diff --git a/tests/unit/test_cli.py b/tests/unit/test_cli.py
index 7be6e4f43..2105b4ec5 100644
--- a/tests/unit/test_cli.py
+++ b/tests/unit/test_cli.py
@@ -1,5 +1,4 @@
 import contextlib
-import json
 from io import StringIO
 from twisted.trial import unittest