--- a/hotspot/src/share/vm/gc/shared/modRefBarrierSet.hpp	Wed Sep 02 16:16:58 2015 +0200
+++ b/hotspot/src/share/vm/gc/shared/modRefBarrierSet.hpp	Wed Sep 02 11:41:42 2015 -0400
@@ -60,7 +60,6 @@
     : BarrierSet(fake_rtti.add_tag(BarrierSet::ModRef)) { }
   ~ModRefBarrierSet() { }
 
-  virtual void write_ref_field_work(void* field, oop new_val, bool release = false) = 0;
 public:
   void write_prim_field(HeapWord* field, size_t bytes,
                         juint val1, juint val2) {}