diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index 25ea8fe2313e..0da2c257e32c 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -83,8 +83,6 @@ struct thermal_trip {
 #define THERMAL_TRIP_PRIV_TO_INT(_val_)	(uintptr_t)(_val_)
 #define THERMAL_INT_TO_TRIP_PRIV(_val_)	(void *)(uintptr_t)(_val_)
 
-struct thermal_zone_device;
-
 struct cooling_spec {
 	unsigned long upper;	/* Highest cooling state  */
 	unsigned long lower;	/* Lowest cooling state  */