diff --git a/src/allmydata/test/test_testing.py b/src/allmydata/test/test_testing.py
index 37a5f3c7b..ec6935914 100644
--- a/src/allmydata/test/test_testing.py
+++ b/src/allmydata/test/test_testing.py
@@ -47,7 +47,6 @@ from testtools.matchers import (
 )
 from testtools.twistedsupport import (
     succeeded,
-    failed,
 )
 
 
diff --git a/src/allmydata/testing/web.py b/src/allmydata/testing/web.py
index aaa795d06..6656236ca 100644
--- a/src/allmydata/testing/web.py
+++ b/src/allmydata/testing/web.py
@@ -30,9 +30,6 @@ from twisted.web import (
 from twisted.internet.defer import (
     succeed,
 )
-from twisted.python.failure import (
-    Failure,
-)
 
 from treq.client import (
     HTTPClient,
@@ -47,12 +44,6 @@ import allmydata.uri
 from allmydata.util import (
     base32,
 )
-from allmydata.interfaces import (
-    ExistingChildError,
-)
-from allmydata.web.common import (
-    humanize_failure,
-)
 
 
 __all__ = (