diff --git a/tox.ini b/tox.ini
index 42d178f..0ea4e95 100644
--- a/tox.ini
+++ b/tox.ini
@@ -26,12 +26,12 @@ commands = python setup.py build_sphinx
 
 [flake8]
 # H803 skipped on purpose per list discussion.
-# E123, E125 skipped as they are invalid PEP-8.
+# E125 skipped as it is invalid PEP-8.
 # H402 skipped because some docstrings aren't sentences
 # E123 skipped because it is ignored by default in the default pep8
 # E129 skipped because it is too limiting when combined with other rules
 # H305 skipped because it is inconsistent between python versions
 show-source = True
-ignore = E123,E125,H803,H402,E123,E129,H305
+ignore = E125,H803,H402,E123,E129,H305
 builtins = _
 exclude=.venv,.git,.tox,dist,doc,*openstack/common*,*lib/python*,*egg,build