diff --git a/meta-bytedance/meta-g220a/conf/machine/g220a.conf b/meta-bytedance/meta-g220a/conf/machine/g220a.conf
index 972862a..ba7a253 100644
--- a/meta-bytedance/meta-g220a/conf/machine/g220a.conf
+++ b/meta-bytedance/meta-g220a/conf/machine/g220a.conf
@@ -5,9 +5,6 @@
 UBOOT_DEVICETREE = "ast2500-evb"
 
 FLASH_SIZE = "65536"
-FLASH_UBOOT_OFFSET = "0"
-FLASH_ROFS_OFFSET = "5632"
-FLASH_RWFS_OFFSET = "49152"
 
 require conf/machine/include/ast2500.inc
 require conf/machine/include/obmc-bsp-common.inc