{ config, ... }: { boot = { bootspec.enable = false; initrd.kernelModules = config.boot.kernelModules; kernel.enable = false; # No kernel or modules in the rootfs modprobeConfig.enable = false; }; system.build = { inherit (config.boot.kernelPackages) kernel; }; system.modulesTree = [ config.boot.kernelPackages.kernel ] ++ config.boot.extraModulePackages; }