diff --git a/stdlib/@tests/stubtest_allowlists/common.txt b/stdlib/@tests/stubtest_allowlists/common.txt
index 6a6fb135451f..b54fc4056281 100644
--- a/stdlib/@tests/stubtest_allowlists/common.txt
+++ b/stdlib/@tests/stubtest_allowlists/common.txt
@@ -71,7 +71,6 @@ socketserver.BaseServer.fileno  # implemented in derived classes
 socketserver.BaseServer.get_request  # implemented in derived classes
 socketserver.BaseServer.server_bind  # implemented in derived classes
 ssl.Purpose.__new__  # the multiple inheritance confuses mypy
-sys.UnraisableHookArgs  # Not exported from sys
 tarfile.TarFile.errors  # errors is initialized for some reason as None even though it really only accepts str
 tkinter.simpledialog.[A-Z_]+
 tkinter.simpledialog.TclVersion
diff --git a/stdlib/sys/__init__.pyi b/stdlib/sys/__init__.pyi
index eab95b6aa6b9..505e38fa5751 100644
--- a/stdlib/sys/__init__.pyi
+++ b/stdlib/sys/__init__.pyi
@@ -415,6 +415,7 @@ if sys.version_info < (3, 9):
     def callstats() -> tuple[int, int, int, int, int, int, int, int, int, int, int] | None: ...
 
 # Doesn't exist at runtime, but exported in the stubs so pytest etc. can annotate their code more easily.
+@type_check_only
 class UnraisableHookArgs(Protocol):
     exc_type: type[BaseException]
     exc_value: BaseException | None