diff --git a/configs/tinker-rk3288_defconfig b/configs/tinker-rk3288_defconfig
index b234539..73b442f 100644
--- a/configs/tinker-rk3288_defconfig
+++ b/configs/tinker-rk3288_defconfig
@@ -9,6 +9,7 @@
 CONFIG_DEBUG_UART_CLOCK=24000000
 CONFIG_DEBUG_UART=y
 # CONFIG_ANDROID_BOOT_IMAGE is not set
+CONFIG_USE_PREBOOT=y
 CONFIG_SILENT_CONSOLE=y
 CONFIG_CONSOLE_MUX=y
 CONFIG_DEFAULT_FDT_FILE="rk3288-tinker.dtb"
@@ -78,6 +79,5 @@
 CONFIG_USB_HOST_ETHER=y
 CONFIG_USB_ETHER_ASIX=y
 CONFIG_USB_ETHER_SMSC95XX=y
-CONFIG_USE_TINY_PRINTF=y
 CONFIG_CMD_DHRYSTONE=y
 CONFIG_ERRNO_STR=y