diff --git a/core/java/android/net/nsd/INsdManager.aidl b/core/java/android/net/nsd/INsdManager.aidl
index 3361a7b84b..9484c74bcb 100644
--- a/core/java/android/net/nsd/INsdManager.aidl
+++ b/core/java/android/net/nsd/INsdManager.aidl
@@ -25,6 +25,7 @@ import android.os.Messenger;
  */
 interface INsdManager
 {
+    @UnsupportedAppUsage
     Messenger getMessenger();
     void setEnabled(boolean enable);
 }