diff --git a/tox.ini b/tox.ini
index a9646dbda7..57678d2471 100644
--- a/tox.ini
+++ b/tox.ini
@@ -8,8 +8,6 @@ basepython = python3
 setenv =
   OS_TEST_PATH=heat/tests
   PYTHONDONTWRITEBYTECODE=1
-# TODO(stephenfin): Remove once we bump our upper-constraint to SQLAlchemy 2.0
-  SQLALCHEMY_WARN_20=1
 usedevelop = True
 deps = -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
        -r{toxinidir}/requirements.txt