diff --git a/src/hotspot/share/runtime/sharedRuntime.hpp b/src/hotspot/share/runtime/sharedRuntime.hpp
index 8c7bf70..f10198d 100644
--- a/src/hotspot/share/runtime/sharedRuntime.hpp
+++ b/src/hotspot/share/runtime/sharedRuntime.hpp
@@ -182,12 +182,6 @@ class SharedRuntime: AllStatic {
   static address raw_exception_handler_for_return_address(JavaThread* thread, address return_address);
   static address exception_handler_for_return_address(JavaThread* thread, address return_address);
 
-#if INCLUDE_G1GC
-  // G1 write barriers
-  static void g1_wb_pre(oopDesc* orig, JavaThread *thread);
-  static void g1_wb_post(void* card_addr, JavaThread* thread);
-#endif // INCLUDE_G1GC
-
   // exception handling and implicit exceptions
   static address compute_compiled_exc_handler(CompiledMethod* nm, address ret_pc, Handle& exception,
                                               bool force_unwind, bool top_frame_only, bool& recursive_exception_occurred);