diff --git a/include/configs/firefly-rk3288.h b/include/configs/firefly-rk3288.h
index d6bb9f6fb4af05d91755e77a3dc717dd33856ce1..2b0ac9ec5f43e62c8bb47679063bcd5b72538cf5 100644
--- a/include/configs/firefly-rk3288.h
+++ b/include/configs/firefly-rk3288.h
@@ -10,8 +10,7 @@
 #define ROCKCHIP_DEVICE_SETTINGS \
 		"stdin=serial,usbkbd\0" \
 		"stdout=serial,vidconsole\0" \
-		"stderr=serial,vidconsole\0" \
-		"preboot=usb start\0"
+		"stderr=serial,vidconsole\0"
 
 #include <configs/rk3288_common.h>