diff --git a/tox.ini b/tox.ini
index 4317824..b7b1130 100644
--- a/tox.ini
+++ b/tox.ini
@@ -34,9 +34,7 @@ commands = python setup.py build_sphinx
 [flake8]
 # E125 continuation line does not distinguish itself from next logical line
 # H404 multi line docstring should start with a summary
-# E251 unexpected spaces around keyword / parameter equals
-# E714 test for object identity should be 'is not'
-ignore = E125,H404,E251,E714
+ignore = E125,H404
 show-source = true
 builtins = _
-exclude=.venv,.git,.tox,dist,doc,*lib/python*,*egg,tools,build
+exclude=.venv,.git,.tox,dist,doc,*lib/python*,*egg,tools,build,*openstack/common*