diff --git a/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/edu-riscv64/Kconfig b/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/edu-riscv64/Kconfig
index a8b7cb0d6..674202c72 100644
--- a/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/edu-riscv64/Kconfig
+++ b/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/edu-riscv64/Kconfig
@@ -10,26 +10,6 @@ menuconfig BSP_USING_CH376
     default n
     select K210_UART
     select K210_UART3
-    
-if BSP_USING_CH376
-
-choice
-	prompt "select ch376 function."
-	default CH376_USB_FUNCTION
-
-config CH376_USB_FUNCTION
-	bool "select ch376 usb function"
-
-config CH376_SD_FUNCTION
-	bool "select ch376 sd function"
-endchoice
-
-config CH376_WORK_MODE
-	hex "ch376 work mode set:0x03 sd,0x06 u-disk"
-	default 0x03 if CH376_SD_FUNCTION
-	default 0x06 if CH376_USB_FUNCTION
-
-endif # BSP_USING_CH376
 
 menuconfig BSP_USING_ENET
     bool "Using ENET device"