diff --git a/homeassistant/components/litterrobot/entity.py b/homeassistant/components/litterrobot/entity.py
index 9e9cc8f0740..4117069aa0e 100644
--- a/homeassistant/components/litterrobot/entity.py
+++ b/homeassistant/components/litterrobot/entity.py
@@ -17,7 +17,7 @@ from .coordinator import LitterRobotDataUpdateCoordinator
 _WhiskerEntityT = TypeVar("_WhiskerEntityT", bound=Robot | Pet)
 
 
-def get_device_info(whisker_entity: _WhiskerEntityT) -> DeviceInfo:
+def get_device_info(whisker_entity: Robot | Pet) -> DeviceInfo:
     """Get device info for a robot or pet."""
     if isinstance(whisker_entity, Robot):
         return DeviceInfo(