diff --git a/pyproject.toml b/pyproject.toml
index 67c56123a847c..89afdcfd32d22 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -100,7 +100,6 @@ warn_no_return = true
 warn_return_any = false # TODO
 warn_unreachable = false # GH#27396
 # Suppressing errors
-show_none_errors = true
 ignore_errors = false
 enable_error_code = "ignore-without-code"
 # Miscellaneous strictness flags