diff --git a/pkg/kubectl/proxy_server_test.go b/pkg/kubectl/proxy_server_test.go
index ae536b91a8c..97feb75b027 100644
--- a/pkg/kubectl/proxy_server_test.go
+++ b/pkg/kubectl/proxy_server_test.go
@@ -22,6 +22,7 @@ import (
 	"net/http"
 	"net/http/httptest"
 	"net/url"
+	"os"
 	"path/filepath"
 	"strings"
 	"testing"
@@ -225,6 +226,7 @@ func TestFileServing(t *testing.T) {
 	if err != nil {
 		t.Fatalf("error creating tmp dir: %v", err)
 	}
+	defer os.RemoveAll(dir)
 	if err := ioutil.WriteFile(filepath.Join(dir, fname), []byte(data), 0755); err != nil {
 		t.Fatalf("error writing tmp file: %v", err)
 	}