diff --git a/drivers/thermal/thermal_of.c b/drivers/thermal/thermal_of.c
index 2fcdb3e459c0..ff4d12ef51bc 100644
--- a/drivers/thermal/thermal_of.c
+++ b/drivers/thermal/thermal_of.c
@@ -19,20 +19,6 @@
 
 #include "thermal_core.h"
 
-static int of_thermal_get_crit_temp(struct thermal_zone_device *tz,
-				    int *temp)
-{
-	int i;
-
-	for (i = 0; i < tz->num_trips; i++)
-		if (tz->trips[i].type == THERMAL_TRIP_CRITICAL) {
-			*temp = tz->trips[i].temperature;
-			return 0;
-		}
-
-	return -EINVAL;
-}
-
 /***   functions parsing device tree nodes   ***/
 
 static int of_find_trip_id(struct device_node *np, struct device_node *trip)
@@ -531,7 +517,6 @@ struct thermal_zone_device *thermal_of_zone_register(struct device_node *sensor,
 		goto out_kfree_trips;
 	}
 
-	of_ops->get_crit_temp = of_ops->get_crit_temp ? : of_thermal_get_crit_temp;
 	of_ops->bind = thermal_of_bind;
 	of_ops->unbind = thermal_of_unbind;