diff --git a/tox.ini b/tox.ini
index e6c8ede45b..ffb646588c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -42,5 +42,4 @@ install_command = pip install -c upper-constraints.txt {opts} {packages}
 commands = {toxinidir}/tools/babel-test.sh
 
 [flake8]
-ignore = H803
 exclude = .venv,.git,.tox,dist,doc,*egg,build