diff --git a/common/lib/xmodule/xmodule/modulestore/split_mongo/mongo_connection.py b/common/lib/xmodule/xmodule/modulestore/split_mongo/mongo_connection.py
index 06ecb878b0..c21bc0f422 100644
--- a/common/lib/xmodule/xmodule/modulestore/split_mongo/mongo_connection.py
+++ b/common/lib/xmodule/xmodule/modulestore/split_mongo/mongo_connection.py
@@ -13,7 +13,6 @@ from functools import wraps
 from pymongo.errors import AutoReconnect
 from xmodule.exceptions import HeartbeatFailure
 from xmodule.modulestore.split_mongo import BlockKey
-from datetime import tzinfo
 import datetime
 import pytz