diff --git a/letsencrypt/plugins/standalone.py b/letsencrypt/plugins/standalone.py
index 496ea7ded..dc52cf5e7 100644
--- a/letsencrypt/plugins/standalone.py
+++ b/letsencrypt/plugins/standalone.py
@@ -2,7 +2,6 @@
 import argparse
 import collections
 import logging
-import random
 import socket
 import threading