diff --git a/tox.ini b/tox.ini
index ab7e5fdfee..d48982ac22 100644
--- a/tox.ini
+++ b/tox.ini
@@ -50,9 +50,7 @@ commands =
 ignore = H404,H803
 show-source = true
 exclude=.venv,.git,.tox,dist,*openstack/common*,*lib/python*,*egg,tools,build
-# 28 is currently the most complex thing we have
-# TODO(asalkeld): get this number down to 20
-max-complexity=29
+max-complexity=20
 
 [hacking]
 import_exceptions = heat.common.i18n