diff --git a/systems/bob/default.nix b/systems/bob/default.nix
index c4cf75c..b4267f5 100644
--- a/systems/bob/default.nix
+++ b/systems/bob/default.nix
@@ -1,9 +1,9 @@
-{ inputs, ... }:
+{ inputs, pkgs, ... }:
 {
   imports = [
     "${inputs.self}/users/richie"
+    "${inputs.self}/users/math"
     "${inputs.self}/common/global"
-    "${inputs.self}/common/optional/desktop.nix"
     "${inputs.self}/common/optional/docker.nix"
     "${inputs.self}/common/optional/scanner.nix"
     "${inputs.self}/common/optional/steam.nix"
@@ -19,6 +19,11 @@
     ./llms.nix
   ];
 
+  boot = {
+    kernelPackages = pkgs.linuxPackages_6_18;
+    zfs.package = pkgs.zfs_2_4;
+  };
+
   networking = {
     hostName = "bob";
     hostId = "7c678a41";
diff --git a/users/math/systems/bob.nix b/users/math/systems/bob.nix
new file mode 100644
index 0000000..6bbef61
--- /dev/null
+++ b/users/math/systems/bob.nix
@@ -0,0 +1,5 @@
+{
+  imports = [
+    ../home/global.nix
+  ];
+}
diff --git a/users/richie/systems/bob.nix b/users/richie/systems/bob.nix
index b1d9590..6bbef61 100644
--- a/users/richie/systems/bob.nix
+++ b/users/richie/systems/bob.nix
@@ -1,6 +1,5 @@
 {
   imports = [
     ../home/global.nix
-    ../home/gui
   ];
 }