Comment 33 for bug 1678187

Hayden Clark, so you use "oem" kernels. If you do not need "generic" kernels, you can save a lot of space in /boot by deleting all "generic" kernels. Probably the easiest way to do it in your case is "sudo apt autoremove linux-generic-hwe-20.04". Check that it does not remove any "oem" kernels. If that does not work, you can use "sudo linux-purge --choose --optimize" and choose all "generic" kernels for purging.