--- a/src/hotspot/share/runtime/flags/jvmFlag.hpp	Mon Sep 09 09:05:30 2019 +0200
+++ b/src/hotspot/share/runtime/flags/jvmFlag.hpp	Wed Sep 04 11:05:20 2019 +0200
@@ -206,11 +206,6 @@
   bool is_writeable() const;
   bool is_external() const;
 
-  bool is_unlocker_ext() const;
-  bool is_unlocked_ext() const;
-  bool is_writeable_ext() const;
-  bool is_external_ext() const;
-
   void clear_diagnostic();
 
   JVMFlag::MsgType get_locked_message(char*, int) const;