diff --git a/Makefile b/Makefile
index b738f309..3a73b1a8 100644
--- a/Makefile
+++ b/Makefile
@@ -91,7 +91,7 @@ dist: distclean
 	rm -rf i3-${VERSION}
 
 clean:
-	rm -f src/*.o src/cfgparse.tab.{c,h} src/cfgparse.output src/cfgparse.yy.c loglevels.tmp include/loglevels.h
+	rm -f src/*.o src/cfgparse.tab.{c,h} src/cfgparse.{output,dot} src/cfgparse.yy.c loglevels.tmp include/loglevels.h
 	$(MAKE) -C docs clean
 	$(MAKE) -C man clean
 	$(MAKE) TOPDIR=$(TOPDIR) -C i3-msg clean