diff --git a/scripts/genksyms/Makefile b/scripts/genksyms/Makefile
index a5510903e87..aca33b98bf6 100644
--- a/scripts/genksyms/Makefile
+++ b/scripts/genksyms/Makefile
@@ -11,3 +11,4 @@ HOSTCFLAGS_lex.lex.o := -I$(src)
 # dependencies on generated files need to be listed explicitly
 $(obj)/lex.lex.o: $(obj)/keywords.hash.c $(obj)/parse.tab.h
 
+clean-files	:= keywords.hash.c lex.lex.c parse.tab.c parse.tab.h