diff --git a/config/preloaded-classes-blacklist b/config/preloaded-classes-blacklist
index 5e54559d4b9b9..48d579cc118e6 100644
--- a/config/preloaded-classes-blacklist
+++ b/config/preloaded-classes-blacklist
@@ -2,6 +2,7 @@ android.content.AsyncTaskLoader$LoadTask
 android.net.ConnectivityThread$Singleton
 android.os.AsyncTask
 android.os.FileObserver
+android.os.NullVibrator
 android.speech.tts.TextToSpeech$Connection$SetupConnectionAsyncTask
 android.widget.Magnifier
-
+com.android.server.BootReceiver$2