diff --git a/ansible_mitogen/logging.py b/ansible_mitogen/logging.py
index 37e309e2..97832938 100644
--- a/ansible_mitogen/logging.py
+++ b/ansible_mitogen/logging.py
@@ -29,7 +29,6 @@
 from __future__ import absolute_import
 import logging
 import os
-import sys
 
 import mitogen.core
 import mitogen.utils