diff --git a/tox.ini b/tox.ini
index c4eb5747da..2694fe0a16 100644
--- a/tox.ini
+++ b/tox.ini
@@ -19,8 +19,6 @@ setenv =
   OS_STDERR_CAPTURE=1
   OS_TEST_TIMEOUT=160
   PYTHONDONTWRITEBYTECODE=1
-# TODO(stephenfin): Remove once we bump our upper-constraint to SQLAlchemy 2.0
-  SQLALCHEMY_WARN_20=1
 deps =
   -r{toxinidir}/test-requirements.txt
 extras =