diff --git a/mypy/main.py b/mypy/main.py
index 14148720269a..f4d6b18e58b6 100644
--- a/mypy/main.py
+++ b/mypy/main.py
@@ -599,7 +599,6 @@ def add_invertible_flag(
     add_invertible_flag(
         "--warn-unused-configs",
         default=False,
-        strict_flag=True,
         help="Warn about unused '[mypy-<pattern>]' or '[[tool.mypy.overrides]]' config sections",
         group=config_group,
     )