diff --git a/configuration.nix b/configuration.nix
index b0cf464..dc38f4a 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -1,9 +1,11 @@
 { config, lib, pkgs, ... }:
 
+with pkgs;
+
 {
   # Kernel configuration
   boot = {
-    kernelPackages = pkgs.linuxPackages_zen;
+    kernelPackages = linuxPackages_zen;
     kernelParams =
       [ "zfs.zfs_arc_max=1073741824" "zfs.zfs_arc_meta_limit_percent=90" ];
     kernelModules = [ "i915" "acpi_call" "kvm-intel" ];
@@ -21,11 +23,7 @@
     lib.mkDefault config.hardware.enableRedistributableFirmware;
   services.fwupd.enable = true;
 
-  hardware.opengl.extraPackages = with pkgs; [
-    vaapiIntel
-    vaapiVdpau
-    libvdpau-va-gl
-  ];
+  hardware.opengl.extraPackages = [ vaapiIntel vaapiVdpau libvdpau-va-gl ];
 
   # Bootloader configuration
   boot.loader = {
@@ -52,7 +50,7 @@
       gc-keep-outputs = true
       experimental-features = nix-command flakes
     '';
-    package = pkgs.nixUnstable;
+    package = nixUnstable;
   };
 
   # Clean tmp directory on shutdown
@@ -85,11 +83,11 @@
     isNormalUser = true;
     home = "/home/coolneng";
     extraGroups = [ "wheel" "video" "audio" "libvirtd" "lp" ];
-    shell = pkgs.fish;
+    shell = fish;
   };
 
   # Set shell for root user
-  users.users.root.shell = pkgs.fish;
+  users.users.root.shell = fish;
 
   # Specify secrets
   age = {