diff --git a/nix/configuration.nix b/nix/configuration.nix
index 1d94167..8b8fb58 100644
--- a/nix/configuration.nix
+++ b/nix/configuration.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+{ config, lib, pkgs, inputs, ... }:
 
 {
   imports =
@@ -15,8 +15,14 @@
     "azure" = { };
   };
 
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
+  boot = {
+    loader = {
+      systemd-boot.enable = true;
+      efi.canTouchEfiVariables = true;
+    };
+    cleanTmpDir = true;
+    kernelPackages = pkgs.linuxPackages_latest;
+  };
 
   networking = {
     hostName = "ytnix";
@@ -301,4 +307,13 @@
       };
     };
   };
+
+  nix.registry.nixpkgs.flake = inputs.nixpkgs;
+
+  nix.gc = {
+    automatic = true;
+    dates = "19:00";
+    persistent = true;
+    options = "--delete-older-than 60d";
+  };
 }
diff --git a/nix/flake.lock b/nix/flake.lock
index cf25dcd..2f5a6dc 100644
--- a/nix/flake.lock
+++ b/nix/flake.lock
@@ -28,11 +28,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1732186149,
-        "narHash": "sha256-N9JGWe/T8BC0Tss2Cv30plvZUYoiRmykP7ZdY2on2b0=",
+        "lastModified": 1732575825,
+        "narHash": "sha256-xtt95+c7OUMoqZf4OvA/7AemiH3aVuWHQbErYQoPwFk=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "53c853fb1a7e4f25f68805ee25c83d5de18dc699",
+        "rev": "3433ea14fbd9e6671d0ff0dd45ed15ee4c156ffa",
         "type": "github"
       },
       "original": {
diff --git a/nix/flake.nix b/nix/flake.nix
index 56714d9..45054a9 100644
--- a/nix/flake.nix
+++ b/nix/flake.nix
@@ -9,12 +9,13 @@
     };
   };
 
-  outputs = { self, nixpkgs, sops-nix }:
+  outputs = { self, nixpkgs, sops-nix, ... }@inputs:
   let
     lib = nixpkgs.lib;
   in {
     nixosConfigurations = {
       ytnix = lib.nixosSystem {
+        specialArgs = { inherit inputs; };
         system = "x86_64-linux";
         modules = [
           ./configuration.nix
diff --git a/nix/hardware-configuration.nix b/nix/hardware-configuration.nix
index 3277d8c..60d0719 100644
--- a/nix/hardware-configuration.nix
+++ b/nix/hardware-configuration.nix
@@ -4,10 +4,6 @@
 { config, lib, pkgs, modulesPath, ... }:
 
 {
-  imports =
-    [ (modulesPath + "/installer/scan/not-detected.nix")
-    ];
-
   boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "nvme" "usb_storage" "sd_mod" ];
   boot.initrd.kernelModules = [ ];
   boot.kernelModules = [ "kvm-intel" ];