--- a/src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp	Thu Nov 08 11:22:28 2018 -0800
+++ b/src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp	Thu Nov 08 11:45:13 2018 -0800
@@ -288,10 +288,6 @@
   return address(((uint64_t)insn_addr + (offset << 2)));
 }
 
-void MacroAssembler::serialize_memory(Register thread, Register tmp) {
-  dsb(Assembler::SY);
-}
-
 void MacroAssembler::safepoint_poll(Label& slow_path) {
   if (SafepointMechanism::uses_thread_local_poll()) {
     ldr(rscratch1, Address(rthread, Thread::polling_page_offset()));