diff --git a/acme/acme/standalone_test.py b/acme/acme/standalone_test.py
index 981f7ea8d..e6541665d 100644
--- a/acme/acme/standalone_test.py
+++ b/acme/acme/standalone_test.py
@@ -16,7 +16,6 @@ import requests
 
 from acme import challenges
 from acme import crypto_util
-from acme import errors
 from acme import test_util
 from acme.magic_typing import Set # pylint: disable=unused-import, no-name-in-module