diff --git a/tox.ini b/tox.ini
index 67a9922d..656a470e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -2,7 +2,6 @@
 envlist = py26,py27,py33,pep8
 
 [testenv]
-sitepackages = True
 setenv =
     VIRTUAL_ENV={envdir}
     NOSE_WITH_OPENSTACK=1
@@ -24,11 +23,9 @@ commands = nosetests -w integration -x {posargs}
 setenv = NOSE_WITH_COVERAGE=1
 
 [tox:jenkins]
-sitepackages = False
 downloadcache = ~/cache/pip
 
 [testenv:pep8]
-sitepackages = False
 commands = flake8 {posargs}
 
 [testenv:venv]