diff --git a/tox.ini b/tox.ini
index 028ed0ae44..517c4cd7c4 100644
--- a/tox.ini
+++ b/tox.ini
@@ -15,7 +15,6 @@ setenv = VIRTUAL_ENV={envdir}
          OS_STDOUT_CAPTURE={env:OS_STDOUT_CAPTURE:true}
          OS_STDERR_CAPTURE={env:OS_STDERR_CAPTURE:true}
          PYTHONUNBUFFERED=1
-         SQLALCHEMY_WARN_20=true
 deps =
   -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
   -r{toxinidir}/requirements.txt
@@ -186,7 +185,6 @@ setenv = VIRTUAL_ENV={envdir}
          LANGUAGE=en_US
          LC_ALL=en_US.UTF-8
          PYTHONUNBUFFERED=1
-         SQLALCHEMY_WARN_20=true
 deps =
   -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
   -r{toxinidir}/requirements.txt