diff --git a/package/grpc/grpc.mk b/package/grpc/grpc.mk
index 47ebf1997c..39be4f583f 100644
--- a/package/grpc/grpc.mk
+++ b/package/grpc/grpc.mk
@@ -59,11 +59,6 @@ GRPC_CFLAGS += -DGPR_DISABLE_WRAPPED_MEMCPY
 GRPC_CXXFLAGS += -DGPR_DISABLE_WRAPPED_MEMCPY
 endif
 
-ifeq ($(BR2_TOOLCHAIN_HAS_GCC_BUG_85180),y)
-GRPC_CFLAGS += -O0
-GRPC_CXXFLAGS += -O0
-endif
-
 GRPC_CONF_OPTS += \
 	-DCMAKE_C_FLAGS="$(GRPC_CFLAGS)" \
 	-DCMAKE_CXX_FLAGS="$(GRPC_CXXFLAGS)"