--- a/hotspot/src/share/vm/memory/iterator.hpp	Thu Apr 02 16:06:07 2015 +0200
+++ b/hotspot/src/share/vm/memory/iterator.hpp	Thu Apr 02 16:07:27 2015 +0200
@@ -288,16 +288,6 @@
   // Called for each code blob, but at most once per unique blob.
 
   virtual void do_code_blob(CodeBlob* cb);
-
-  class MarkScope : public StackObj {
-  protected:
-    bool _active;
-  public:
-    MarkScope(bool activate = true);
-      // = { if (active) nmethod::oops_do_marking_prologue(); }
-    ~MarkScope();
-      // = { if (active) nmethod::oops_do_marking_epilogue(); }
-  };
 };
 
 // MonitorClosure is used for iterating over monitors in the monitors cache