diff --git a/util/cbfstool/Makefile b/util/cbfstool/Makefile
index 796a182253..64db0b3164 100644
--- a/util/cbfstool/Makefile
+++ b/util/cbfstool/Makefile
@@ -12,6 +12,7 @@ all: $(objutil)/cbfstool/cbfstool \
 
 .PHONY: clean
 clean:
+	$(RM) fmd_parser.c fmd_parser.h fmd_scanner.c fmd_scanner.h
 	$(RM) $(objutil)/cbfstool/cbfstool $(cbfsobj)
 	$(RM) $(objutil)/cbfstool/fmaptool $(fmapobj)
 	$(RM) $(objutil)/cbfstool/rmodtool $(rmodobj)