--- a/cubicweb/skeleton/tox.ini.tmpl	Mon Oct 29 16:39:21 2018 +0100
+++ b/cubicweb/skeleton/tox.ini.tmpl	Tue Jan 29 14:02:19 2019 +0100
@@ -9,8 +9,6 @@
 
 [testenv:flake8]
 skip_install = true
-whitelist_externals =
-  flake8
 deps =
   flake8
 commands = flake8