diff --git a/tox.ini b/tox.ini
index fb815f13..eb222e22 100644
--- a/tox.ini
+++ b/tox.ini
@@ -31,8 +31,7 @@ commands =
 
     build: {envpython} -m build {toxinidir} --outdir {envtmpdir}/dist
 
-    # Ignore the deprecation warning until pypa/setuptools#3276 is released
-    tests,coverage,codecov: {envpython} -Werror -W"ignore:module 'sre_constants' is deprecated:DeprecationWarning" -m {env:MAYBE_COVERAGE:} twisted.trial {posargs:jsonschema}
+    tests,coverage,codecov: {envpython} -Werror -m {env:MAYBE_COVERAGE:} twisted.trial {posargs:jsonschema}
     tests: {envpython} -m doctest {toxinidir}/README.rst
 
     coverage: {envpython} -m coverage report --show-missing