diff --git a/bes2600/bes_fw.c b/bes2600/bes_fw.c
index 133c945..d612c3c 100644
--- a/bes2600/bes_fw.c
+++ b/bes2600/bes_fw.c
@@ -125,8 +125,6 @@ int bes_host_slave_sync(struct bes2600_common *hw_priv)
 }
 */
 
-//#define DATA_DUMP_OBSERVE
-
 static int bes_firmware_download_write_reg(struct platform_fw_t *fw_data, u32 addr, u32 val)
 {
 	u8 frame_num = 0;
@@ -468,14 +466,6 @@ static int bes_firmware_download(struct platform_fw_t *fw_data, const char *fw_n
 
 const struct firmware *fw_bin;
 
-#ifdef DATA_DUMP_OBSERVE
-	char *observe;
-	size_t observe_len;
-	loff_t observe_off = 0;
-	mm_segment_t old_fs;
-	struct file *observe_file = NULL;
-#endif
-
 	struct fw_msg_hdr_t header;
 	struct fw_info_t fw_info;
 	struct download_fw_t download_addr;
@@ -583,14 +573,6 @@ retry:
 	}
 	download_addr.addr = fw_info.addr;
 
-#ifdef DATA_DUMP_OBSERVE
-	observe_file = filp_open("/lib/firmware/bes2002_fw_write.bin", O_CREAT | O_RDWR, 0);
-	if (IS_ERR(observe_file)) {
-		bes_err("create data_dump file err:%ld\n", IS_ERR(observe_file));
-		observe_file = NULL;
-	}
-#endif
-
 	while (code_length) {
 
 #if 1
@@ -640,17 +622,6 @@ retry:
 		//mdelay(5000);
 		bes_devel("tx_download_firmware_data:%x %d\n", download_addr.addr, length);
 
-#ifdef DATA_DUMP_OBSERVE
-		if (observe_file) {
-			observe = (char *)(long_buf + sizeof(struct fw_msg_hdr_t) + sizeof(struct download_fw_t));
-			observe_len = length - sizeof(struct fw_msg_hdr_t) - sizeof(struct download_fw_t);
-			old_fs = get_fs();
-			set_fs(KERNEL_DS);
-			vfs_write(observe_file, observe, observe_len, &observe_off);
-			set_fs(old_fs);
-		}
-#endif
-
 		ret = bes2600_data_write(long_buf, length > 512 ? length : 512);
 		if (ret) {
 			bes_err("tx download fw data err:%d\n", ret);
@@ -832,11 +803,6 @@ retry:
 
 err2:
 	kfree(long_buf);
-#ifdef DATA_DUMP_OBSERVE
-	if (observe_file) {
-		filp_close(observe_file, NULL);
-	}
-#endif
 err1:
 	kfree(short_buf);
 	release_firmware(fw_bin);
diff --git a/bes2600/main.c b/bes2600/main.c
index 6ed6b15..9d2aac5 100644
--- a/bes2600/main.c
+++ b/bes2600/main.c
@@ -790,41 +790,6 @@ void bes2600_core_release(struct bes2600_common *self)
 	return;
 }
 
-#if (GET_MAC_ADDR_METHOD == 2) || (GET_MAC_ADDR_METHOD == 3) /* To use macaddr and ps mode of customers */
-int access_file(char *path, char *buffer, int size, int isRead)
-{
-	int ret=0;
-	struct file *fp;
-	mm_segment_t old_fs = get_fs();
-
-	if(isRead)
-		fp = filp_open(path,O_RDONLY,S_IRUSR);
-	else
-		fp = filp_open(path,O_CREAT|O_WRONLY,S_IRUSR);
-
-	if (IS_ERR(fp)) {
-		bes_err("BES2600 : can't open %s\n", path);
-		return -1;
-	}
-
-	if (isRead) {
-			fp->f_pos = 0;
-			set_fs(KERNEL_DS);
-			ret = vfs_read(fp,buffer,size,&fp->f_pos);
-			set_fs(old_fs);
-	} else {
-			fp->f_pos = 0;
-			set_fs(KERNEL_DS);
-			ret = vfs_write(fp,buffer,size,&fp->f_pos);
-			set_fs(old_fs);
-	}
-	filp_close(fp,NULL);
-
-	bes_info("BES2600 : access_file return code(%d)\n", ret);
-	return ret;
-}
-#endif
-
 int bes2600_wifi_start(struct bes2600_common *hw_priv)
 {
 	int ret = 0, if_id;