diff --git a/llvm/lib/Target/CBackend/Makefile b/llvm/lib/Target/CBackend/Makefile
index 9e00bdb1426e4d896c9007e628b210924afcc7e3..052a4eb3ff4d4f4a7a62a5740e9cd95a3887481f 100644
--- a/llvm/lib/Target/CBackend/Makefile
+++ b/llvm/lib/Target/CBackend/Makefile
@@ -11,5 +11,4 @@ LEVEL = ../../..
 LIBRARYNAME = LLVMCBackend
 include $(LEVEL)/Makefile.common
 
-CompileCommonOpts := $(filter-out -pedantic,$(CompileCommonOpts))
-CompileCommonOpts := $(filter-out -Wno-long-long,$(CompileCommonOpts))
+CompileCommonOpts := $(CompileCommonOpts) -Wno-format