--- old/src/share/vm/gc/g1/g1MarkSweep.hpp	2017-06-14 16:35:38.606030315 +0200
+++ new/src/share/vm/gc/g1/g1MarkSweep.hpp	2017-06-14 16:35:38.470024946 +0200
@@ -52,8 +52,8 @@
   static void invoke_at_safepoint(ReferenceProcessor* rp,
                                   bool clear_all_softrefs);
 
-  static STWGCTimer* gc_timer() { return GenMarkSweep::_gc_timer; }
-  static SerialOldTracer* gc_tracer() { return GenMarkSweep::_gc_tracer; }
+  static STWGCTimer* gc_timer();
+  static SerialOldTracer* gc_tracer();
 
 private:
   // Mark live objects