diff --git a/tox.ini b/tox.ini
index 6cd3309..4abf8b2 100644
--- a/tox.ini
+++ b/tox.ini
@@ -2,11 +2,9 @@
 envlist = py3,pep8
 minversion = 3.18.0
 skipsdist = True
-ignore_basepython_conflict = True
 
 [testenv]
 usedevelop = True
-basepython = python3
 deps =
   -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
   -r{toxinidir}/requirements.txt
@@ -44,9 +42,7 @@ commands =
   make -C doc/build/pdf
 
 [testenv:releasenotes]
-deps =
-  -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
-  -r{toxinidir}/doc/requirements.txt
+deps = {[testenv:docs]deps}
 commands = sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasenotes/source releasenotes/build/html
 
 [flake8]