Removed kernel will dissappear from the bootloader menu automatically. Just reboot your system and you will get a new shorter bootloader menu. Bonus. If don’t wish to see memory test menu items in your bootloader menu follow to this hint: –go to the/etc/grub.dfolder. Find20_memtest86+...
Unless you have a totally fresh install ofUbuntu, you have probably noticed that each time you boot up, theGRUBboot menu lists a bunch of previous Linux kernels which you can boot into. While this can occasionally come in handy – like if you can’t boot into the ...