diff --git a/Makefile b/Makefile
index b6a52c7..2bbd612 100644
--- a/Makefile
+++ b/Makefile
@@ -67,4 +67,8 @@ generated-code:
 	go mod tidy
 	GO111MODULE=on go generate ./...
 	gofmt -w $(SUBDIRS)
-	PATH=$(DEPSGOBIN):$$PATH goimports -w $(SUBDIRS)
\ No newline at end of file
+	PATH=$(DEPSGOBIN):$$PATH goimports -w $(SUBDIRS)
+
+.PHONY: clean
+clean:
+	rm -rf _output
\ No newline at end of file