diff --git a/include/linux/backlight.h b/include/linux/backlight.h
index 1db67662bfcb0514bf8cef090f58ed1ecddf9978..7fbf0539e14a06d240ef14fa6c1f42098a11f5f2 100644
--- a/include/linux/backlight.h
+++ b/include/linux/backlight.h
@@ -84,7 +84,6 @@ struct backlight_properties {
 
 #define BL_CORE_SUSPENDED	(1 << 0)	/* backlight is suspended */
 #define BL_CORE_FBBLANK		(1 << 1)	/* backlight is under an fb blank event */
-#define BL_CORE_DRIVER1		(1 << 31)	/* reserved for driver specific use */
 
 };