diff --git a/stdlib/builtins.pyi b/stdlib/builtins.pyi
index baa7f15a7..3aa14e429 100644
--- a/stdlib/builtins.pyi
+++ b/stdlib/builtins.pyi
@@ -587,15 +587,11 @@ class str(Sequence[str]):
 
 class bytes(ByteString):
     @overload
-    def __new__(cls: type[Self], __ints: Iterable[SupportsIndex]) -> Self: ...
+    def __new__(cls: type[Self], __o: Iterable[SupportsIndex] | SupportsIndex | SupportsBytes | ReadableBuffer) -> Self: ...
     @overload
     def __new__(cls: type[Self], __string: str, encoding: str, errors: str = ...) -> Self: ...
     @overload
-    def __new__(cls: type[Self], __length: SupportsIndex) -> Self: ...
-    @overload
     def __new__(cls: type[Self]) -> Self: ...
-    @overload
-    def __new__(cls: type[Self], __o: SupportsBytes) -> Self: ...
     def capitalize(self) -> bytes: ...
     def center(self, __width: SupportsIndex, __fillchar: bytes = ...) -> bytes: ...
     def count(
@@ -696,11 +692,9 @@ class bytearray(MutableSequence[int], ByteString):
     @overload
     def __init__(self) -> None: ...
     @overload
-    def __init__(self, __ints: Iterable[SupportsIndex]) -> None: ...
+    def __init__(self, __ints: Iterable[SupportsIndex] | SupportsIndex | ReadableBuffer) -> None: ...
     @overload
     def __init__(self, __string: str, encoding: str, errors: str = ...) -> None: ...
-    @overload
-    def __init__(self, __length: SupportsIndex) -> None: ...
     def append(self, __item: SupportsIndex) -> None: ...
     def capitalize(self) -> bytearray: ...
     def center(self, __width: SupportsIndex, __fillchar: bytes = ...) -> bytearray: ...