallback.aidl
+++ b/binder_bindings/android/os/IUpdateEngineCallback.aidl
@@ -19,6 +19,7 @@
 /** @hide */
 oneway interface IUpdateEngineCallback {
   /** @hide */
+  @UnsupportedAppUsage
   void onStatusUpdate(int status_code, float percentage);
   /** @hide */
   void onPayloadApplicationComplete(int error_code);