diff --git a/tests/mail/test_sendtestemail.py b/tests/mail/test_sendtestemail.py
index cb7737e9ff..5fff7c8809 100644
--- a/tests/mail/test_sendtestemail.py
+++ b/tests/mail/test_sendtestemail.py
@@ -1,11 +1,9 @@
-# -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
 from django.core import mail
 from django.core.management import call_command
 from django.core.management.base import CommandError
 from django.test import SimpleTestCase
-from django.utils.six import StringIO
 
 
 class SendTestEmailManagementCommand(SimpleTestCase):