diff --git a/tox.ini b/tox.ini
index ad3c7d37b7..bbe2de0043 100644
--- a/tox.ini
+++ b/tox.ini
@@ -131,7 +131,9 @@ commands =
     oslo-config-generator --config-file etc/magnum/magnum-config-generator.conf
 
 [flake8]
-enable-extensions = H203
+# 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,*lib/python*,*egg,build,tools,releasenotes
 
 [hacking]