--- a/src/hotspot/share/gc/shared/threadLocalAllocBuffer.hpp	Thu Jun 28 09:06:54 2018 +0200
+++ b/src/hotspot/share/gc/shared/threadLocalAllocBuffer.hpp	Thu Jun 28 09:15:53 2018 +0200
@@ -89,8 +89,6 @@
 
   size_t remaining();
 
-  bool is_last_allocation(HeapWord* obj, size_t size) { return pointer_delta(top(), obj) == size; }
-
   // Make parsable and release it.
   void reset();
 
@@ -143,9 +141,6 @@
   inline HeapWord* allocate(size_t size);
   HeapWord* allocate_sampled_object(size_t size);
 
-  // Undo last allocation.
-  inline bool undo_allocate(HeapWord* obj, size_t size);
-
   // Reserve space at the end of TLAB
   static size_t end_reserve() {
     int reserve_size = typeArrayOopDesc::header_size(T_INT);