diff --git a/test/test_son_manipulator.py b/test/test_son_manipulator.py
index 1f53e187c..cef8e3091 100644
--- a/test/test_son_manipulator.py
+++ b/test/test_son_manipulator.py
@@ -19,7 +19,6 @@ import unittest
 import sys
 sys.path[0:0] = [""]
 
-from bson.objectid import ObjectId
 from bson.son import SON
 from pymongo.database import Database
 from pymongo.son_manipulator import (NamespaceInjector,