diff --git a/notification/MessagingService/Application/libs/android-auto-sdk.jar b/notification/MessagingService/Application/libs/android-auto-sdk.jar
deleted file mode 100644
index 8a9897d..0000000
--- a/notification/MessagingService/Application/libs/android-auto-sdk.jar
+++ /dev/null
Binary files differ
diff --git a/notification/MessagingService/Application/src/main/java/com/example/android/messagingservice/MessagingService.java b/notification/MessagingService/Application/src/main/java/com/example/android/messagingservice/MessagingService.java
index f980375..f590061 100644
--- a/notification/MessagingService/Application/src/main/java/com/example/android/messagingservice/MessagingService.java
+++ b/notification/MessagingService/Application/src/main/java/com/example/android/messagingservice/MessagingService.java
@@ -24,8 +24,8 @@
 import android.os.IBinder;
 import android.os.Message;
 import android.os.Messenger;
-import android.preview.support.v4.app.NotificationCompat.CarExtender;
-import android.preview.support.v4.app.NotificationCompat.CarExtender.UnreadConversation;
+import android.support.v4.app.NotificationCompat.CarExtender;
+import android.support.v4.app.NotificationCompat.CarExtender.UnreadConversation;
 import android.support.v4.app.NotificationCompat;
 import android.support.v4.app.NotificationManagerCompat;
 import android.support.v4.app.RemoteInput;
diff --git a/notification/MessagingService/template-params.xml b/notification/MessagingService/template-params.xml
index edbeca9..7866642 100644
--- a/notification/MessagingService/template-params.xml
+++ b/notification/MessagingService/template-params.xml
@@ -21,8 +21,6 @@
 
     <minSdk>21</minSdk>
 
-    <dependency_external>'libs/android-auto-sdk.jar'</dependency_external>
-
     <strings>
         <intro>
             <![CDATA[