diff --git a/arch/risc-v/src/jh7110/Make.defs b/arch/risc-v/src/jh7110/Make.defs
index 48f00f8cbbc90..b3637fb353bd7 100644
--- a/arch/risc-v/src/jh7110/Make.defs
+++ b/arch/risc-v/src/jh7110/Make.defs
@@ -28,4 +28,4 @@ HEAD_ASRC = jh7110_head.S
 CHIP_CSRCS  = jh7110_start.c jh7110_irq_dispatch.c jh7110_irq.c
 CHIP_CSRCS += jh7110_timerisr.c jh7110_allocateheap.c
 CHIP_CSRCS += jh7110_mm_init.c jh7110_pgalloc.c
-CHIP_CSRCS += bl602_lowputc.c bl602_serial.c
+CHIP_CSRCS += bl602_serial.c
diff --git a/arch/risc-v/src/jh7110/bl602_serial.c b/arch/risc-v/src/jh7110/bl602_serial.c
index 21db1149eabdd..6a723b43100f2 100644
--- a/arch/risc-v/src/jh7110/bl602_serial.c
+++ b/arch/risc-v/src/jh7110/bl602_serial.c
@@ -38,13 +38,13 @@
 #include <nuttx/fs/ioctl.h>
 #include <nuttx/serial/tioctl.h>
 
-#include "bl602_lowputc.h"
-#include "bl602_gpio.h"
+////#include "bl602_lowputc.h"
+////#include "bl602_gpio.h"
 
-#include "hardware/bl602_uart.h"
-#include "hardware/bl602_glb.h"
+////#include "hardware/bl602_uart.h"
+////#include "hardware/bl602_glb.h"
 #include "riscv_internal.h"
-#include "bl602_config.h"
+////#include "bl602_config.h"
 #include "chip.h"
 
 /****************************************************************************