diff --git a/px3se/build_all.sh b/px3se/build_all.sh
deleted file mode 100755
index 1ee36ab..0000000
--- a/px3se/build_all.sh
+++ /dev/null
@@ -1,7 +0,0 @@
-#! /bin/bash
-
-./mk-uboot.sh
-./mk-kernel.sh
-./mk-rootfs.sh
-./mk-recovery.sh
-
diff --git a/px3se/mk-kernel.sh b/px3se/mk-kernel.sh
deleted file mode 100755
index 5f5be5b..0000000
--- a/px3se/mk-kernel.sh
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/bin/bash
-
-#
-# Do a parallel build with multiple jobs, based on the number of CPUs online
-# in this system: 'make -j8' on a 8-CPU system, etc.
-#
-JOBS=$(grep -c ^processor /proc/cpuinfo)
-
-cd kernel && make ARCH=arm rockchip_linux_defconfig && make ARCH=arm px3se-evb.img -j$JOBS && cd -
-
-if [ $? -eq 0 ]; then
-    echo "====Build kernel ok!===="
-else
-    echo "====Build kernel failed!===="
-    exit 1
-fi
diff --git a/px3se/mk-recovery.sh b/px3se/mk-recovery.sh
deleted file mode 100755
index abe241f..0000000
--- a/px3se/mk-recovery.sh
+++ /dev/null
@@ -1,70 +0,0 @@
-#!/bin/bash
-#buildroot defconfig
-LUNCH=rockchip_px3se_recovery
-PROJECT_DIR=$(pwd)
-KERNEL_IMAGE=$PROJECT_DIR/kernel/arch/arm/boot/zImage
-KERNEL_DTB=$PROJECT_DIR/kernel/resource.img
-MAKE_KERNEL_SCRIPT=$PROJECT_DIR/device/rockchip/px3se/mk-kernel.sh
-usage()
-{
-    echo "USAGE: build [-ovj]"
-    echo "-o                    -Generate ota package"
-    echo "-v                    -Set build version name for output image folder"
-    echo "-j                    -Build jobs"
-    exit 1
-}
-
-# check pass argument
-while getopts "ovj:" arg
-do
-    case $arg in
-        o)
-            echo "will build ota package"
-            BUILD_OTA=true
-            ;;
-        v)
-            BUILD_VERSION=$OPTARG
-            ;;
-        j)
-            JOBS=$OPTARG
-            ;;
-        ?)
-            usage ;;
-    esac
-done
-
-TOP_DIR=$(pwd)
-source buildroot/build/envsetup.sh $LUNCH
-
-BUILD_CONFIG=`get_defconfig_name`
-echo "$BUILD_CONFIG"
-
-RAMDISK_IMAGE=buildroot/output/$BUILD_CONFIG/images/rootfs.cpio.gz
-RECOVERY_IMAGE=buildroot/output/$BUILD_CONFIG/images/recovery.img
-# build kernel
-if [ -f $KERNEL_IMAGE ]
-then
-	echo "found kernel image"
-else
-	echo "kernel image doesn't exist, now build kernel image"
-	$MAKE_KERNEL_SCRIPT
-	if [ $? -eq 0 ]; then
-		echo "build kernel done"
-	else
-		exit 1
-	fi
-fi
-
-# build recovery
-echo "====Start build recovery===="
-make
-if [ $? -eq 0 ]; then
-    echo "====Build recovery ok!===="
-else
-    echo "====Build recovery failed!===="
-    exit 1
-fi
-
-echo -n "pack recovery image..."
-$PROJECT_DIR/kernel/scripts/mkbootimg --kernel $KERNEL_IMAGE --ramdisk $RAMDISK_IMAGE --second $KERNEL_DTB -o $RECOVERY_IMAGE
-echo "done."
diff --git a/px3se/mk-rootfs.sh b/px3se/mk-rootfs.sh
deleted file mode 100755
index 6084657..0000000
--- a/px3se/mk-rootfs.sh
+++ /dev/null
@@ -1,23 +0,0 @@
-#!/bin/bash
-#buildroot defconfig
-LUNCH=rockchip_px3se
-#build jobs
-JOBS=$(grep -c ^processor /proc/cpuinfo)
-TOP_DIR=$(pwd)
-source buildroot/build/envsetup.sh $LUNCH
-TARGET_PRODUCT=`get_target_board_type $LUNCH`
-echo "$TARGET_PRODUCT"
-export PROJECT_TOP=$TOP_DIR
-BUILD_CONFIG=`get_defconfig_name`
-echo "$BUILD_CONFIG"
-ROOTFS_IMAGE=buildroot/output/$BUILD_CONFIG/images/rootfs.img
-# build rootfs
-echo "====Start build rootfs===="
-make -j$JOBS
-if [ $? -eq 0 ]; then
-    echo "====Build rootfs ok!===="
-else
-    echo "====Build rootfs failed!===="
-    exit 1
-fi
-
diff --git a/px3se/mk-uboot.sh b/px3se/mk-uboot.sh
deleted file mode 100755
index c4e12d1..0000000
--- a/px3se/mk-uboot.sh
+++ /dev/null
@@ -1,10 +0,0 @@
-#!/bin/bash
-
-cd u-boot && ./make.sh evb-px3se && cd -
-
-if [ $? -eq 0 ]; then
-    echo "====Build uboot ok!===="
-else
-    echo "====Build uboot failed!===="
-    exit 1
-fi
diff --git a/rk3288/build_all.sh b/rk3288/build_all.sh
deleted file mode 100755
index 1ee36ab..0000000
--- a/rk3288/build_all.sh
+++ /dev/null
@@ -1,7 +0,0 @@
-#! /bin/bash
-
-./mk-uboot.sh
-./mk-kernel.sh
-./mk-rootfs.sh
-./mk-recovery.sh
-
diff --git a/rk3288/mk-kernel.sh b/rk3288/mk-kernel.sh
deleted file mode 100755
index 7781baf..0000000
--- a/rk3288/mk-kernel.sh
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/bin/bash
-
-#
-# Do a parallel build with multiple jobs, based on the number of CPUs online
-# in this system: 'make -j8' on a 8-CPU system, etc.
-#
-JOBS=$(grep -c ^processor /proc/cpuinfo)
-
-cd kernel && make ARCH=arm rockchip_linux_defconfig && make ARCH=arm rk3288-evb-rk808-linux.img -j$JOBS && cd -
-
-if [ $? -eq 0 ]; then
-    echo "====Build kernel ok!===="
-else
-    echo "====Build kernel failed!===="
-    exit 1
-fi
diff --git a/rk3288/mk-recovery.sh b/rk3288/mk-recovery.sh
deleted file mode 100755
index 6aad685..0000000
--- a/rk3288/mk-recovery.sh
+++ /dev/null
@@ -1,70 +0,0 @@
-#!/bin/bash
-#buildroot defconfig
-LUNCH=rockchip_rk3288_recovery
-PROJECT_DIR=$(pwd)
-KERNEL_IMAGE=$PROJECT_DIR/kernel/arch/arm/boot/zImage
-KERNEL_DTB=$PROJECT_DIR/kernel/resource.img
-MAKE_KERNEL_SCRIPT=$PROJECT_DIR/device/rockchip/rk3288/mk-kernel.sh
-usage()
-{
-    echo "USAGE: build [-ovj]"
-    echo "-o                    -Generate ota package"
-    echo "-v                    -Set build version name for output image folder"
-    echo "-j                    -Build jobs"
-    exit 1
-}
-
-# check pass argument
-while getopts "ovj:" arg
-do
-    case $arg in
-        o)
-            echo "will build ota package"
-            BUILD_OTA=true
-            ;;
-        v)
-            BUILD_VERSION=$OPTARG
-            ;;
-        j)
-            JOBS=$OPTARG
-            ;;
-        ?)
-            usage ;;
-    esac
-done
-
-TOP_DIR=$(pwd)
-source buildroot/build/envsetup.sh $LUNCH
-
-BUILD_CONFIG=`get_defconfig_name`
-echo "$BUILD_CONFIG"
-
-RAMDISK_IMAGE=buildroot/output/$BUILD_CONFIG/images/rootfs.cpio.gz
-RECOVERY_IMAGE=buildroot/output/$BUILD_CONFIG/images/recovery.img
-# build kernel
-if [ -f $KERNEL_IMAGE ]
-then
-	echo "found kernel image"
-else
-	echo "kernel image doesn't exist, now build kernel image"
-	$MAKE_KERNEL_SCRIPT
-	if [ $? -eq 0 ]; then
-		echo "build kernel done"
-	else
-		exit 1
-	fi
-fi
-
-# build recovery
-echo "====Start build recovery===="
-make
-if [ $? -eq 0 ]; then
-    echo "====Build recovery ok!===="
-else
-    echo "====Build recovery failed!===="
-    exit 1
-fi
-
-echo -n "pack recovery image..."
-$PROJECT_DIR/kernel/scripts/mkbootimg --kernel $KERNEL_IMAGE --ramdisk $RAMDISK_IMAGE --second $KERNEL_DTB -o $RECOVERY_IMAGE
-echo "done."
diff --git a/rk3288/mk-rootfs.sh b/rk3288/mk-rootfs.sh
deleted file mode 100755
index 59d2da2..0000000
--- a/rk3288/mk-rootfs.sh
+++ /dev/null
@@ -1,23 +0,0 @@
-#!/bin/bash
-#buildroot defconfig
-LUNCH=rockchip_rk3288
-#build jobs
-JOBS=$(grep -c ^processor /proc/cpuinfo)
-TOP_DIR=$(pwd)
-source buildroot/build/envsetup.sh $LUNCH
-TARGET_PRODUCT=`get_target_board_type $LUNCH`
-echo "$TARGET_PRODUCT"
-export PROJECT_TOP=$TOP_DIR
-BUILD_CONFIG=`get_defconfig_name`
-echo "$BUILD_CONFIG"
-ROOTFS_IMAGE=buildroot/output/$BUILD_CONFIG/images/rootfs.img
-# build rootfs
-echo "====Start build rootfs===="
-make -j$JOBS
-if [ $? -eq 0 ]; then
-    echo "====Build rootfs ok!===="
-else
-    echo "====Build rootfs failed!===="
-    exit 1
-fi
-
diff --git a/rk3288/mk-uboot.sh b/rk3288/mk-uboot.sh
deleted file mode 100755
index 758b021..0000000
--- a/rk3288/mk-uboot.sh
+++ /dev/null
@@ -1,10 +0,0 @@
-#!/bin/bash
-
-cd u-boot && ./make.sh fennec-rk3288 && cd -
-
-if [ $? -eq 0 ]; then
-    echo "====Build uboot ok!===="
-else
-    echo "====Build uboot failed!===="
-    exit 1
-fi
diff --git a/rk3326/build_all.sh b/rk3326/build_all.sh
deleted file mode 100755
index 1ee36ab..0000000
--- a/rk3326/build_all.sh
+++ /dev/null
@@ -1,7 +0,0 @@
-#! /bin/bash
-
-./mk-uboot.sh
-./mk-kernel.sh
-./mk-rootfs.sh
-./mk-recovery.sh
-
diff --git a/rk3326/mk-kernel.sh b/rk3326/mk-kernel.sh
deleted file mode 100755
index 11aa865..0000000
--- a/rk3326/mk-kernel.sh
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/bin/bash
-
-#
-# Do a parallel build with multiple jobs, based on the number of CPUs online
-# in this system: 'make -j8' on a 8-CPU system, etc.
-#
-JOBS=$(grep -c ^processor /proc/cpuinfo)
-
-cd kernel && make ARCH=arm64 rk3326_linux_defconfig && make ARCH=arm64 rk3326-evb-linux-lp3-v10.img -j$JOBS && cd -
-
-if [ $? -eq 0 ]; then
-    echo "====Build kernel ok!===="
-else
-    echo "====Build kernel failed!===="
-    exit 1
-fi
diff --git a/rk3326/mk-recovery.sh b/rk3326/mk-recovery.sh
deleted file mode 100755
index 5362a75..0000000
--- a/rk3326/mk-recovery.sh
+++ /dev/null
@@ -1,70 +0,0 @@
-#!/bin/bash
-#buildroot defconfig
-LUNCH=rockchip_rk3326_recovery
-PROJECT_DIR=$(pwd)
-KERNEL_IMAGE=$PROJECT_DIR/kernel/arch/arm64/boot/Image
-KERNEL_DTB=$PROJECT_DIR/kernel/resource.img
-MAKE_KERNEL_SCRIPT=$PROJECT_DIR/device/rockchip/rk3326/mk-kernel.sh
-usage()
-{
-    echo "USAGE: build [-ovj]"
-    echo "-o                    -Generate ota package"
-    echo "-v                    -Set build version name for output image folder"
-    echo "-j                    -Build jobs"
-    exit 1
-}
-
-# check pass argument
-while getopts "ovj:" arg
-do
-    case $arg in
-        o)
-            echo "will build ota package"
-            BUILD_OTA=true
-            ;;
-        v)
-            BUILD_VERSION=$OPTARG
-            ;;
-        j)
-            JOBS=$OPTARG
-            ;;
-        ?)
-            usage ;;
-    esac
-done
-
-TOP_DIR=$(pwd)
-source buildroot/build/envsetup.sh $LUNCH
-
-BUILD_CONFIG=`get_defconfig_name`
-echo "$BUILD_CONFIG"
-
-RAMDISK_IMAGE=buildroot/output/$BUILD_CONFIG/images/rootfs.cpio.gz
-RECOVERY_IMAGE=buildroot/output/$BUILD_CONFIG/images/recovery.img
-# build kernel
-if [ -f $KERNEL_IMAGE ]
-then
-	echo "found kernel image"
-else
-	echo "kernel image doesn't exist, now build kernel image"
-	$MAKE_KERNEL_SCRIPT
-	if [ $? -eq 0 ]; then
-		echo "build kernel done"
-	else
-		exit 1
-	fi
-fi
-
-# build recovery
-echo "====Start build recovery===="
-make
-if [ $? -eq 0 ]; then
-    echo "====Build recovery ok!===="
-else
-    echo "====Build recovery failed!===="
-    exit 1
-fi
-
-echo -n "pack recovery image..."
-$PROJECT_DIR/kernel/scripts/mkbootimg --kernel $KERNEL_IMAGE --ramdisk $RAMDISK_IMAGE --second $KERNEL_DTB -o $RECOVERY_IMAGE
-echo "done."
diff --git a/rk3326/mk-rootfs.sh b/rk3326/mk-rootfs.sh
deleted file mode 100755
index c366ad7..0000000
--- a/rk3326/mk-rootfs.sh
+++ /dev/null
@@ -1,23 +0,0 @@
-#!/bin/bash
-#buildroot defconfig
-LUNCH=rockchip_rk3326
-#build jobs
-JOBS=$(grep -c ^processor /proc/cpuinfo)
-TOP_DIR=$(pwd)
-source buildroot/build/envsetup.sh $LUNCH
-TARGET_PRODUCT=`get_target_board_type $LUNCH`
-echo "$TARGET_PRODUCT"
-export PROJECT_TOP=$TOP_DIR
-BUILD_CONFIG=`get_defconfig_name`
-echo "$BUILD_CONFIG"
-ROOTFS_IMAGE=buildroot/output/$BUILD_CONFIG/images/rootfs.img
-# build rootfs
-echo "====Start build rootfs===="
-make -j$JOBS
-if [ $? -eq 0 ]; then
-    echo "====Build rootfs ok!===="
-else
-    echo "====Build rootfs failed!===="
-    exit 1
-fi
-
diff --git a/rk3326/mk-uboot.sh b/rk3326/mk-uboot.sh
deleted file mode 100755
index 62a20cd..0000000
--- a/rk3326/mk-uboot.sh
+++ /dev/null
@@ -1,10 +0,0 @@
-#!/bin/bash
-
-cd u-boot && ./make.sh evb-rk3326 && cd -
-
-if [ $? -eq 0 ]; then
-    echo "====Build u-boot ok!===="
-else
-    echo "====Build u-boot failed!===="
-    exit 1
-fi
diff --git a/rk3399/build_all.sh b/rk3399/build_all.sh
deleted file mode 100755
index 1ee36ab..0000000
--- a/rk3399/build_all.sh
+++ /dev/null
@@ -1,7 +0,0 @@
-#! /bin/bash
-
-./mk-uboot.sh
-./mk-kernel.sh
-./mk-rootfs.sh
-./mk-recovery.sh
-
diff --git a/rk3399/mk-kernel.sh b/rk3399/mk-kernel.sh
deleted file mode 100755
index c262230..0000000
--- a/rk3399/mk-kernel.sh
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/bin/bash
-
-#
-# Do a parallel build with multiple jobs, based on the number of CPUs online
-# in this system: 'make -j8' on a 8-CPU system, etc.
-#
-JOBS=$(grep -c ^processor /proc/cpuinfo)
-
-cd kernel && make ARCH=arm64 rockchip_linux_defconfig && make ARCH=arm64 rk3399-sapphire-excavator-linux.img -j$JOBS && cd -
-
-if [ $? -eq 0 ]; then
-    echo "====Build kernel ok!===="
-else
-    echo "====Build kernel failed!===="
-    exit 1
-fi
diff --git a/rk3399/mk-recovery.sh b/rk3399/mk-recovery.sh
deleted file mode 100755
index 63e7080..0000000
--- a/rk3399/mk-recovery.sh
+++ /dev/null
@@ -1,70 +0,0 @@
-#!/bin/bash
-#buildroot defconfig
-LUNCH=rockchip_rk3399_recovery
-PROJECT_DIR=$(pwd)
-KERNEL_IMAGE=$PROJECT_DIR/kernel/arch/arm64/boot/Image
-KERNEL_DTB=$PROJECT_DIR/kernel/resource.img
-MAKE_KERNEL_SCRIPT=$PROJECT_DIR/device/rockchip/rk3399/mk-kernel.sh
-usage()
-{
-    echo "USAGE: build [-ovj]"
-    echo "-o                    -Generate ota package"
-    echo "-v                    -Set build version name for output image folder"
-    echo "-j                    -Build jobs"
-    exit 1
-}
-
-# check pass argument
-while getopts "ovj:" arg
-do
-    case $arg in
-        o)
-            echo "will build ota package"
-            BUILD_OTA=true
-            ;;
-        v)
-            BUILD_VERSION=$OPTARG
-            ;;
-        j)
-            JOBS=$OPTARG
-            ;;
-        ?)
-            usage ;;
-    esac
-done
-
-TOP_DIR=$(pwd)
-source buildroot/build/envsetup.sh $LUNCH
-
-BUILD_CONFIG=`get_defconfig_name`
-echo "$BUILD_CONFIG"
-
-RAMDISK_IMAGE=buildroot/output/$BUILD_CONFIG/images/rootfs.cpio.gz
-RECOVERY_IMAGE=buildroot/output/$BUILD_CONFIG/images/recovery.img
-# build kernel
-if [ -f $KERNEL_IMAGE ]
-then
-	echo "found kernel image"
-else
-	echo "kernel image doesn't exist, now build kernel image"
-	$MAKE_KERNEL_SCRIPT
-	if [ $? -eq 0 ]; then
-		echo "build kernel done"
-	else
-		exit 1
-	fi
-fi
-
-# build recovery
-echo "====Start build recovery===="
-make
-if [ $? -eq 0 ]; then
-    echo "====Build recovery ok!===="
-else
-    echo "====Build recovery failed!===="
-    exit 1
-fi
-
-echo -n "pack recovery image..."
-$PROJECT_DIR/kernel/scripts/mkbootimg --kernel $KERNEL_IMAGE --ramdisk $RAMDISK_IMAGE --second $KERNEL_DTB -o $RECOVERY_IMAGE
-echo "done."
diff --git a/rk3399/mk-rootfs.sh b/rk3399/mk-rootfs.sh
deleted file mode 100755
index 15fbf52..0000000
--- a/rk3399/mk-rootfs.sh
+++ /dev/null
@@ -1,23 +0,0 @@
-#!/bin/bash
-#buildroot defconfig
-LUNCH=rockchip_rk3399
-#build jobs
-JOBS=$(grep -c ^processor /proc/cpuinfo)
-TOP_DIR=$(pwd)
-source buildroot/build/envsetup.sh $LUNCH
-TARGET_PRODUCT=`get_target_board_type $LUNCH`
-echo "$TARGET_PRODUCT"
-export PROJECT_TOP=$TOP_DIR
-BUILD_CONFIG=`get_defconfig_name`
-echo "$BUILD_CONFIG"
-ROOTFS_IMAGE=buildroot/output/$BUILD_CONFIG/images/rootfs.img
-# build rootfs
-echo "====Start build rootfs===="
-make -j$JOBS
-if [ $? -eq 0 ]; then
-    echo "====Build rootfs ok!===="
-else
-    echo "====Build rootfs failed!===="
-    exit 1
-fi
-
diff --git a/rk3399/mk-uboot.sh b/rk3399/mk-uboot.sh
deleted file mode 100755
index d224cf6..0000000
--- a/rk3399/mk-uboot.sh
+++ /dev/null
@@ -1,10 +0,0 @@
-#!/bin/bash
-
-cd u-boot && ./make.sh evb-rk3399 && cd -
-
-if [ $? -eq 0 ]; then
-    echo "====Build uboot ok!===="
-else
-    echo "====Build uboot failed!===="
-    exit 1
-fi