diff --git a/tox.ini b/tox.ini
index c121f3efc..0fe3e11f6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -44,13 +44,12 @@ commands = python setup.py testr --no-parallel --testr-args='test_benchmark {pos
 # H401 docstring should not start with a space
 # H405 multi line docstring summary not separated with an empty line
 # H904 Wrap long lines in parentheses instead of a backslash
-# H404 multi line docstring should start with a summary
 # H231 Python 3.x incompatible
 # E113 unexpected indentation
 # H302 import only modules
 
 
 show-source = True
-ignore = E128,E129,E251,F402,F811,F812,H237,H305,H401,H404,H405,H904,H231,H302
+ignore = E128,E129,E251,F402,F811,F812,H237,H305,H401,H405,H904,H231,H302
 builtins = _
 exclude=.venv,.git,.tox,dist,doc,*openstack/common*,*lib/python*,*egg,build,*thirdparty/*,CongressLexer.py,CongressParser.py