apt-purge 5.13

mkaro@asus:~$ sudo apt purge linux-headers-5.13.0-39-generic linux-image-5.13.0-39-generic linux-image-unsigned-5.13.0-39-generic
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package 'linux-image-unsigned-5.13.0-39-generic' is not installed, so not removed
The following packages were automatically installed and are no longer required:
  amd64-microcode intel-microcode iucode-tool linux-hwe-5.13-headers-5.13.0-39 nvidia-kernel-common-470 thermald
Use 'sudo apt autoremove' to remove them.
The following packages will be REMOVED:
  linux-headers-5.13.0-39-generic* linux-image-5.13.0-39-generic* linux-modules-5.13.0-39-generic* linux-modules-extra-5.13.0-39-generic*
  linux-modules-nvidia-470-5.13.0-39-generic* linux-signatures-nvidia-5.13.0-39-generic*
0 upgraded, 0 newly installed, 6 to remove and 0 not upgraded.
After this operation, 432 MB disk space will be freed.
Do you want to continue? [Y/n] Y
(Reading database ... 260071 files and directories currently installed.)
Removing linux-headers-5.13.0-39-generic (5.13.0-39.44~20.04.1) ...
dpkg: warning: while removing linux-headers-5.13.0-39-generic, directory '/usr/src/linux-headers-5.13.0-39-generic/include/config' not empty so not removed
Removing linux-modules-nvidia-470-5.13.0-39-generic (5.13.0-39.44~20.04.1) ...
linux-image-nvidia-5.13.0-39-generic: removing .ko files
Removing linux-signatures-nvidia-5.13.0-39-generic (5.13.0-39.44~20.04.1) ...
Removing linux-modules-extra-5.13.0-39-generic (5.13.0-39.44~20.04.1) ...
Removing linux-modules-5.13.0-39-generic (5.13.0-39.44~20.04.1) ...
Removing linux-image-5.13.0-39-generic (5.13.0-39.44~20.04.1) ...
/etc/kernel/prerm.d/dkms:
removed '/boot/initrd.img-5.13.0-39-generic.old-dkms'
I: /boot/vmlinuz.old is now a symlink to vmlinuz-5.8.0-49-generic
I: /boot/initrd.img.old is now a symlink to initrd.img-5.8.0-49-generic
I: /boot/vmlinuz is now a symlink to vmlinuz-5.8.0-53-generic
I: /boot/initrd.img is now a symlink to initrd.img-5.8.0-53-generic
/etc/kernel/postrm.d/initramfs-tools:
update-initramfs: Deleting /boot/initrd.img-5.13.0-39-generic
/etc/kernel/postrm.d/zz-update-grub:
Sourcing file `/etc/default/grub'
Sourcing file `/etc/default/grub.d/init-select.cfg'
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-5.8.0-53-generic
Found initrd image: /boot/initrd.img-5.8.0-53-generic
Found linux image: /boot/vmlinuz-5.8.0-49-generic
Found initrd image: /boot/initrd.img-5.8.0-49-generic
Found linux image: /boot/vmlinuz-5.8.0-43-generic
Found initrd image: /boot/initrd.img-5.8.0-43-generic
Found Windows Boot Manager on /dev/sda1@/EFI/Microsoft/Boot/bootmgfw.efi
Adding boot menu entry for UEFI Firmware Settings
done
(Reading database ... 243526 files and directories currently installed.)
Purging configuration files for linux-image-5.13.0-39-generic (5.13.0-39.44~20.04.1) ...
rmdir: failed to remove '/lib/modules/5.13.0-39-generic': Directory not empty
Purging configuration files for linux-modules-5.13.0-39-generic (5.13.0-39.44~20.04.1) ...
Purging configuration files for linux-modules-nvidia-470-5.13.0-39-generic (5.13.0-39.44~20.04.1) ...
Purging configuration files for linux-modules-extra-5.13.0-39-generic (5.13.0-39.44~20.04.1) ...