--- old/src/hotspot/os/bsd/os_share_bsd.hpp	2018-05-17 15:07:24.881248249 -0400
+++ new/src/hotspot/os/bsd/os_share_bsd.hpp	2018-05-17 15:07:24.463209454 -0400
@@ -26,7 +26,6 @@
 #define OS_BSD_VM_OS_SHARE_BSD_HPP
 
 // misc
-void signalHandler(int, siginfo_t*, ucontext_t*);
 void handle_unexpected_exception(Thread* thread, int sig, siginfo_t* info, address pc, address adjusted_pc);
 #ifndef PRODUCT
 void continue_with_dump(void);