diff --git a/tox.ini b/tox.ini
index 9a19c5b31e..a17cca2ff3 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,13 +3,8 @@ minversion = 3.18.0
 # python runtimes: https://governance.openstack.org/tc/reference/runtimes/ussuri.html
 envlist = functional-py39,py39,pep8
 skip_missing_interpreters = true
-# this allows tox to infer the base python from the environment name
-# and override any basepython configured in this file
-ignore_basepython_conflict=true
 
 [testenv]
-# Set default python version
-basepython = python3
 setenv =
   VIRTUAL_ENV={envdir}
   PYTHONWARNINGS=default::DeprecationWarning
@@ -37,7 +32,6 @@ passenv =
     *_PROXY
 
 [testenv:functional]
-# this will use whatever the system python3 is
 setenv =
   TEST_PATH = ./glance/tests/functional
 commands = stestr run {posargs}
@@ -59,7 +53,6 @@ setenv =
 commands = {[testenv:functional]commands}
 
 [testenv:genpolicy]
-basepython = python3
 commands =
   oslopolicy-sample-generator --config-file=etc/glance-policy-generator.conf