diff --git a/nix/home/packages.nix b/nix/home/packages.nix
index 3563604..8b7065a 100644
--- a/nix/home/packages.nix
+++ b/nix/home/packages.nix
@@ -15,7 +15,6 @@ let
       act
       bat
       bitwarden-cli
-      cachix
       cloudflared
       delta
       eza
@@ -29,7 +28,6 @@ let
       kubectl
       kubelogin-oidc
       mosh
-      nixd
       nixpkgs-fmt
       pandoc
       ripgrep
diff --git a/nix/overlays/lix.nix b/nix/overlays/lix.nix
index f44f23b..bde29b6 100644
--- a/nix/overlays/lix.nix
+++ b/nix/overlays/lix.nix
@@ -3,10 +3,6 @@
     postPatch = (oldAttrs.postPatch or "") + ''
       substituteInPlace src/libmain/shared.cc \
         --replace-fail "(Lix, like Nix)" "but for lesbians"
-    '';
-
-    # WARNING: This greatly assumes that lix will never merge a CL that breaks
-    # the tests. But I choose to disable them anyway because the build time is faster
-    doCheck = false;
+      '';
   });
 })
diff --git a/nix/system/default.nix b/nix/system/default.nix
index 018abe3..b5d51ba 100644
--- a/nix/system/default.nix
+++ b/nix/system/default.nix
@@ -3,12 +3,6 @@
 {
   imports = importAll [] ./.;
 
-  networking = {
-    computerName = "Alyxia's MacBook Pro";
-    hostName = "alymac";
-    localHostName = "alymac";
-  };
-
   users.users.alyxia = {
     name = "alyxia";
     home = "/Users/alyxia";
diff --git a/nix/system/nix.nix b/nix/system/nix.nix
index 43f97f2..5bacbf3 100644
--- a/nix/system/nix.nix
+++ b/nix/system/nix.nix
@@ -1,85 +1,19 @@
-{ pkgs, ... }:
+{ ... }:
 
 {
   services.nix-daemon.enable = true;
 
   nix = {
-    settings = {
-      # enable flakes and the `nix` command
-      experimental-features = [ "nix-command" "flakes" ];
-
-      # disable the flake registry since it worsens perf
-      flake-registry = pkgs.writers.writeJSON "flakes-empty.json" {
-        flakes = [ ];
-        version = 2;
-      };
-
-      # "apply the free optimisations"
-      auto-optimise-store = true;
-
-      # we need to create some trusted and allwed users so that we can use 
-      # some features like substituters
-      allowed-users = [
-        "@wheel" # allow sudo users to mark the following values as trusted
-        "root"
-        "alyxia"
-      ];
-      trusted-users = [
-        "@wheel" # allow sudo users to manage the nix store
-        "root"
-        "alyxia"
-      ];
-
-      # enable some extra darwin platforms
-      extra-platforms = [
-        "aarch64-darwin"
-        "x86-64-darwin"
-      ];
-
-      # logging stuff
-      log-lines = 50;
-      warn-dirty = false;
-
-      # continue building derivations even if one failed
-      keep-going = true;
-
-      # the more connections the better
-      http-connections = 0;
-
-      # whether to accept nix configuration from a flake without prompting. why the
-      # hell would you enable this?
-      accept-flake-config = false;
-
-      # caching setup
-      substituters = [
-        "https://cache.nixos.org/"
-        "https://nix-community.cachix.org"
-        "https://nixpkgs-unfree.cachix.org"
-        "https://lexisother.cachix.org"
-      ];
-      trusted-public-keys = [
-        "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
-        "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
-        "nixpkgs-unfree.cachix.org-1:hqvoInulhbV4nJ9yJOEr+4wxhDV4xq2d1DK7S6Nj6rs="
-        "lexisother.cachix.org-1:/JtVjLzEue9SHlXK0O4ogtZpRpzeLqTwfZpfTIN/N2s="
-      ];
-    };
+    settings.experimental-features = [ "nix-command" "flakes" ];
     gc = {
       automatic = true;
-      options = "--delete-older-than 3d";
-      interval = {
-        Hour = 3;
-        Minute = 15;
-      };
+      options = "--delete-older-than 8d";
     };
   };
 
   nixpkgs = {
     config = {
       allowUnfree = true;
-      allowUnfreePredicate = _: true;
-
-      allowBroken = false;
       permittedInsecurePackages = [ "python-2.7.18.8" ];
     };
   };
diff --git a/nix/system/preferences.nix b/nix/system/preferences.nix
deleted file mode 100644
index 7d52f4c..0000000
--- a/nix/system/preferences.nix
+++ /dev/null
@@ -1,56 +0,0 @@
-{ ... }:
-
-{
-  system.defaults = {
-    ActivityMonitor = {
-      IconType = 5;
-      OpenMainWindow = true;
-      SortColumn = "CPUUsage";
-      SortDirection = 0;
-    };
-
-    NSGlobalDomain = {
-      NSDocumentSaveNewDocumentsToCloud = false;
-      NSNavPanelExpandedStateForSaveMode = true;
-      NSNavPanelExpandedStateForSaveMode2 = true;
-
-      KeyRepeat = 1;
-      InitialKeyRepeat = 10;
-    };
-
-    LaunchServices.LSQuarantine = false;
-
-    finder = {
-      AppleShowAllFiles = true;
-      AppleShowAllExtensions = true;
-      ShowPathbar = true;
-      _FXShowPosixPathInTitle = true;
-    };
-
-    universalaccess = {
-      closeViewScrollWheelToggle = true;
-    };
-
-    CustomSystemPreferences = {
-      "com.apple.desktopservices" = {
-        # Don't create .DS_STORE files on network or external stores
-        DSDontWriteNetworkStores = true;
-        DSDontWriteUSBStores = true;
-      };
-      "com.apple.appstore" = {
-        WebKitDeveloperExtras = true;
-        ShowDebugMenu = true;
-      };
-      # Exists in system.defaults, but it's just one option...
-      "com.apple.SoftwareUpdate" = {
-        AutomaticCheckEnabled = true;
-        ScheduleFrequency = 1;
-        AutomaticDownload = 1;
-        CriticalUpdateInstall = 1;
-      };
-      "com.apple.commerce".AutoUpdate = true;
-
-      "org.x.X11".enable_test_extensions = true;
-    };
-  };
-}