diff --git a/stdlib/_weakrefset.pyi b/stdlib/_weakrefset.pyi
index c738fa8df..4bc2789a0 100644
--- a/stdlib/_weakrefset.pyi
+++ b/stdlib/_weakrefset.pyi
@@ -20,15 +20,15 @@ class WeakSet(MutableSet[_T], Generic[_T]):
     def __contains__(self, item: object) -> bool: ...
     def __len__(self) -> int: ...
     def __iter__(self) -> Iterator[_T]: ...
-    def __ior__(self, other: Iterable[_S]) -> WeakSet[_S | _T]: ...
+    def __ior__(self: Self, other: Iterable[_T]) -> Self: ...  # type: ignore[override,misc]
     def difference(self: Self, other: Iterable[_T]) -> Self: ...
-    def __sub__(self: Self, other: Iterable[_T]) -> Self: ...
-    def difference_update(self, other: Iterable[_T]) -> None: ...
-    def __isub__(self: Self, other: Iterable[_T]) -> Self: ...
+    def __sub__(self: Self, other: Iterable[Any]) -> Self: ...
+    def difference_update(self, other: Iterable[Any]) -> None: ...
+    def __isub__(self: Self, other: Iterable[Any]) -> Self: ...
     def intersection(self: Self, other: Iterable[_T]) -> Self: ...
-    def __and__(self: Self, other: Iterable[_T]) -> Self: ...
-    def intersection_update(self, other: Iterable[_T]) -> None: ...
-    def __iand__(self: Self, other: Iterable[_T]) -> Self: ...
+    def __and__(self: Self, other: Iterable[Any]) -> Self: ...
+    def intersection_update(self, other: Iterable[Any]) -> None: ...
+    def __iand__(self: Self, other: Iterable[Any]) -> Self: ...
     def issubset(self, other: Iterable[_T]) -> bool: ...
     def __le__(self, other: Iterable[_T]) -> bool: ...
     def __lt__(self, other: Iterable[_T]) -> bool: ...
@@ -38,8 +38,8 @@ class WeakSet(MutableSet[_T], Generic[_T]):
     def __eq__(self, other: object) -> bool: ...
     def symmetric_difference(self, other: Iterable[_S]) -> WeakSet[_S | _T]: ...
     def __xor__(self, other: Iterable[_S]) -> WeakSet[_S | _T]: ...
-    def symmetric_difference_update(self, other: Iterable[Any]) -> None: ...
-    def __ixor__(self, other: Iterable[_S]) -> WeakSet[_S | _T]: ...
+    def symmetric_difference_update(self, other: Iterable[_T]) -> None: ...
+    def __ixor__(self: Self, other: Iterable[_T]) -> Self: ...  # type: ignore[override,misc]
     def union(self, other: Iterable[_S]) -> WeakSet[_S | _T]: ...
     def __or__(self, other: Iterable[_S]) -> WeakSet[_S | _T]: ...
     def isdisjoint(self, other: Iterable[_T]) -> bool: ...
diff --git a/stdlib/builtins.pyi b/stdlib/builtins.pyi
index b1ca2a3a4..3e106d0b7 100644
--- a/stdlib/builtins.pyi
+++ b/stdlib/builtins.pyi
@@ -923,13 +923,13 @@ class set(MutableSet[_T], Generic[_T]):
     def __contains__(self, __o: object) -> bool: ...
     def __iter__(self) -> Iterator[_T]: ...
     def __and__(self, __s: AbstractSet[object]) -> set[_T]: ...
-    def __iand__(self, __s: AbstractSet[object]) -> set[_T]: ...
+    def __iand__(self: Self, __s: AbstractSet[object]) -> Self: ...
     def __or__(self, __s: AbstractSet[_S]) -> set[_T | _S]: ...
-    def __ior__(self, __s: AbstractSet[_S]) -> set[_T | _S]: ...
+    def __ior__(self: Self, __s: AbstractSet[_T]) -> Self: ...  # type: ignore[override,misc]
     def __sub__(self, __s: AbstractSet[_T | None]) -> set[_T]: ...
-    def __isub__(self, __s: AbstractSet[_T | None]) -> set[_T]: ...
+    def __isub__(self: Self, __s: AbstractSet[object]) -> Self: ...
     def __xor__(self, __s: AbstractSet[_S]) -> set[_T | _S]: ...
-    def __ixor__(self, __s: AbstractSet[_S]) -> set[_T | _S]: ...
+    def __ixor__(self: Self, __s: AbstractSet[_T]) -> Self: ...  # type: ignore[override,misc]
     def __le__(self, __s: AbstractSet[object]) -> bool: ...
     def __lt__(self, __s: AbstractSet[object]) -> bool: ...
     def __ge__(self, __s: AbstractSet[object]) -> bool: ...
diff --git a/stdlib/typing.pyi b/stdlib/typing.pyi
index 5a8557f90..15959d768 100644
--- a/stdlib/typing.pyi
+++ b/stdlib/typing.pyi
@@ -391,10 +391,10 @@ class MutableSet(AbstractSet[_T], Generic[_T]):
     def clear(self) -> None: ...
     def pop(self) -> _T: ...
     def remove(self, value: _T) -> None: ...
-    def __ior__(self, s: AbstractSet[_S]) -> MutableSet[_T | _S]: ...
-    def __iand__(self, s: AbstractSet[Any]) -> MutableSet[_T]: ...
-    def __ixor__(self, s: AbstractSet[_S]) -> MutableSet[_T | _S]: ...
-    def __isub__(self, s: AbstractSet[Any]) -> MutableSet[_T]: ...
+    def __ior__(self: Self, s: AbstractSet[_T]) -> Self: ...  # type: ignore[override,misc]
+    def __iand__(self: Self, s: AbstractSet[Any]) -> Self: ...
+    def __ixor__(self: Self, s: AbstractSet[_T]) -> Self: ...  # type: ignore[override,misc]
+    def __isub__(self: Self, s: AbstractSet[Any]) -> Self: ...
 
 class MappingView(Sized):
     def __init__(self, mapping: Mapping[Any, Any]) -> None: ...  # undocumented