diff --git a/tox.ini b/tox.ini
index e97eef0..30c179d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -9,8 +9,6 @@ setenv = VIRTUAL_ENV={envdir}
 usedevelop = True
 install_command = pip install {opts} {packages}
 deps = -r{toxinidir}/requirements.txt
-commands =
-  python setup.py testr --slowest --testr-args='{posargs}'
 
 [tox:jenkins]
 downloadcache = ~/cache/pip