diff a/src/hotspot/share/gc/cms/gSpaceCounters.cpp b/src/hotspot/share/gc/cms/gSpaceCounters.cpp
--- a/src/hotspot/share/gc/cms/gSpaceCounters.cpp
+++ b/src/hotspot/share/gc/cms/gSpaceCounters.cpp
@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2002, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 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
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
@@ -72,7 +72,7 @@
                                      _gen->capacity(), CHECK);
   }
 }
 
 GSpaceCounters::~GSpaceCounters() {
-  if (_name_space != NULL) FREE_C_HEAP_ARRAY(char, _name_space);
+  FREE_C_HEAP_ARRAY(char, _name_space);
 }