diff --git a/tox.ini b/tox.ini
index 2f958834..14449b42 100644
--- a/tox.ini
+++ b/tox.ini
@@ -7,9 +7,6 @@ skipsdist = True
 whitelist_externals = /bin/bash
 install_command = pip install -U {opts} {packages}
 setenv = VIRTUAL_ENV={envdir}
-         LANG=en_US.UTF-8
-         LANGUAGE=en_US:en
-         LC_ALL=C
 deps = nodeenv
        http://tarballs.openstack.org/storyboard/storyboard-master.tar.gz
 
@@ -37,4 +34,4 @@ commands =
   npm install -g bower@1.2.8 grunt@0.4.2 grunt-cli@0.1.11
   npm install
   bower install
-  grunt {posargs}
\ No newline at end of file
+  grunt {posargs}