diff --git a/tox.ini b/tox.ini
index 333d5a4..53dd214 100644
--- a/tox.ini
+++ b/tox.ini
@@ -48,7 +48,7 @@ deps=
     flake8
 
 commands=
-    flake8 . --ignore=E501 --exclude=build/,dist/,.tox/,doc_src
+    flake8
 
 [testenv:coverage-report]
 commands =