diff --git a/tox.ini b/tox.ini
index 2c110c3d..fa21733f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -32,7 +32,7 @@ commands = python setup.py testr --coverage --testr-args='{posargs}'
 # E123, E125 skipped as they are invalid PEP-8.
 
 show-source = True
-ignore = E123,E125
+ignore = E123,E125,H301,H405
 builtins = _
 exclude=.venv,.git,.tox,dist,doc,*openstack/common*,*lib/python*,*egg,build