diff --git a/stubs/rx/backpressure/windowedobservable.pyi b/stubs/rx/backpressure/windowedobservable.pyi
deleted file mode 100644
--- a/stubs/rx/backpressure/windowedobservable.pyi
+++ /dev/null
@@ -1,25 +0,0 @@
-# Stubs for rx.backpressure.windowedobservable (Python 3)
-#
-# NOTE: This dynamically typed stub was automatically generated by stubgen.
-
-from rx.core import ObservableBase, ObserverBase
-from typing import Any, Optional
-
-log: Any
-
-class WindowedObserver(ObserverBase):
-    observer: Any = ...
-    observable: Any = ...
-    cancel: Any = ...
-    scheduler: Any = ...
-    received: int = ...
-    schedule_disposable: Any = ...
-    def __init__(self, observer: Any, observable: Any, cancel: Any, scheduler: Any) -> None: ...
-    def dispose(self) -> None: ...
-
-class WindowedObservable(ObservableBase):
-    source: Any = ...
-    window_size: Any = ...
-    scheduler: Any = ...
-    subscription: Any = ...
-    def __init__(self, source: Any, window_size: Any, scheduler: Optional[Any] = ...) -> None: ...