--- old/src/hotspot/share/gc/g1/g1AllocationContext.hpp	2018-02-20 13:59:48.921246199 +0100
+++ new/src/hotspot/share/gc/g1/g1AllocationContext.hpp	2018-02-20 13:59:48.621234441 +0100
@@ -41,12 +41,4 @@
   }
 };
 
-class AllocationContextStats: public StackObj {
-public:
-  inline void clear() { }
-  inline void update(bool full_gc) { }
-  inline void update_after_mark() { }
-  inline bool available() { return false; }
-};
-
 #endif // SHARE_VM_GC_G1_G1ALLOCATIONCONTEXT_HPP