diff --git a/src/hotspot/cpu/arm/gc/g1/g1BarrierSetAssembler_arm.hpp b/src/hotspot/cpu/arm/gc/g1/g1BarrierSetAssembler_arm.hpp
index af21574..0edbf57 100644
--- a/src/hotspot/cpu/arm/gc/g1/g1BarrierSetAssembler_arm.hpp
+++ b/src/hotspot/cpu/arm/gc/g1/g1BarrierSetAssembler_arm.hpp
@@ -27,6 +27,7 @@
 
 #include "asm/macroAssembler.hpp"
 #include "gc/shared/modRefBarrierSetAssembler.hpp"
+#include "utilities/macros.hpp"
 
 class LIR_Assembler;
 class StubAssembler;
@@ -40,11 +41,13 @@ protected:
   void gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators,
                                         Register addr, Register count, Register tmp);
 
+#ifdef COMPILER1
   void gen_g1_pre_barrier_stub(LIR_Assembler* ce, G1PreBarrierStub* stub);
   void gen_g1_post_barrier_stub(LIR_Assembler* ce, G1PostBarrierStub* stub);
 
   void generate_c1_pre_barrier_runtime_stub(StubAssembler* sasm);
   void generate_c1_post_barrier_runtime_stub(StubAssembler* sasm);
+#endif
 };
 
 #endif // CPU_ARM_GC_G1_G1BARRIERSETASSEMBLER_ARM_HPP