linux remove kernel

How to remove kernel

• Remove the following entries.

/boot/vmlinuz-[version]
/boot/initrd.img-[version]
/boot/System.map-[version]
/boot/config-[version]
/lib/modules/[version]/*
/var/lib/initramfs_tools/[version]

• Update the grub configuration.

update-grub

Reference

• How can I remove compiled kernel
  • https://askubuntu.com/questions/594443/how-can-i-remove-compiled-kernel
• Kernel/Removal
  • https://wiki.gentoo.org/wiki/Kernel/Removal