--- old/src/share/vm/runtime/arguments.hpp	2015-11-19 15:35:27.622128553 +0100
+++ new/src/share/vm/runtime/arguments.hpp	2015-11-19 15:35:27.506128557 +0100
@@ -284,7 +284,6 @@
 
   // Option flags
   static bool   _has_profile;
-  static const char*  _gc_log_filename;
   // Value of the conservative maximum heap alignment needed
   static size_t  _conservative_max_heap_alignment;
 
@@ -543,9 +542,6 @@
   // -Dsun.java.launcher.pid
   static int sun_java_launcher_pid()        { return _sun_java_launcher_pid; }
 
-  // -Xloggc:<file>, if not specified will be NULL
-  static const char* gc_log_filename()      { return _gc_log_filename; }
-
   // -Xprof
   static bool has_profile()                 { return _has_profile; }