diff -r 05a408cbd945 -r d58e1a447d2b src/hotspot/share/jfr/recorder/storage/jfrBuffer.hpp
--- a/src/hotspot/share/jfr/recorder/storage/jfrBuffer.hpp	Tue May 28 06:42:32 2019 -0400
+++ b/src/hotspot/share/jfr/recorder/storage/jfrBuffer.hpp	Tue May 28 13:28:48 2019 +0200
@@ -145,8 +145,6 @@
     return _identity;
   }
 
-  void clear_identity();
-
   void acquire(const void* id);
   bool try_acquire(const void* id);
   bool acquired_by(const void* id) const;