diff --git a/configuration.nix b/configuration.nix
index e3e78b9..37c6231 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -1,14 +1,32 @@
-{ pkgs, config, ... }: {
+{ pkgs, config, lib, modulesPath, ... }: {
   imports = [
-    ./hardware-configuration.nix
+    (modulesPath + "/installer/scan/not-detected.nix")
     ./modules/disk-config.nix
     ./modules/agenix.nix
     ./modules/custom.nix
   ];
 
-  boot.loader = {
-    systemd-boot.enable = true;
-    efi.canTouchEfiVariables = true;
+  boot = {
+    kernelModules = [ "kvm-intel" ];
+    extraModulePackages = [ ];
+
+    initrd = {
+      availableKernelModules = [
+        "ahci"
+        "xhci_pci"
+        "nvme"
+        "usbhid"
+        "usb_storage"
+        "sd_mod"
+        "sdhci_pci"
+      ];
+      kernelModules = [ ];
+    };
+
+    loader = {
+      systemd-boot.enable = true;
+      efi.canTouchEfiVariables = true;
+    };
   };
 
   time.timeZone = "Europe/Amsterdam";
@@ -88,7 +106,10 @@
     };
   };
 
-  nixpkgs.config.allowUnfree = true;
+  nixpkgs = {
+    config.allowUnfree = true;
+    hostPlatform = "x86_64-linux";
+  };
 
   environment.systemPackages = with pkgs; [
     neofetch
@@ -102,12 +123,15 @@
     file
   ];
 
-  networking.firewall.enable = false;
+  networking = {
+    firewall.enable = false;
+    useDHCP = false;
 
-  networking.nftables = {
-    enable = true;
-    checkRuleset = true;
-    ruleset = builtins.readFile ./nftables.conf;
+    nftables = {
+      enable = true;
+      checkRuleset = true;
+      ruleset = builtins.readFile ./nftables.conf;
+    };
   };
 
   system.stateVersion = "23.05";
@@ -158,4 +182,7 @@
   };
 
   virtualisation.libvirtd.enable = true;
+
+  hardware.cpu.intel.updateMicrocode =
+    lib.mkDefault config.hardware.enableRedistributableFirmware;
 }
diff --git a/flake.nix b/flake.nix
index 566dce8..a3151c5 100644
--- a/flake.nix
+++ b/flake.nix
@@ -51,9 +51,7 @@
           disko.nixosModules.disko
           agenix.nixosModules.default
           ./configuration.nix
-          {
-            networking.hostName = machine.name;
-          }
+          { networking.hostName = machine.name; }
         ];
       });
 
diff --git a/hardware-configuration.nix b/hardware-configuration.nix
deleted file mode 100644
index 056148a..0000000
--- a/hardware-configuration.nix
+++ /dev/null
@@ -1,16 +0,0 @@
-# TODO: merge with configuration.nix
-{ config, lib, modulesPath, ... }: {
-  imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];
-
-  boot.initrd.availableKernelModules =
-    [ "ahci" "xhci_pci" "nvme" "usbhid" "usb_storage" "sd_mod" "sdhci_pci" ];
-  boot.initrd.kernelModules = [ ];
-  boot.kernelModules = [ "kvm-intel" ];
-  boot.extraModulePackages = [ ];
-
-  networking.useDHCP = false;
-
-  nixpkgs.hostPlatform = "x86_64-linux";
-  hardware.cpu.intel.updateMicrocode =
-    lib.mkDefault config.hardware.enableRedistributableFirmware;
-}