> All in all, fixing all of this makes the closure size to drop below 1GiB > which is already a good first step. > > I'll try to provide patches soon. I also discovered that enabling CONFIG_MODULE_COMPRESS, the size of linux-libre is reduced by 63%. This makes the image way lighter. --8<---------------cut here---------------start------------->8--- /gnu/store/6p01ki4iwdxp2bmlr2n27hfry3hp7yac-guix-1.1.0-6.da1b79f 477.4 278.3 29.5% /gnu/store/158nawzghm4lwm7q7ah8zhh7624fw7zb-locale-2.31 91.9 91.9 9.7% /gnu/store/la3bzdd032892xrm6sq5zz64rzjhp1yg-linux-libre-5.4.44 79.7 79.7 8.4% ... total: 943.2 MiB --8<---------------cut here---------------end--------------->8--- Now, the big source of improvement could be Guix itself (278MiB without dependencies). I think we can go further! Thanks, Mathieu