My /boot/efi is at 96% full and getting a warning I need to examine that directory.



root@system76-pc:/boot/efi/EFI# df -kh /boot/efi
/dev/nvme0n1p1 487M 464M 23M 96% /boot/efi
root@system76-pc:/boot/efi/EFI# du -skh *
100K BOOT
306M Pop_OS-10e07064-28b2-44f0-bfff-74712952d5f6
139M Recovery-E172-484E
100K systemd
root@system76-pc:/boot/efi/EFI# cd Pop_OS-10e07064-28b2-44f0-bfff-74712952d5f6/
root@system76-pc:/boot/efi/EFI/Pop_OS-10e07064-28b2-44f0-bfff-74712952d5f6# du -skh *
4.0K cmdline
152M initrd.img
133M initrd.img-previous
11M vmlinuz.efi
11M vmlinuz-previous.efi
root@system76-pc:/boot/efi/EFI/Pop_OS-10e07064-28b2-44f0-bfff-74712952d5f6# lsblk
nvme0n1 259:0 0 465.8G 0 disk
├─nvme0n1p1 259:1 0 487M 0 part /boot/efi
├─nvme0n1p2 259:2 0 3.8G 0 part /recovery
└─nvme0n1p3 259:3 0 461.5G 0 part /
Is it safe to remove these files or is there any other way to clear the space in /boot/efi?