diff --git a/gax-grpc/src/test/java/com/google/longrunning/MockOperations.java b/gax-grpc/src/test/java/com/google/longrunning/MockOperations.java
index 58effb067..624eaa5c6 100644
--- a/gax-grpc/src/test/java/com/google/longrunning/MockOperations.java
+++ b/gax-grpc/src/test/java/com/google/longrunning/MockOperations.java
@@ -35,7 +35,6 @@
 import io.grpc.ServerServiceDefinition;
 import java.util.List;
 
-@javax.annotation.Generated("by GAPIC")
 @BetaApi
 public class MockOperations implements MockGrpcService {
   private final MockOperationsImpl serviceImpl;
diff --git a/gax-grpc/src/test/java/com/google/longrunning/MockOperationsImpl.java b/gax-grpc/src/test/java/com/google/longrunning/MockOperationsImpl.java
index f2b6eef03..594508d3d 100644
--- a/gax-grpc/src/test/java/com/google/longrunning/MockOperationsImpl.java
+++ b/gax-grpc/src/test/java/com/google/longrunning/MockOperationsImpl.java
@@ -39,7 +39,6 @@
 import java.util.List;
 import java.util.Queue;
 
-@javax.annotation.Generated("by GAPIC")
 @BetaApi
 public class MockOperationsImpl extends OperationsImplBase {
   private List<AbstractMessage> requests;