diff --git a/stdlib/@tests/stubtest_allowlists/py38.txt b/stdlib/@tests/stubtest_allowlists/py38.txt
index f06a69950..6d98ee251 100644
--- a/stdlib/@tests/stubtest_allowlists/py38.txt
+++ b/stdlib/@tests/stubtest_allowlists/py38.txt
@@ -4,14 +4,10 @@
 
 _dummy_threading.Condition.acquire
 _dummy_threading.Condition.release
-_dummy_threading.Event.isSet
 _dummy_threading.ExceptHookArgs
 _dummy_threading.Lock
 _dummy_threading.RLock
 _dummy_threading.Thread.native_id
-_dummy_threading._DummyThread.__init__
-_dummy_threading._RLock.__enter__
-_dummy_threading.local.__new__
 asyncio.WriteTransport.get_write_buffer_limits  # Documented. Exists in subclasses, but not in WriteTransport itself
 asyncio.locks._ContextManagerMixin.__enter__  # Always raises; deliberately omitted from the stub
 asyncio.locks._ContextManagerMixin.__exit__  # Always raises; deliberately omitted from the stub
@@ -19,9 +15,7 @@ asyncio.transports.WriteTransport.get_write_buffer_limits  # Documented. Exists
 builtins.float.__set_format__  # Internal method for CPython test suite
 dummy_threading.Condition.acquire
 dummy_threading.Condition.release
-dummy_threading.Event.isSet
 dummy_threading.Thread.native_id
-dummy_threading.local.__new__
 typing.NamedTuple.__new__
 typing.NamedTuple._asdict
 typing.NamedTuple._make
diff --git a/stdlib/_dummy_threading.pyi b/stdlib/_dummy_threading.pyi
index 21d1d1921..1b66fb414 100644
--- a/stdlib/_dummy_threading.pyi
+++ b/stdlib/_dummy_threading.pyi
@@ -1,11 +1,23 @@
-import sys
-from _thread import _excepthook, _ExceptHookArgs
+from _threading_local import local as local
 from _typeshed import ProfileFunction, TraceFunction
-from collections.abc import Callable, Iterable, Mapping
-from types import TracebackType
-from typing import Any, TypeVar
-
-_T = TypeVar("_T")
+from threading import (
+    TIMEOUT_MAX as TIMEOUT_MAX,
+    Barrier as Barrier,
+    BoundedSemaphore as BoundedSemaphore,
+    BrokenBarrierError as BrokenBarrierError,
+    Condition as Condition,
+    Event as Event,
+    ExceptHookArgs as ExceptHookArgs,
+    Lock as Lock,
+    RLock as RLock,
+    Semaphore as Semaphore,
+    Thread as Thread,
+    ThreadError as ThreadError,
+    Timer as Timer,
+    _DummyThread as _DummyThread,
+    _RLock as _RLock,
+    excepthook as excepthook,
+)
 
 __all__ = [
     "get_ident",
@@ -42,123 +54,3 @@ def main_thread() -> Thread: ...
 def settrace(func: TraceFunction) -> None: ...
 def setprofile(func: ProfileFunction | None) -> None: ...
 def stack_size(size: int | None = None) -> int: ...
-
-TIMEOUT_MAX: float
-
-class ThreadError(Exception): ...
-
-class local:
-    def __getattribute__(self, name: str) -> Any: ...
-    def __setattr__(self, name: str, value: Any) -> None: ...
-    def __delattr__(self, name: str) -> None: ...
-
-class Thread:
-    name: str
-    daemon: bool
-    @property
-    def ident(self) -> int | None: ...
-    def __init__(
-        self,
-        group: None = None,
-        target: Callable[..., object] | None = None,
-        name: str | None = None,
-        args: Iterable[Any] = (),
-        kwargs: Mapping[str, Any] | None = None,
-        *,
-        daemon: bool | None = None,
-    ) -> None: ...
-    def start(self) -> None: ...
-    def run(self) -> None: ...
-    def join(self, timeout: float | None = None) -> None: ...
-    def getName(self) -> str: ...
-    def setName(self, name: str) -> None: ...
-    @property
-    def native_id(self) -> int | None: ...  # only available on some platforms
-    def is_alive(self) -> bool: ...
-    if sys.version_info < (3, 9):
-        def isAlive(self) -> bool: ...
-
-    def isDaemon(self) -> bool: ...
-    def setDaemon(self, daemonic: bool) -> None: ...
-
-class _DummyThread(Thread): ...
-
-class Lock:
-    def __enter__(self) -> bool: ...
-    def __exit__(
-        self, exc_type: type[BaseException] | None, exc_val: BaseException | None, exc_tb: TracebackType | None
-    ) -> bool | None: ...
-    def acquire(self, blocking: bool = ..., timeout: float = ...) -> bool: ...
-    def release(self) -> None: ...
-    def locked(self) -> bool: ...
-
-class _RLock:
-    def __enter__(self) -> bool: ...
-    def __exit__(
-        self, exc_type: type[BaseException] | None, exc_val: BaseException | None, exc_tb: TracebackType | None
-    ) -> bool | None: ...
-    def acquire(self, blocking: bool = True, timeout: float = -1) -> bool: ...
-    def release(self) -> None: ...
-
-RLock = _RLock
-
-class Condition:
-    def __init__(self, lock: Lock | _RLock | None = None) -> None: ...
-    def __enter__(self) -> bool: ...
-    def __exit__(
-        self, exc_type: type[BaseException] | None, exc_val: BaseException | None, exc_tb: TracebackType | None
-    ) -> bool | None: ...
-    def acquire(self, blocking: bool = ..., timeout: float = ...) -> bool: ...
-    def release(self) -> None: ...
-    def wait(self, timeout: float | None = None) -> bool: ...
-    def wait_for(self, predicate: Callable[[], _T], timeout: float | None = None) -> _T: ...
-    def notify(self, n: int = 1) -> None: ...
-    def notify_all(self) -> None: ...
-    def notifyAll(self) -> None: ...
-
-class Semaphore:
-    def __init__(self, value: int = 1) -> None: ...
-    def __exit__(
-        self, exc_type: type[BaseException] | None, exc_val: BaseException | None, exc_tb: TracebackType | None
-    ) -> bool | None: ...
-    def acquire(self, blocking: bool = True, timeout: float | None = None) -> bool: ...
-    def __enter__(self, blocking: bool = True, timeout: float | None = None) -> bool: ...
-    if sys.version_info >= (3, 9):
-        def release(self, n: int = ...) -> None: ...
-    else:
-        def release(self) -> None: ...
-
-class BoundedSemaphore(Semaphore): ...
-
-class Event:
-    def is_set(self) -> bool: ...
-    def set(self) -> None: ...
-    def clear(self) -> None: ...
-    def wait(self, timeout: float | None = None) -> bool: ...
-
-excepthook = _excepthook
-ExceptHookArgs = _ExceptHookArgs
-
-class Timer(Thread):
-    def __init__(
-        self,
-        interval: float,
-        function: Callable[..., object],
-        args: Iterable[Any] | None = None,
-        kwargs: Mapping[str, Any] | None = None,
-    ) -> None: ...
-    def cancel(self) -> None: ...
-
-class Barrier:
-    @property
-    def parties(self) -> int: ...
-    @property
-    def n_waiting(self) -> int: ...
-    @property
-    def broken(self) -> bool: ...
-    def __init__(self, parties: int, action: Callable[[], None] | None = None, timeout: float | None = None) -> None: ...
-    def wait(self, timeout: float | None = None) -> int: ...
-    def reset(self) -> None: ...
-    def abort(self) -> None: ...
-
-class BrokenBarrierError(RuntimeError): ...