diff --git a/tox.ini b/tox.ini
index e42b5c7a60..2115245b72 100644
--- a/tox.ini
+++ b/tox.ini
@@ -7,7 +7,6 @@ ignore_basepython_conflict = True
 usedevelop = True
 setenv = VIRTUAL_ENV={envdir}
          PYTHONWARNINGS=always::DeprecationWarning
-         SQLALCHEMY_WARN_20=1
 install_command =
     pip install {opts} {packages}
 allowlist_externals = find
@@ -49,13 +48,11 @@ commands =
 [testenv:py3]
 setenv = OS_TEST_PATH={toxinidir}/octavia/tests/unit
          PYTHONWARNINGS=always::DeprecationWarning
-         SQLALCHEMY_WARN_20=1
 
 [testenv:functional]
 # This will use whatever 'basepython' is set to, so the name is ambiguous.
 setenv = OS_TEST_PATH={toxinidir}/octavia/tests/functional
          PYTHONWARNINGS=always::DeprecationWarning
-         SQLALCHEMY_WARN_20=1
 
 [testenv:functional-py3]
 setenv = OS_TEST_PATH={toxinidir}/octavia/tests/functional