diff --git a/stdlib/2/__builtin__.pyi b/stdlib/2/__builtin__.pyi
index 90db490f3..0e01b635c 100644
--- a/stdlib/2/__builtin__.pyi
+++ b/stdlib/2/__builtin__.pyi
@@ -553,11 +553,9 @@ class memoryview(Sized, Container[str]):
     def __iter__(self) -> Iterator[str]: ...
     def __len__(self) -> int: ...
     @overload
-    def __setitem__(self, s: slice, o: memoryview) -> None: ...
+    def __setitem__(self, s: slice, o: bytes) -> None: ...
     @overload
-    def __setitem__(self, i: int, o: bytes) -> None: ...
-    @overload
-    def __setitem__(self, s: slice, o: Sequence[bytes]) -> None: ...
+    def __setitem__(self, i: int, o: int) -> None: ...
     def tobytes(self) -> bytes: ...
     def tolist(self) -> List[int]: ...
 
diff --git a/stdlib/2/builtins.pyi b/stdlib/2/builtins.pyi
index 90db490f3..0e01b635c 100644
--- a/stdlib/2/builtins.pyi
+++ b/stdlib/2/builtins.pyi
@@ -553,11 +553,9 @@ class memoryview(Sized, Container[str]):
     def __iter__(self) -> Iterator[str]: ...
     def __len__(self) -> int: ...
     @overload
-    def __setitem__(self, s: slice, o: memoryview) -> None: ...
+    def __setitem__(self, s: slice, o: bytes) -> None: ...
     @overload
-    def __setitem__(self, i: int, o: bytes) -> None: ...
-    @overload
-    def __setitem__(self, s: slice, o: Sequence[bytes]) -> None: ...
+    def __setitem__(self, i: int, o: int) -> None: ...
     def tobytes(self) -> bytes: ...
     def tolist(self) -> List[int]: ...
 
diff --git a/stdlib/3/builtins.pyi b/stdlib/3/builtins.pyi
index 144b57c3f..49d358312 100644
--- a/stdlib/3/builtins.pyi
+++ b/stdlib/3/builtins.pyi
@@ -608,11 +608,9 @@ class memoryview(Sized, Container[int]):
     def __iter__(self) -> Iterator[int]: ...
     def __len__(self) -> int: ...
     @overload
-    def __setitem__(self, s: slice, o: memoryview) -> None: ...
+    def __setitem__(self, s: slice, o: bytes) -> None: ...
     @overload
-    def __setitem__(self, i: int, o: bytes) -> None: ...
-    @overload
-    def __setitem__(self, s: slice, o: Sequence[bytes]) -> None: ...
+    def __setitem__(self, i: int, o: int) -> None: ...
     if sys.version_info >= (3, 8):
         def tobytes(self, order: Optional[Literal["C", "F", "A"]] = ...) -> bytes: ...
     else: