def reset_device_map(self):
        r"""
        Resets the device maps (if any) to None.
        """
        if self.hf_device_map is None:
            return
        else:
            self.remove_all_hooks()
            for name, component in self.components.items():
                if isinstance(component, torch.nn.Module):
                    component.to("cpu")
            self.hf_device_map = None

        Resets the device maps (if any) to None.
        
src/diffusers/pipelines/pipeline_utils.py