diff --git a/tox.ini b/tox.ini
index 9dd445c4..a9018429 100644
--- a/tox.ini
+++ b/tox.ini
@@ -87,14 +87,13 @@ commands = sphinx-build -a -E -d releasenotes/build/doctrees -b html releasenote
 [flake8]
 # ignored flake8 codes:
 # H302 import only modules
-# H402 one line docstring needs punctuation
 # H404 multi line docstring should start with a summary
 # H405 multi line docstring summary not separated with an empty line
 # H904 Wrap long lines in parentheses instead of a backslash
 # W504 line break after binary operator
 # See designate for other ignored codes that may apply here
 
-ignore = H105,H302,H402,H404,H405,W504,H904
+ignore = H105,H302,H404,H405,W504,H904
 builtins = _
 exclude = .venv,.git,.tox,dist,doc,*openstack/common*,*lib/python*,*egg,build,tools