diff --git a/stubs/rx/concurrency/immediatescheduler.pyi b/stubs/rx/concurrency/immediatescheduler.pyi
deleted file mode 100644
--- a/stubs/rx/concurrency/immediatescheduler.pyi
+++ /dev/null
@@ -1,13 +0,0 @@
-# Stubs for rx.concurrency.immediatescheduler (Python 3)
-#
-# NOTE: This dynamically typed stub was automatically generated by stubgen.
-
-from .schedulerbase import SchedulerBase
-from typing import Any, Optional
-
-class ImmediateScheduler(SchedulerBase):
-    def schedule(self, action: Any, state: Optional[Any] = ...): ...
-    def schedule_relative(self, duetime: Any, action: Any, state: Optional[Any] = ...): ...
-    def schedule_absolute(self, duetime: Any, action: Any, state: Optional[Any] = ...): ...
-
-immediate_scheduler: Any