--- old/src/hotspot/os/linux/os_linux.hpp	2018-05-17 15:55:04.655604666 -0400
+++ new/src/hotspot/os/linux/os_linux.hpp	2018-05-17 15:55:04.332574681 -0400
@@ -160,7 +160,6 @@
   static void signal_sets_init();
   static void install_signal_handlers();
   static void set_signal_handler(int, bool);
-  static bool is_sig_ignored(int sig);
 
   static sigset_t* unblocked_signals();
   static sigset_t* vm_signals();