only one channel

modules/platform/mkhost.nix

@@ -4,10 +4,6 @@
       inherit system;
       specialArgs = {
         inherit inputs host system;
-        pkgs-unstable = import inputs.nixpkgs-unstable {
-          inherit system;
-          config.allowUnfree = true;
-        };
       };
       modules = [ inputs.self.nixosModules.${host} ] ++ extraModules;
     };