diff --git a/kyaml/kio/filters/fmtr_test.go b/kyaml/kio/filters/fmtr_test.go
index 4e2de46bb..87472bbe0 100644
--- a/kyaml/kio/filters/fmtr_test.go
+++ b/kyaml/kio/filters/fmtr_test.go
@@ -854,6 +854,7 @@ func TestFormatFileOrDirectory_skipJsonExtFile(t *testing.T) {
 func TestFormatFileOrDirectory_directory(t *testing.T) {
 	d, err := ioutil.TempDir("", "yamlfmt")
 	assert.NoError(t, err)
+	defer os.RemoveAll(d)
 
 	err = os.Mkdir(filepath.Join(d, "config"), 0700)
 	assert.NoError(t, err)