diff --git a/stdlib/3/sys.pyi b/stdlib/3/sys.pyi
index f78826c65..68f238300 100644
--- a/stdlib/3/sys.pyi
+++ b/stdlib/3/sys.pyi
@@ -127,7 +127,7 @@ class _version_info(Tuple[int, int, int, str, int]):
     serial: int
 version_info: _version_info
 
-def call_tracing(fn: Callable[..., _T], args: Any) -> _T: ...
+def call_tracing(__func: Callable[..., _T], __args: Any) -> _T: ...
 def _clear_type_cache() -> None: ...
 def _current_frames() -> Dict[int, Any]: ...
 def _debugmallocstats() -> None: ...
@@ -136,14 +136,14 @@ def __excepthook__(type_: Type[BaseException], value: BaseException,
                    traceback: TracebackType) -> None: ...
 def exc_info() -> _OptExcInfo: ...
 # sys.exit() accepts an optional argument of anything printable
-def exit(arg: object = ...) -> NoReturn: ...
+def exit(__status: object = ...) -> NoReturn: ...
 def getcheckinterval() -> int: ...  # deprecated
 def getdefaultencoding() -> str: ...
 if sys.platform != 'win32':
     # Unix only
     def getdlopenflags() -> int: ...
 def getfilesystemencoding() -> str: ...
-def getrefcount(arg: Any) -> int: ...
+def getrefcount(__object: Any) -> int: ...
 def getrecursionlimit() -> int: ...
 
 @overload
@@ -153,10 +153,7 @@ def getsizeof(obj: object, default: int) -> int: ...
 
 def getswitchinterval() -> float: ...
 
-@overload
-def _getframe() -> FrameType: ...
-@overload
-def _getframe(depth: int) -> FrameType: ...
+def _getframe(__depth: int = ...) -> FrameType: ...
 
 _ProfileFunc = Callable[[FrameType, str, Any], Any]
 def getprofile() -> Optional[_ProfileFunc]: ...
@@ -184,7 +181,7 @@ class _WinVersion(Tuple[int, int, int, int,
 
 def getwindowsversion() -> _WinVersion: ...  # Windows only
 
-def intern(string: str) -> str: ...
+def intern(__string: str) -> str: ...
 
 def is_finalizing() -> bool: ...
 
@@ -192,11 +189,10 @@ if sys.version_info >= (3, 7):
     __breakpointhook__: Any  # contains the original value of breakpointhook
     def breakpointhook(*args: Any, **kwargs: Any) -> Any: ...
 
-def setcheckinterval(interval: int) -> None: ...  # deprecated
-def setdlopenflags(n: int) -> None: ...  # Linux only
-def setrecursionlimit(limit: int) -> None: ...
-def setswitchinterval(interval: float) -> None: ...
-def settscdump(on_flag: bool) -> None: ...
+def setcheckinterval(__n: int) -> None: ...  # deprecated
+def setdlopenflags(__flags: int) -> None: ...  # Linux only
+def setrecursionlimit(__limit: int) -> None: ...
+def setswitchinterval(__interval: float) -> None: ...
 
 def gettotalrefcount() -> int: ...  # Debug builds only
 
diff --git a/tests/stubtest_whitelists/py38.txt b/tests/stubtest_whitelists/py38.txt
index 31bb9835a..ba485e54c 100644
--- a/tests/stubtest_whitelists/py38.txt
+++ b/tests/stubtest_whitelists/py38.txt
@@ -205,15 +205,6 @@ struct.iter_unpack
 struct.unpack
 struct.unpack_from
 sys.UnraisableHookArgs
-sys._getframe
-sys.call_tracing
-sys.exit
-sys.getrefcount
-sys.intern
-sys.setcheckinterval
-sys.setdlopenflags
-sys.setrecursionlimit
-sys.setswitchinterval
 threading.ExceptHookArgs
 time.CLOCK_PROF
 time.CLOCK_UPTIME
diff --git a/tests/stubtest_whitelists/py3_common.txt b/tests/stubtest_whitelists/py3_common.txt
index 0c547d031..4384b4041 100644
--- a/tests/stubtest_whitelists/py3_common.txt
+++ b/tests/stubtest_whitelists/py3_common.txt
@@ -757,7 +757,6 @@ sys.last_type
 sys.last_value
 sys.ps1
 sys.ps2
-sys.settscdump
 sys.tracebacklimit
 sysconfig.is_python_build
 sysconfig.parse_config_h