diff --git a/Makefile b/Makefile
index 5a0dd76f..4b2f240e 100644
--- a/Makefile
+++ b/Makefile
@@ -95,7 +95,7 @@ dist: distclean
 	rm -rf i3-${VERSION}
 
 clean:
-	rm -f src/*.o src/cfgparse.tab.{c,h} src/cfgparse.yy.c loglevels.tmp include/loglevels.h
+	rm -f src/*.o src/cfgparse.tab.{c,h} src/cfgparse.yy.c src/cfgparse.output src/cmdparse.tab.{c,h} src/cmdparse.yy.c src/cmdparse.output loglevels.tmp include/loglevels.h
 	$(MAKE) -C docs clean
 	$(MAKE) -C man clean
 	$(MAKE) TOPDIR=$(TOPDIR) -C i3-msg clean