diff --git a/hosts/callisto/hardware-configuration.nix.old b/hosts/callisto/hardware-configuration.nix.old
deleted file mode 100755
index c812f7a..0000000
--- a/hosts/callisto/hardware-configuration.nix.old
+++ /dev/null
@@ -1,39 +0,0 @@
-# Do not modify this file!  It was generated by ‘nixos-generate-config’
-# and may be overwritten by future invocations.  Please make changes
-# to /etc/nixos/configuration.nix instead.
-{
-  config,
-  lib,
-  pkgs,
-  modulesPath,
-  ...
-}: {
-  imports = [(modulesPath + "/installer/scan/not-detected.nix")];
-
-  boot.initrd.availableKernelModules = ["usb_storage" "sdhci_pci"];
-  boot.initrd.kernelModules = [];
-  boot.kernelModules = [];
-  boot.extraModulePackages = [];
-
-  fileSystems."/" = {
-    device = "/dev/disk/by-uuid/bc88058e-6e3a-4987-b78e-e19cb5611608";
-    fsType = "ext4";
-  };
-
-  fileSystems."/boot" = {
-    device = "/dev/disk/by-uuid/852F-07F1";
-    fsType = "vfat";
-    options = ["fmask=0022" "dmask=0022"];
-  };
-
-  swapDevices = [];
-
-  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
-  # (the default) this is the recommended approach. When using systemd-networkd it's
-  # still possible to use this option, but it's recommended to use it in conjunction
-  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
-  networking.useDHCP = lib.mkDefault true;
-  # networking.interfaces.wlan0.useDHCP = lib.mkDefault true;
-
-  nixpkgs.hostPlatform = lib.mkDefault "aarch64-linux";
-}