diff --git a/boot/common/src/uboot/drivers/peripheral/peripheral.c b/boot/common/src/uboot/drivers/peripheral/peripheral.c
index 3646130..be5825f 100755
--- a/boot/common/src/uboot/drivers/peripheral/peripheral.c
+++ b/boot/common/src/uboot/drivers/peripheral/peripheral.c
@@ -34,9 +34,6 @@
 ****************************************************************************/
 #define SD1_IO_1V8_EN	0x13c830
 #define REG32(x)			    (*(volatile u32*)(x))
-//xf.li@20230412 add for enable GNSS start
-#define ZX_TOP_CRM_BASE	0x0013B000
-//xf.li@20230412 add for enable GNSS end
 /****************************************************************************
 *											   Local Types
 ****************************************************************************/
@@ -83,8 +80,6 @@
 	
 	REG32(SD1_IO_1V8_EN) |=(1<<1);
 //xf.li@20230412 add for enable GNSS start
-	REG32(ZX_TOP_CRM_BASE + 0x34) |= (0x1<<5);
-	zDrvGpio_SetFunc(GPIO15,GPIO15_CLK_OUT0);
 	/*关闭gps电源*/
 	zDrvGpio_SetFunc(GPIO86, GPIO86_GPIO86);
 	zDrvGpio_SetDirection(GPIO86, GPIO_OUT);