diff --git a/tox.ini b/tox.ini
index b08bb8c..dc8d951 100644
--- a/tox.ini
+++ b/tox.ini
@@ -28,6 +28,10 @@ commands = python setup.py test --coverage --coverage-package-name=oslo_i18n --t
 
 show-source = True
 ignore = E123,E125
+
+# H106: Don’t put vim configuration in source files
+# H203: Use assertIs(Not)None to check for None
+enable-extensions=H106,H203
 exclude=.venv,.git,.tox,dist,doc,*lib/python*,*egg,build,__init__.py
 
 [hacking]