--- a/hotspot/src/share/vm/gc/shared/workgroup.hpp	Fri Apr 01 07:08:30 2016 +0200
+++ b/hotspot/src/share/vm/gc/shared/workgroup.hpp	Fri Apr 01 07:08:40 2016 +0200
@@ -234,9 +234,6 @@
   void run_task(WorkData work);
   void signal_task_done();
 
-  void print_task_started(WorkData data);
-  void print_task_done(WorkData data);
-
   WorkGang* gang() const { return (WorkGang*)_gang; }
 };