diff --git a/board/amlogic/configs/g12a_estelle_bx.h b/board/amlogic/configs/g12a_estelle_bx.h
index 9def690..5639f1a 100755
--- a/board/amlogic/configs/g12a_estelle_bx.h
+++ b/board/amlogic/configs/g12a_estelle_bx.h
@@ -139,9 +139,7 @@
 	"fb_addr=0x5f800000\0" \
 	"fb_width=608\0" \
 	"fb_height=1024\0" \
-	"usb_burning=update 1000\0" \
 	"fdt_high=0x20000000\0" \
-	"try_auto_burn=update 700 750;\0" \
 	"sdcburncfg=aml_sdc_burn.ini\0" \
 	"sdc_burning=sdc_burn ${sdcburncfg}\0" \
 	"wipe_data=successful\0" \
@@ -167,7 +165,7 @@
 		"else if test ${reboot_mode} = update; then " \
 			"run update;" \
 		"else if test ${reboot_mode} = cold_boot; then " \
-			/* "run try_auto_burn;" */ \
+			\
 		"else if test ${reboot_mode} = fastboot; then " \
 			"fastboot;" \
 		"fi;fi;fi;fi;" \
@@ -198,7 +196,6 @@
 		"fi;" \
 		"\0" \
 	"update=" \
-		"run usb_burning;" \
 		"run recovery_from_flash;" \
 		"\0" \
 	/* load and boot an image from 'recovery' partition to restore the device. */ \
@@ -488,17 +485,14 @@
 
 /* commands */
 #define CONFIG_CMD_CACHE 1
-#define CONFIG_CMD_BOOTI 1
 #define CONFIG_CMD_EFUSE 1
 #define CONFIG_CMD_I2C 1
-#define CONFIG_CMD_MEMORY 1
 #define CONFIG_CMD_FAT 1
 #define CONFIG_CMD_GPIO 1
 #define CONFIG_CMD_RUN
 #define CONFIG_CMD_REBOOT 1
 #define CONFIG_CMD_FACTORY_BOOT 1
 #define CONFIG_CMD_ECHO 1
-#define CONFIG_CMD_AUTOSCRIPT 1
 #define CONFIG_CMD_MISC 1
 
 /*file system*/
diff --git a/common/Kconfig b/common/Kconfig
index fd84fa0..6f47192 100644
--- a/common/Kconfig
+++ b/common/Kconfig
@@ -55,7 +55,7 @@
 
 config CMD_GO
 	bool "go"
-	default y
+	default n
 	help
 	  Start an application at a given address.