diff --git a/homeassistant/components/matter/binary_sensor.py b/homeassistant/components/matter/binary_sensor.py
index a6d68682e9d..fe999487fbc 100644
--- a/homeassistant/components/matter/binary_sensor.py
+++ b/homeassistant/components/matter/binary_sensor.py
@@ -150,13 +150,12 @@ DISCOVERY_SCHEMAS = [
         entity_description=MatterBinarySensorEntityDescription(
             key="LockDoorStateSensor",
             device_class=BinarySensorDeviceClass.DOOR,
-            # pylint: disable=unnecessary-lambda
-            measurement_to_ha=lambda x: {
+            measurement_to_ha={
                 clusters.DoorLock.Enums.DoorStateEnum.kDoorOpen: True,
                 clusters.DoorLock.Enums.DoorStateEnum.kDoorJammed: True,
                 clusters.DoorLock.Enums.DoorStateEnum.kDoorForcedOpen: True,
                 clusters.DoorLock.Enums.DoorStateEnum.kDoorClosed: False,
-            }.get(x),
+            }.get,
         ),
         entity_class=MatterBinarySensor,
         required_attributes=(clusters.DoorLock.Attributes.DoorState,),