diff --git a/stdlib/builtins.pyi b/stdlib/builtins.pyi
index 53bc78073..2c5d5e0a7 100644
--- a/stdlib/builtins.pyi
+++ b/stdlib/builtins.pyi
@@ -98,7 +98,6 @@ class object:
     __annotations__: dict[str, Any]
     @property
     def __class__(self) -> type[Self]: ...
-    # Ignore errors about type mismatch between property getter and setter
     @__class__.setter
     def __class__(self, __type: type[object]) -> None: ...  # noqa: F811
     def __init__(self) -> None: ...
diff --git a/stdlib/weakref.pyi b/stdlib/weakref.pyi
index 1bb2eacfb..5fc57602a 100644
--- a/stdlib/weakref.pyi
+++ b/stdlib/weakref.pyi
@@ -93,7 +93,6 @@ class WeakValueDictionary(MutableMapping[_KT, _VT]):
 
 class KeyedRef(ref[_T], Generic[_KT, _T]):
     key: _KT
-    # This __new__ method uses a non-standard name for the "cls" parameter
     def __new__(type, ob: _T, callback: Callable[[_T], Any], key: _KT) -> Self: ...
     def __init__(self, ob: _T, callback: Callable[[_T], Any], key: _KT) -> None: ...