diff --git a/test/pubsub/index.js b/test/pubsub/index.js
index 2a0ee67dec5b..acd5eca95c43 100644
--- a/test/pubsub/index.js
+++ b/test/pubsub/index.js
@@ -38,7 +38,6 @@ var fakeUtil = extend({}, util);
 
 function FakeGrpcService() {
   this.calledWith_ = arguments;
-  GrpcService.apply(this, arguments);
 }
 
 nodeutil.inherits(FakeGrpcService, GrpcService);