--- a/mt_wifi/embedded/common/ee_flash.c	2022-04-25 18:12:11.000000000 +0800
+++ b/mt_wifi/embedded/common/ee_flash.c	2022-11-02 20:29:54.654154912 +0800
@@ -27,113 +27,12 @@
 #include	"rt_config.h"
 #include "hdev/hdev.h"
 
-/*decision flash api by compiler flag*/
-#ifdef CONFIG_PROPRIETARY_DRIVER
-/*
-* @ used for proprietary driver support, can't read/write mtd on driver
-* @ read: mtd flash patrition use request firmware to load
-* @ write: write not support, use ated to write to flash
-*/
-static void flash_bin_read(void *ctrl, UCHAR *p, ULONG a, ULONG b)
-{
-	struct _RTMP_ADAPTER *ad = ((struct hdev_ctrl *) ctrl)->priv;
-	UCHAR *buffer = NULL;
-	UINT32 len = 0;
-	UCHAR *name = get_dev_eeprom_binary(ad);
-
-	/*load from request firmware*/
-	os_load_code_from_bin(ad, &buffer, name, &len);
-
-	if (len > 0 && buffer != NULL) {
-		os_move_mem(p, buffer + a, b);
-	}
-
-	if (buffer != NULL) {
-#ifdef MT7981
-		vfree(buffer);
-#else
-		os_free_mem(buffer);
-#endif
-	}
-}
-
-static void flash_bin_write(void *ctrl, UCHAR *p, ULONG a, ULONG b)
-{
-	MTWF_DBG(NULL, DBG_CAT_CFG, DBG_SUBCAT_ALL, DBG_LVL_INFO,
-		 "proprietary driver not support flash write, will write on ated.\n");
-}
-
-#define flash_read(_ctrl, _ptr, _offset, _len) flash_bin_read(_ctrl, _ptr, _offset, _len)
-#define flash_write(_ctrl, _ptr, _offset, _len) flash_bin_write(_ctrl, _ptr, _offset, _len)
-
-#else
-
-#ifdef CONFIG_RALINK_FLASH_API
-/*
-* @ The flag "CONFIG_RALINK_FLASH_API" is used for APSoC Linux SDK
-*/
-
-int32_t FlashRead(
-	uint32_t *dst,
-	uint32_t *src,
-	uint32_t count);
-
-int32_t FlashWrite(
-	uint16_t *source,
-	uint16_t *destination,
-	uint32_t numBytes);
-
-#define flash_read(_ctrl, _ptr, _offset, _len) FlashRead((uint16_t *)_ptr, (uint16_t *)_offset, (uint32_t)_len)
-#define flash_write(_ctrl, _ptr, _offset, _len) FlashWrite(_ptr, _offset, _len)
-
-#else
-/*============================================================================*/
-#ifdef RA_MTD_RW_BY_NUM
-
-/*
-* @ The flag "CONFIG_RALINK_FLASH_API" is used for APSoC Linux SDK
-*/
-
-#if defined(CONFIG_RT2880_FLASH_32M)
-#define MTD_NUM_FACTORY 5
-#else
-#define MTD_NUM_FACTORY 2
-#endif
-extern int ra_mtd_write(int num, loff_t to, size_t len, const u_char *buf);
-extern int ra_mtd_read(int num, loff_t from, size_t len, u_char *buf);
-
-#define flash_read(_ctrl, _ptr, _offset, _len) ra_mtd_read(MTD_NUM_FACTORY, 0, (size_t)_len, _ptr)
-#define flash_write(_ctrl, _ptr, _offset, _len) ra_mtd_write(MTD_NUM_FACTORY, 0, (size_t)_len, _ptr)
-
-#else
-
-#ifdef CONFIG_WIFI_MTD
-/*
-* @ used mtd mode flash partition from proprietary driver mt_wifi_mtd.c
-*/
 int mt_mtd_write_nm_wifi(char *name, loff_t to, size_t len, const u_char *buf);
 int mt_mtd_read_nm_wifi(char *name, loff_t from, size_t len, u_char *buf);
 
 #define flash_read(_ctrl, _ptr, _offset, _len) mt_mtd_read_nm_wifi("Factory", _offset, (size_t)_len, _ptr)
 #define flash_write(_ctrl, _ptr, _offset, _len) mt_mtd_write_nm_wifi("Factory", _offset, (size_t)_len, _ptr)
 
-#else
-/*
-* @ use sdk export func.
-*/
-
-extern int ra_mtd_write_nm(char *name, loff_t to, size_t len, const u_char *buf);
-extern int ra_mtd_read_nm(char *name, loff_t from, size_t len, u_char *buf);
-
-#define flash_read(_ctrl, _ptr, _offset, _len) ra_mtd_read_nm("Factory", _offset, (size_t)_len, _ptr)
-#define flash_write(_ctrl, _ptr, _offset, _len) ra_mtd_write_nm("Factory", _offset, (size_t)_len, _ptr)
-
-#endif /*CONFIG_WIFI_MTD*/
-#endif /*RA_MTD_RW_BY_NUM*/
-#endif /* CONFIG_RALINK_FLASH_API */
-#endif /*CONFIG_PROPRIETERY_DRIVER*/
-
-
 void RtmpFlashRead(
 	void *hdev_ctrl,
 	UCHAR *p,