diff --git a/tox.ini b/tox.ini
index 8514de54c..29975e9f8 100644
--- a/tox.ini
+++ b/tox.ini
@@ -39,9 +39,12 @@ commands = oslo_debug_helper {posargs}
 
 [flake8]
 # E123, E125 skipped as they are invalid PEP-8.
+# H106: Don’t put vim configuration in source files
+# H203: Use assertIs(Not)None to check for None
 
 show-source = True
 ignore = E123,E125
+enable-extensions=H106,H203
 builtins = _
 exclude=.venv,.git,.tox,dist,doc,*lib/python*,*egg,build