diff --git a/drivers/thermal/thermal_core.h b/drivers/thermal/thermal_core.h
index 7dfe6c8deb8e..fe2917a74054 100644
--- a/drivers/thermal/thermal_core.h
+++ b/drivers/thermal/thermal_core.h
@@ -120,8 +120,6 @@ void __thermal_zone_device_update(struct thermal_zone_device *tz,
 	for (__trip = __tz->trips; __trip - __tz->trips < __tz->num_trips; __trip++)
 
 void __thermal_zone_set_trips(struct thermal_zone_device *tz);
-int __thermal_zone_get_trip(struct thermal_zone_device *tz, int trip_id,
-			    struct thermal_trip *trip);
 int thermal_zone_trip_id(struct thermal_zone_device *tz,
 			 const struct thermal_trip *trip);
 void thermal_zone_trip_updated(struct thermal_zone_device *tz,