diff --git a/tox.ini b/tox.ini
index bfe80e8e..d321da95 100644
--- a/tox.ini
+++ b/tox.ini
@@ -53,7 +53,6 @@ sitepackages = True
 commands = sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasenotes/source releasenotes/build/html
 
 [testenv:pep8]
-basepython = python2.7
 deps =
   {[testenv]deps}
 commands =