diff --git a/hosts/tardis/default.nix b/hosts/tardis/default.nix
index de27268..a0c20c3 100644
--- a/hosts/tardis/default.nix
+++ b/hosts/tardis/default.nix
@@ -4,6 +4,7 @@
   imports =
     [
       ./hardware-configuration.nix
+      ./nvidia.nix
     ];
 
   boot.blacklistedKernelModules = [
diff --git a/hosts/tardis/nvidia.nix b/hosts/tardis/nvidia.nix
index 883467c..1f9a8c5 100644
--- a/hosts/tardis/nvidia.nix
+++ b/hosts/tardis/nvidia.nix
@@ -1,18 +1,7 @@
 { config, ... }:
 
 {
-  nix.settings = {
-    substituters = [ "https://cache.nixos-cuda.org" ];
-    trusted-public-keys = [
-      "cache.nixos-cuda.org:74DUi4Ye579gUqzH4ziL9IyiJBlDpMRn9MBN8oNan9M="
-    ];
-  };
-
-  hardware.graphics = {
-    enable = true;
-  };
-
-  services.xserver.videoDrivers = ["nvidia"];
+  hardware.graphics.enable = true;
 
   hardware.nvidia = {
     modesetting.enable = true;