diff --git a/target/linux/bmips/base-files/lib/upgrade/cfe-jffs2-nand.sh b/target/linux/bmips/base-files/lib/upgrade/cfe-jffs2-nand.sh
deleted file mode 100644
index 64b8df652b9..00000000000
--- a/target/linux/bmips/base-files/lib/upgrade/cfe-jffs2-nand.sh
+++ /dev/null
@@ -1,37 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
-
-cfe_jffs2_nand_upgrade() {
-	local tar_file="$1"
-	local kernel_mtd="$(find_mtd_index $CI_KERNPART)"
-
-	if [ -z "$kernel_mtd" ]; then
-		echo "$CI_KERNPART partition not found"
-		return 1
-	fi
-
-	local board_dir=$(tar tf $tar_file | grep -m 1 '^sysupgrade-.*/$')
-	board_dir=${board_dir%/}
-
-	local kernel_length=$(tar xf $tar_file ${board_dir}/kernel -O | wc -c 2> /dev/null)
-	local rootfs_length=$(tar xf $tar_file ${board_dir}/root -O | wc -c 2> /dev/null)
-
-	if [ "$kernel_length" = 0 ]; then
-		echo "kernel cannot be empty"
-		return 1
-	fi
-
-	flash_erase -j /dev/mtd${kernel_mtd} 0 0
-	tar xf $tar_file ${board_dir}/kernel -O | nandwrite /dev/mtd${kernel_mtd} -
-
-	local rootfs_type="$(identify_tar "$tar_file" ${board_dir}/root)"
-
-	nand_upgrade_prepare_ubi "$rootfs_length" "$rootfs_type" "0" "0"
-
-	local ubidev="$( nand_find_ubi "$CI_UBIPART" )"
-
-	local root_ubivol="$(nand_find_volume $ubidev $CI_ROOTPART)"
-	tar xf $tar_file ${board_dir}/root -O | \
-		ubiupdatevol /dev/$root_ubivol -s $rootfs_length -
-
-	nand_do_upgrade_success
-}
diff --git a/target/linux/bmips/bcm63268/base-files/lib/upgrade/platform.sh b/target/linux/bmips/bcm63268/base-files/lib/upgrade/platform.sh
index 0aaf10442bb..befffd346e1 100644
--- a/target/linux/bmips/bcm63268/base-files/lib/upgrade/platform.sh
+++ b/target/linux/bmips/bcm63268/base-files/lib/upgrade/platform.sh
@@ -1,7 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 
-. /lib/upgrade/cfe-jffs2-nand.sh
-
 PART_NAME=firmware
 REQUIRE_IMAGE_METADATA=1
 
@@ -12,7 +10,8 @@ platform_check_image() {
 platform_do_upgrade() {
 	case "$(board_name)" in
 	comtrend,vr-3032u)
-		cfe_jffs2_nand_upgrade "$1"
+		CI_JFFS2_CLEAN_MARKERS=1
+		nand_do_upgrade "$1"
 		;;
 	sercomm,h500-s-lowi |\
 	sercomm,h500-s-vfes |\
diff --git a/target/linux/bmips/bcm6328/base-files/lib/upgrade/platform.sh b/target/linux/bmips/bcm6328/base-files/lib/upgrade/platform.sh
index eb1d7fd0e5b..1cf95be26a5 100644
--- a/target/linux/bmips/bcm6328/base-files/lib/upgrade/platform.sh
+++ b/target/linux/bmips/bcm6328/base-files/lib/upgrade/platform.sh
@@ -1,7 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 
-. /lib/upgrade/cfe-jffs2-nand.sh
-
 PART_NAME=firmware
 REQUIRE_IMAGE_METADATA=1
 
diff --git a/target/linux/bmips/bcm6362/base-files/lib/upgrade/platform.sh b/target/linux/bmips/bcm6362/base-files/lib/upgrade/platform.sh
index 9175cf4255e..ded966e4cca 100644
--- a/target/linux/bmips/bcm6362/base-files/lib/upgrade/platform.sh
+++ b/target/linux/bmips/bcm6362/base-files/lib/upgrade/platform.sh
@@ -1,7 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 
-. /lib/upgrade/cfe-jffs2-nand.sh
-
 PART_NAME=firmware
 REQUIRE_IMAGE_METADATA=1
 
@@ -13,7 +11,8 @@ platform_do_upgrade() {
 	case "$(board_name)" in
 	huawei,hg253s-v2 |\
 	netgear,dgnd3700-v2)
-		cfe_jffs2_nand_upgrade "$1"
+		CI_JFFS2_CLEAN_MARKERS=1
+		nand_do_upgrade "$1"
 		;;
 	*)
 		default_do_upgrade "$1"