diff --git a/google-api-client-java6/src/main/java/com/google/api/client/googleapis/extensions/java6/auth/oauth2/GooglePromptReceiver.java b/google-api-client-java6/src/main/java/com/google/api/client/googleapis/extensions/java6/auth/oauth2/GooglePromptReceiver.java
index 1a97fb27a..4e8e580c9 100644
--- a/google-api-client-java6/src/main/java/com/google/api/client/googleapis/extensions/java6/auth/oauth2/GooglePromptReceiver.java
+++ b/google-api-client-java6/src/main/java/com/google/api/client/googleapis/extensions/java6/auth/oauth2/GooglePromptReceiver.java
@@ -27,6 +27,7 @@
  * @since 1.11
  * @author Yaniv Inbar
  */
+@Deprecated
 public class GooglePromptReceiver extends AbstractPromptReceiver {
 
   @Override