diff --git a/images/boot.scr b/images/boot.scr
index 7d581c4..6d85783 100644
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diff --git a/images/idbloader.img b/images/idbloader.img
deleted file mode 100644
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diff --git a/images/idbloader_333MHz.img b/images/idbloader_333MHz.img
deleted file mode 100644
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diff --git a/images/trust.img b/images/trust.img
deleted file mode 100644
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diff --git a/images/u-boot-dtb.img b/images/u-boot-dtb.img
deleted file mode 100644
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diff --git a/images/u-boot.img b/images/u-boot.img
deleted file mode 100644
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diff --git a/packages/uboot-rock64-2019.07-1-aarch64.pkg.tar.xz b/packages/uboot-rock64-2019.07-1-aarch64.pkg.tar.xz
deleted file mode 100644
index e0d2c45..0000000
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diff --git a/packages/uboot-rock64-2020.01-1-aarch64.pkg.tar.xz b/packages/uboot-rock64-2020.01-1-aarch64.pkg.tar.xz
deleted file mode 100644
index 03ce2b8..0000000
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diff --git a/uboot-rock64/PKGBUILD b/uboot-rock64/PKGBUILD
index 2fb12c2..f6fd64e 100644
--- a/uboot-rock64/PKGBUILD
+++ b/uboot-rock64/PKGBUILD
@@ -9,28 +9,25 @@ arch=('aarch64')
 url='http://www.denx.de/wiki/U-Boot/WebHome'
 license=('GPL')
 backup=('boot/boot.txt' 'boot/boot.scr')
-makedepends=('bc' 'git' 'rockchip-tools' 'python' 'swig' 'dtc')
+makedepends=('bc' 'git' 'python' 'swig' 'dtc')
 install=${pkgname}.install
 _commit_rkbin=15a3e065a49ba7981945d725207618e92ebe8ebb
 source=("ftp://ftp.denx.de/pub/u-boot/u-boot-${pkgver/rc/-rc}.tar.bz2"
         "git+https://github.com/rockchip-linux/rkbin.git#commit=$_commit_rkbin"
         'boot.txt'
-        'mkscr'
-        'sdram_rk3328.c'
-        'btrfs_extentio.patch')
+        'mkscr')
 md5sums=('b6b2e0787b6874e6b57da0a065a84f5a'
          'SKIP'
          '5f1089c471f39b303bccbb9e1fc196f7'
-         '021623a04afd29ac3f368977140cfbfd'
-         '46561b6f761dc0ead0d32145bd2c97ed'
-         '51ff4b7c8cf8833df2f208fac7fafde5')
+         '021623a04afd29ac3f368977140cfbfd')
 
 prepare() {
-  cp sdram_rk3328.c ${srcdir}/u-boot-${pkgver/rc/-rc}/drivers/ram/rockchip/sdram_rk3328.c
   cd ${srcdir}/u-boot-${pkgver/rc/-rc}
   cp ../rkbin/bin/rk33/rk322xh_bl31_v1.43.elf ./bl31.elf
   cp ../rkbin/bin/rk33/rk322xh_bl32_v1.54.bin ./bl32.bin
 
+  sed -i 's/lpddr3-1600/lpddr3-666/g' arch/arm/dts/rk3328-rock64-u-boot.dtsi
+
   cd ${srcdir}/u-boot-${pkgver/rc/-rc}/configs
   echo 'CONFIG_CMD_BTRFS=y' >> rock64-rk3328_defconfig
   echo 'CONFIG_FS_BTRFS=y' >> rock64-rk3328_defconfig