def METHOD_NAME(self, event: "_CallFunctionEvent") -> None:
    info_dict = self._delayed_events.get(event)
    if info_dict is None:
        return
    timer_callback = info_dict["timer_callback"]
    timer = info_dict["timer"]
    timer.stop()
    timer.timeout.disconnect(timer_callback)
    del self._delayed_events[event]