diff --git a/tox.ini b/tox.ini
index e053b4175..869427616 100644
--- a/tox.ini
+++ b/tox.ini
@@ -23,7 +23,6 @@ commands =
 [testenv:cover]
 setenv = VIRTUAL_ENV={envdir}
 commands =
-    python tools/patch_tox_venv.py
     python setup.py testr --coverage {posargs}
 
 [testenv:venv]