diff --git a/tox.ini b/tox.ini
index 9a53e4a6..dbfff097 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,7 +1,12 @@
 [flake8]
 exclude = doc/*,*.pyc,*.py~,*.in,*.spec,*.sh,*.rst,setup.py
 filename = *.py
-ignore = E501,E402
+
+# E402: module level import not at top of file
+# E501: line too long
+# H301: one import per line
+# H306: imports not in alphabetical order
+ignore = E501,E402,H301,H306
 
 [run]
 omit = tests/*