--- a/src/hotspot/share/utilities/decoder.hpp	Thu Nov 08 12:24:08 2018 +0100
+++ b/src/hotspot/share/utilities/decoder.hpp	Thu Nov 08 07:42:08 2018 -0500
@@ -131,7 +131,6 @@
   static NullDecoder          _do_nothing_decoder;
 
 protected:
-  static Mutex*               _shared_decoder_lock;
   static Mutex* shared_decoder_lock();
 
   friend class DecoderLocker;