diff --git a/tox-tmpl.ini b/tox-tmpl.ini
index 35d90414..19862dee 100644
--- a/tox-tmpl.ini
+++ b/tox-tmpl.ini
@@ -10,9 +10,6 @@ skipsdist = True
 usedevelop = True
 install_command = pip install {opts} {packages}
 setenv = VIRTUAL_ENV={envdir}
-         LANG=en_US.UTF-8
-         LANGUAGE=en_US:en
-         LC_ALL=C
 deps = -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
        alembic>=0.4.1