diff --git a/i3-config-wizard/Makefile b/i3-config-wizard/Makefile
index 615e8787..f0073455 100644
--- a/i3-config-wizard/Makefile
+++ b/i3-config-wizard/Makefile
@@ -33,7 +33,7 @@ install: all
 	$(INSTALL) -m 0755 i3-config-wizard $(DESTDIR)$(PREFIX)/bin/
 
 clean:
-	rm -f *.o
+	rm -f *.o cfgparse.tab.{c,h} cfgparse.output cfgparse.yy.c
 
 distclean: clean
 	rm -f i3-config-wizard