--- a/configs/rockpro64-rk3399_defconfig
+++ b/configs/rockpro64-rk3399_defconfig
@@ -14,7 +14,7 @@
 CONFIG_SPL_SPI=y
 CONFIG_DEBUG_UART=y
 CONFIG_SYS_LOAD_ADDR=0x800800
-CONFIG_USE_PREBOOT=y
+CONFIG_USE_PREBOOT=n
 CONFIG_DEFAULT_FDT_FILE="rockchip/rk3399-rockpro64.dtb"
 CONFIG_DISPLAY_BOARDINFO_LATE=y
 CONFIG_MISC_INIT_R=y
@@ -83,6 +83,6 @@
 CONFIG_DM_VIDEO=y
 CONFIG_DISPLAY=y
 CONFIG_VIDEO_ROCKCHIP=y
-CONFIG_DISPLAY_ROCKCHIP_HDMI=y
+CONFIG_DISPLAY_ROCKCHIP_HDMI=n
 CONFIG_SPL_TINY_MEMSET=y
 CONFIG_ERRNO_STR=y