diff --git a/pyproject.toml b/pyproject.toml
index f00ee3b53d7..f494bcb90a4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -138,7 +138,6 @@ ignore_missing_imports = true
 no_implicit_optional = true
 python_version = "3.9"
 show_column_numbers = true
-show_error_codes = true
 show_error_context = true
 strict_optional = true
 warn_redundant_casts = true