diff --git a/tox.ini b/tox.ini
index 02d17c9..bb2acfd 100644
--- a/tox.ini
+++ b/tox.ini
@@ -9,7 +9,6 @@
     django17: Django>=1.6,<1.8
     django18: Django==1.8
 commands =
-    pip install -e ../mailman.client
     django-admin.py test --settings=testing.test_settings {posargs:postorius}
 setenv =
     PYTHONPATH = {toxinidir}