diff --git a/tox.ini b/tox.ini
index 69939f7cb..d8a5bdd62 100644
--- a/tox.ini
+++ b/tox.ini
@@ -16,8 +16,6 @@ setenv = VIRTUAL_ENV={envdir}
 commands =
    bash -x {toxinidir}/run-tests.sh {posargs}
    {toxinidir}/tools/config/check_uptodate.sh
-
-sitepackages = False
 downloadcache = {toxworkdir}/_download
 
 [testenv:cover]