diff --git a/certbot-dns-digitalocean/certbot_dns_digitalocean/dns_digitalocean_test.py b/certbot-dns-digitalocean/certbot_dns_digitalocean/dns_digitalocean_test.py
index 11c8c57d5..0fdacf4ad 100644
--- a/certbot-dns-digitalocean/certbot_dns_digitalocean/dns_digitalocean_test.py
+++ b/certbot-dns-digitalocean/certbot_dns_digitalocean/dns_digitalocean_test.py
@@ -5,7 +5,6 @@ import unittest
 
 import digitalocean
 import mock
-import six
 
 from certbot import errors
 from certbot.plugins import dns_test_common
@@ -134,8 +133,8 @@ class DigitalOceanClientTest(unittest.TestCase):
 
         correct_record_mock.destroy.assert_called()
 
-        six.assertCountEqual(self, first_record_mock.destroy.call_args_list, [])
-        six.assertCountEqual(self, last_record_mock.destroy.call_args_list, [])
+        self.assertFalse(first_record_mock.destroy.call_args_list)
+        self.assertFalse(last_record_mock.destroy.call_args_list)
 
     def test_del_txt_record_error_finding_domain(self):
         self.manager.get_all_domains.side_effect = API_ERROR