diff --git a/tox.ini b/tox.ini
index 4f34031..7100ead 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,11 +1,9 @@
 [tox]
 envlist = py3,pep8
-ignore_basepython_conflict = true
 minversion = 3.18.0
 skipsdist = True
 
 [testenv]
-basepython = python3
 allowlist_externals = bash
 deps =
   -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
@@ -31,7 +29,6 @@ builtins = _
 exclude=.venv,.git,.tox,*lib/python*,private,.eggs
 
 [testenv:cover]
-basepython = python3
 allowlist_externals = find
 setenv =
   PYTHON=coverage run --source . --parallel-mode