diff --git a/setup.cfg b/setup.cfg
index 433dd204a0..0084e9162a 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,11 @@
 [bdist_wheel]
 universal = 1
 
+[flake8]
+ignore = E501,E303
+exclude = wagtail/project_template/*
+max-line-length = 120
+
 [isort]
 line_length=100
 multi_line_output=4
diff --git a/tox.ini b/tox.ini
index 640ce59cc2..49293a7c42 100644
--- a/tox.ini
+++ b/tox.ini
@@ -6,11 +6,6 @@ envlist = py{27,33,34,35}-dj{18,19}-{sqlite,postgres,mysql}-{elasticsearch,noela
           py{27,34,35}-dj110-{sqlite,postgres,mysql}-{elasticsearch,noelasticsearch},
           flake8
 
-[flake8]
-ignore = E501,E303
-exclude = wagtail/project_template/*
-max-line-length = 120
-
 [testenv]
 install_command = pip install -e ".[testing]" -U {opts} {packages}
 commands =