diff --git a/configs/Linksprite_pcDuino_defconfig b/configs/Linksprite_pcDuino_defconfig
index 68d9137..13b7ed3 100644
--- a/configs/Linksprite_pcDuino_defconfig
+++ b/configs/Linksprite_pcDuino_defconfig
@@ -1,6 +1,8 @@
 CONFIG_ARM=y
 CONFIG_ARCH_SUNXI=y
 CONFIG_MACH_SUN4I=y
+CONFIG_USB1_VBUS_PIN=""
+CONFIG_USB2_VBUS_PIN=""
 CONFIG_DEFAULT_DEVICE_TREE="sun4i-a10-pcduino"
 # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
 CONFIG_SPL=y