diff --git a/tox.ini b/tox.ini
index bca18c3..fe4fb01 100644
--- a/tox.ini
+++ b/tox.ini
@@ -19,10 +19,9 @@ deps =
   pycodestyle
 commands =
   pycodestyle ./stix2
-  flake8 --max-line-length=160
+  flake8
 
 [pycodestyle]
-ignore=
 max-line-length=160
 
 [flake8]