diff --git a/core/llvm_config.mk b/core/llvm_config.mk
index 33cf6d1aea..6d08e78474 100644
--- a/core/llvm_config.mk
+++ b/core/llvm_config.mk
@@ -67,6 +67,11 @@ TARGET_thumb_CLANG_CFLAGS += $(filter-out $(CLANG_CONFIG_UNKNOWN_CFLAGS),$(TARGE
 $(call clang-flags-subst,-march=armv5te,-march=armv5t)
 $(call clang-flags-subst,-march=armv5e,-march=armv5)
 
+# clang does not support -Wno-psabi and -Wno-unused-but-set-variable
+$(call clang-flags-subst,-Wno-psabi,)
+$(call clang-flags-subst,-Wno-unused-but-set-variable,)
+
+
 ADDRESS_SANITIZER_CONFIG_EXTRA_CFLAGS := -faddress-sanitizer
 ADDRESS_SANITIZER_CONFIG_EXTRA_LDFLAGS := -Wl,-u,__asan_preinit
 ADDRESS_SANITIZER_CONFIG_EXTRA_SHARED_LIBRARIES := libdl libasan_preload