--- old/src/hotspot/cpu/aarch64/macroAssembler_aarch64.hpp	2018-04-27 16:02:18.374134831 +0200
+++ new/src/hotspot/cpu/aarch64/macroAssembler_aarch64.hpp	2018-04-27 16:02:18.130134840 +0200
@@ -781,23 +781,6 @@
 
   void resolve_jobject(Register value, Register thread, Register tmp);
 
-#if INCLUDE_ALL_GCS
-
-  void g1_write_barrier_pre(Register obj,
-                            Register pre_val,
-                            Register thread,
-                            Register tmp,
-                            bool tosca_live,
-                            bool expand_call);
-
-  void g1_write_barrier_post(Register store_addr,
-                             Register new_val,
-                             Register thread,
-                             Register tmp,
-                             Register tmp2);
-
-#endif // INCLUDE_ALL_GCS
-
   // oop manipulations
   void load_klass(Register dst, Register src);
   void store_klass(Register dst, Register src);