diff --git a/stdlib/threading.pyi b/stdlib/threading.pyi
index 729def005..0b0961c05 100644
--- a/stdlib/threading.pyi
+++ b/stdlib/threading.pyi
@@ -106,7 +106,7 @@ class Lock:
     def __enter__(self) -> bool: ...
     def __exit__(
         self, exc_type: type[BaseException] | None, exc_val: BaseException | None, exc_tb: TracebackType | None
-    ) -> bool | None: ...
+    ) -> None: ...
     def acquire(self, blocking: bool = ..., timeout: float = ...) -> bool: ...
     def release(self) -> None: ...
     def locked(self) -> bool: ...
@@ -125,7 +125,7 @@ class Condition:
     def __enter__(self) -> bool: ...
     def __exit__(
         self, exc_type: type[BaseException] | None, exc_val: BaseException | None, exc_tb: TracebackType | None
-    ) -> bool | None: ...
+    ) -> None: ...
     def acquire(self, blocking: bool = ..., timeout: float = ...) -> bool: ...
     def release(self) -> None: ...
     def wait(self, timeout: float | None = ...) -> bool: ...