diff --git a/tox.ini b/tox.ini
index bc548bf4..fbbc32d7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -39,15 +39,12 @@ commands = python setup.py build_sphinx
 # E128 continuation line under-indented for visual indent
 # E129 visually indented line with same indent as next logical line
 # E265 block comment should start with '# '
-# H305 imports not grouped correctly
-# H307 like imports should be grouped together
 # H402 one line docstring needs punctuation
-# H904 Wrap long lines in parentheses instead of a backslash
-ignore = E125,E126,E128,E129,E265,H301,H305,H307,H402,H904
+ignore = E125,E126,E128,E129,E265,H301,H402
 show-source = true
 
 # TODO(dougw) neutron/tests/unit/vmware exclusion is a temporary services split hack
-exclude = .venv,.git,.tox,dist,doc,*openstack/common*,*lib/python*,*egg,build,tools,.ropeproject,rally-scenarios,neutron/tests/unit/vmware*
+exclude = .venv,.git,.tox,dist,doc,*lib/python*,*egg,build,tools,.ropeproject,rally-scenarios,neutron/tests/unit/vmware*
 
 [testenv:pylint]
 deps =