diff --git a/tox.ini b/tox.ini
index 3a68e52cf6..64cb78f4d0 100644
--- a/tox.ini
+++ b/tox.ini
@@ -132,4 +132,4 @@ show-source = True
 # E123, E125 skipped as they are invalid PEP-8.
 ignore = E123,E125,H803
 builtins = _
-exclude=.venv,.git,.tox,dist,*openstack/common*,*lib/python*,*egg,build,doc/common/samples,*/source/conf.py
+exclude=.venv,.git,.tox,dist,*openstack/common*,*lib/python*,*egg,build,*/source/conf.py