diff --git a/tox.ini b/tox.ini
index 9b46e5ad34..c4159105f0 100644
--- a/tox.ini
+++ b/tox.ini
@@ -50,7 +50,6 @@ commands =
 
 [testenv:venv]
 setenv = PYTHONHASHSEED=0
-         LANGUAGE=en_US
 commands = {posargs}
 
 [flake8]