--- a/src/hotspot/share/memory/arena.cpp	Thu Jul 18 14:01:54 2019 +0200
+++ b/src/hotspot/share/memory/arena.cpp	Fri Jul 19 10:18:48 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -475,10 +475,6 @@
 
 #ifndef PRODUCT
 
-julong Arena::_bytes_allocated = 0;
-
-void Arena::inc_bytes_allocated(size_t x) { inc_stat_counter(&_bytes_allocated, x); }
-
 // debugging code
 inline void Arena::free_all(char** start, char** end) {
   for (char** p = start; p < end; p++) if (*p) os::free(*p);