diff --git a/src/allmydata/test/test_storage.py b/src/allmydata/test/test_storage.py
index 6867adc3b..ccf9fc5cb 100644
--- a/src/allmydata/test/test_storage.py
+++ b/src/allmydata/test/test_storage.py
@@ -26,7 +26,7 @@ from zope.interface import implementer
 from foolscap.api import fireEventually
 import itertools
 from allmydata import interfaces
-from allmydata.util import fileutil, hashutil, base32, pollmixin, time_format
+from allmydata.util import fileutil, hashutil, base32, pollmixin
 from allmydata.storage.server import StorageServer
 from allmydata.storage.mutable import MutableShareFile
 from allmydata.storage.immutable import BucketWriter, BucketReader