diff --git a/tox.ini b/tox.ini
index 6add08ca..f40e1647 100644
--- a/tox.ini
+++ b/tox.ini
@@ -46,9 +46,6 @@ commands = sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasen
 # E265 block comment should start with '# '
 # reason: no improvement in readability
 #
-# H402 one line docstring needs punctuation
-# reason: removed in hacking (https://review.openstack.org/#/c/101497/)
-#
 # H803 git commit title should not end with period
 # reason: removed in hacking (https://review.openstack.org/#/c/101498/)
 #
@@ -61,7 +58,7 @@ commands = sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasen
 # ignored on purpose for the moment and should be re-enabled.
 
 show-source = True
-ignore = E123,E125,E126,E127,E128,E251,E265,H302,H402,H405,H803,H904,H404
+ignore = E123,E125,E126,E127,E128,E251,E265,H302,H405,H803,H904,H404
 builtins = _
 exclude=.venv,.git,.tox,dist,doc,*lib/python*,*egg,build
 max-complexity=30