diff --git a/stdlib/sys.pyi b/stdlib/sys.pyi
index 6e97fbb32..7dba4603b 100644
--- a/stdlib/sys.pyi
+++ b/stdlib/sys.pyi
@@ -6,7 +6,7 @@ from importlib.abc import PathEntryFinder
 from importlib.machinery import ModuleSpec
 from io import TextIOWrapper
 from types import FrameType, ModuleType, TracebackType
-from typing import Any, NoReturn, Protocol, TextIO, TypeVar, overload
+from typing import Any, NoReturn, Protocol, TextIO, TypeVar
 from typing_extensions import Final, Literal, TypeAlias, final
 
 _T = TypeVar("_T")
@@ -239,10 +239,7 @@ def getfilesystemencoding() -> str: ...
 def getfilesystemencodeerrors() -> str: ...
 def getrefcount(__object: Any) -> int: ...
 def getrecursionlimit() -> int: ...
-@overload
-def getsizeof(obj: object) -> int: ...
-@overload
-def getsizeof(obj: object, default: int) -> int: ...
+def getsizeof(obj: object, default: int = ...) -> int: ...
 def getswitchinterval() -> float: ...
 def getprofile() -> ProfileFunction | None: ...
 def setprofile(profilefunc: ProfileFunction | None) -> None: ...