diff --git a/tox.ini b/tox.ini
index 81c7564029..a1f7687ec7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -75,7 +75,6 @@ whitelist_externals =
     stestr
 
 [testenv:pep8]
-basepython = python2.7
 commands =
   # If it is easier to add a check via a shell script, consider adding it in this file
   sh ./tools/misc-sanity-checks.sh
@@ -92,7 +91,6 @@ whitelist_externals =
 # run pep8 locally (not in the gate) using editable mode
 # https://pip.pypa.io/en/stable/reference/pip_install/#editable-installs
 # note that order is important to ensure dependencies don't override
-basepython = python2.7
 commands =
     pip install -q -e "git+https://git.openstack.org/openstack/networking-l2gw#egg=networking_l2gw"
     pip install -q -e "git+https://git.openstack.org/openstack/networking-sfc#egg=networking_sfc"