--- old/src/hotspot/share/code/nmethod.hpp	2019-04-25 11:54:04.240472613 +0200
+++ new/src/hotspot/share/code/nmethod.hpp	2019-04-25 11:54:03.507447926 +0200
@@ -375,7 +375,7 @@
 
   int   comp_level() const                        { return _comp_level; }
 
-  void unlink_from_method(bool acquire_lock);
+  void unlink_from_method();
 
   // Support for oops in scopes and relocs:
   // Note: index 0 is reserved for null.