diff --git a/Makefile b/Makefile
index 1bd5a45..18925fb 100644
--- a/Makefile
+++ b/Makefile
@@ -23,7 +23,7 @@ format-check:
 
 .PHONY: clean
 clean:
-	rm -rf ${BUILDDIR}
+	git clean -Xfd
 
 ifndef VERBOSE
 .SILENT: