--- a/src/hotspot/share/gc/parallel/pcTasks.hpp	Wed May 09 11:24:12 2018 +0200
+++ b/src/hotspot/share/gc/parallel/pcTasks.hpp	Wed May 09 13:37:05 2018 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -132,32 +132,6 @@
 };
 
 
-
-//
-// RefEnqueueTaskProxy
-//
-// This task is used as a proxy to parallel reference processing tasks .
-//
-
-class RefEnqueueTaskProxy: public GCTask {
-  typedef AbstractRefProcTaskExecutor::EnqueueTask EnqueueTask;
-  EnqueueTask& _enq_task;
-  uint         _work_id;
-
-public:
-  RefEnqueueTaskProxy(EnqueueTask& enq_task, uint work_id)
-    : _enq_task(enq_task),
-      _work_id(work_id)
-  { }
-
-  virtual char* name() { return (char *)"Enqueue reference objects in parallel"; }
-  virtual void do_it(GCTaskManager* manager, uint which)
-  {
-    _enq_task.work(_work_id);
-  }
-};
-
-
 //
 // RefProcTaskExecutor
 //
@@ -167,7 +141,6 @@
 
 class RefProcTaskExecutor: public AbstractRefProcTaskExecutor {
   virtual void execute(ProcessTask& task);
-  virtual void execute(EnqueueTask& task);
 };