diff --git a/stubs/rx/disposables/serialdisposable.pyi b/stubs/rx/disposables/serialdisposable.pyi
deleted file mode 100644
--- a/stubs/rx/disposables/serialdisposable.pyi
+++ /dev/null
@@ -1,16 +0,0 @@
-# Stubs for rx.disposables.serialdisposable (Python 3)
-#
-# NOTE: This dynamically typed stub was automatically generated by stubgen.
-
-from rx.core import Disposable
-from typing import Any
-
-class SerialDisposable(Disposable):
-    current: Any = ...
-    is_disposed: bool = ...
-    lock: Any = ...
-    def __init__(self) -> None: ...
-    def get_disposable(self): ...
-    def set_disposable(self, value: Any) -> None: ...
-    disposable: Any = ...
-    def dispose(self) -> None: ...