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)
diff --git a/kyaml/runfn/runfn_test.go b/kyaml/runfn/runfn_test.go
index f5045977a..fcb0ec7e8 100644
--- a/kyaml/runfn/runfn_test.go
+++ b/kyaml/runfn/runfn_test.go
@@ -1110,6 +1110,7 @@ func TestCmd_Execute_setInput(t *testing.T) {
 	}
 
 	outDir, err := ioutil.TempDir("", "kustomize-test")
+	defer os.RemoveAll(outDir)
 	if !assert.NoError(t, err) {
 		t.FailNow()
 	}