diff --git a/src/cryptography/hazmat/backends/openssl/backend.py b/src/cryptography/hazmat/backends/openssl/backend.py
index bdce230..7ccb39a 100644
--- a/src/cryptography/hazmat/backends/openssl/backend.py
+++ b/src/cryptography/hazmat/backends/openssl/backend.py
@@ -12,8 +12,6 @@
 
 import six
 
-from six.moves import urllib_parse
-
 from cryptography import utils, x509
 from cryptography.exceptions import (
     InternalError, UnsupportedAlgorithm, _Reasons