diff --git a/flake.lock b/flake.lock
index ef90151..2ac4961 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1717,11 +1717,11 @@
     },
     "nixpkgs_7": {
       "locked": {
-        "lastModified": 1708001613,
-        "narHash": "sha256-woOmAXW05XnqlLn7dKzCkRAEOSOdA/Z2ndVvKcjid94=",
+        "lastModified": 1708151420,
+        "narHash": "sha256-MGT/4aGCWQPQiu6COqJdCj9kSpLPiShgbwpbC38YXC8=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "085589047343aad800c4d305cf7b98e8a3d51ae2",
+        "rev": "6e2f00c83911461438301db0dba5281197fe4b3a",
         "type": "github"
       },
       "original": {
diff --git a/hosts/aristotle/configuration.nix b/hosts/aristotle/configuration.nix
index b913b8f..73439f0 100644
--- a/hosts/aristotle/configuration.nix
+++ b/hosts/aristotle/configuration.nix
@@ -11,16 +11,7 @@
     ../../modules/sops
   ];
 
-  boot = {
-    # Use the extlinux boot loader. (NixOS wants to enable GRUB by default)
-    loader.grub.enable = false;
-    # Enables the generation of /boot/extlinux/extlinux.conf
-    loader.generic-extlinux-compatible.enable = true;
-    kernelPackages = pkgs.linuxKernel.packages.linux_rpi4;
-  };
-
   hardware = {
-    enableRedistributableFirmware = true;
     raspberry-pi."4".poe-hat.enable = true;
   };
 
diff --git a/hosts/aristotle/hardware-configuration.nix b/hosts/aristotle/hardware-configuration.nix
index d4e31a2..87d9446 100644
--- a/hosts/aristotle/hardware-configuration.nix
+++ b/hosts/aristotle/hardware-configuration.nix
@@ -5,18 +5,11 @@
 
 {
   imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];
-  boot = {
-    initrd = {
-      availableKernelModules = [ "usbhid" ];
-      kernelModules = [ ];
-    };
-    kernelModules = [ ];
-    extraModulePackages = [ ];
-  };
 
   fileSystems."/" = {
     device = "/dev/disk/by-label/NIXOS_SD";
     fsType = "ext4";
+    options = [ "noatime" ];
   };
 
   swapDevices = [ ];