diff --git a/tox.ini b/tox.ini
index 8a3cc739..a111533b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -24,12 +24,6 @@ commands =
     bandit -r oslo_service -n5 -x tests
     doc8 --ignore-path "doc/source/history.rst" doc/source
 
-[testenv:py35]
-basepython = python3.5
-
-[testenv:py27]
-basepython = python2.7
-
 [testenv:venv]
 basepython = python3
 commands = {posargs}