--- a/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/Thread.java	Wed Nov 13 11:21:15 2019 +0100
+++ b/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/Thread.java	Wed Nov 13 11:37:29 2019 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2019, 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
@@ -118,7 +118,6 @@
   public boolean   isHiddenFromExternalView()    { return false; }
   public boolean   isJvmtiAgentThread()          { return false; }
   public boolean   isWatcherThread()             { return false; }
-  public boolean   isConcurrentMarkSweepThread() { return false; }
   public boolean   isServiceThread()             { return false; }
 
   /** Memory operations */