diff --git a/tox.ini b/tox.ini
index efa90aaf0..cb0c87e19 100644
--- a/tox.ini
+++ b/tox.ini
@@ -14,7 +14,6 @@ deps =
     responses
 commands =
     nosetests {posargs}
-sitepackages = True
 
 [testenv:py26]
 deps =