diff --git a/letsencrypt/tests/le_util_test.py b/letsencrypt/tests/le_util_test.py
index c43dbfe2c..bab711ded 100644
--- a/letsencrypt/tests/le_util_test.py
+++ b/letsencrypt/tests/le_util_test.py
@@ -4,7 +4,6 @@ import errno
 import os
 import shutil
 import stat
-import sys
 import tempfile
 import unittest