fix

host/roam/default.nix

@@ -21,34 +21,10 @@ _: {
     };
   };
 
-  nix = {
-    buildMachines = [
-      {
-        hostName = "noravm";
-        sshUser = "nixremote";
-        system = "x86_64-linux";
-        protocol = "ssh-ng";
-        maxJobs = 10;
-        speedFactor = 2;
-        supportedFeatures = [
-          "nixos-test"
-          "benchmark"
-          "big-parallel"
-          "kvm"
-        ];
-        mandatoryFeatures = [ ];
-      }
-    ];
-    distributedBuilds = true;
-    extraOptions = ''
-      	  builders-use-substitutes = true
-      	'';
-
-    gc = {
-      automatic = true;
-      dates = "weekly";
-      options = "--delete-older-than 15d";
-    };
+  nix.gc = {
+    automatic = true;
+    dates = "weekly";
+    options = "--delete-older-than 15d";
   };
 
   # ====== DON'T CHANGE ======