diff --git a/docs/uboot.md b/docs/uboot.md
index fdbe140..4b4be07 100644
--- a/docs/uboot.md
+++ b/docs/uboot.md
@@ -6,26 +6,9 @@ cd  u-boot-v2021.04/
 make distclean
 make rpi_4_defconfig
 make -j X
-```
-
-#### vim boot.scr （NOT NEEDED ANYMORE）
-
-```
-fdt addr ${fdt_addr} && fdt get value bootargs /chosen bootargs
-fatload mmc 0:1 ${kernel_addr_r} kernel8.img
-booti ${kernel_addr_r} - ${fdt_addr}
-```
-
-```
-./tools/mkimage -A arm64 -T script -C none -n "Boot script" -d boot.scr boot.scr.uimg
 cp  u-boot.bin   /boot/
-cp  boot.scr.uimg  /boot/
-cd /boot/
-vim config.txt
 ```
 
-----
-
 #### config.txt
 
 **add:**