diff --git a/modules/nix/settings.nix b/modules/nix/settings.nix
index 3980e51..fffe439 100644
--- a/modules/nix/settings.nix
+++ b/modules/nix/settings.nix
@@ -1,18 +1,25 @@
-{lib,  inputs, config, pkgsVersion, ... }:
+{ lib, inputs, config, pkgsVersion, ... }:
 with lib;
-let
-  cfg = config.custom.nix.settings;
-in
-{
+let cfg = config.custom.nix.settings;
+in {
   options.custom.nix.settings = {
     enable = mkEnableOption "Enables various nix settings";
   };
-  
+
   config = mkIf cfg.enable {
     nix.optimise.automatic = true;
     nix.settings.experimental-features = [ "nix-command" "flakes" ];
     nix.registry.nixpkgs.flake = pkgsVersion;
-    nix.nixPath = ["nixpkgs=flake:nixpkgs"];
+    nix.gc = {
+      automatic = true;
+      dates = "weekly";
+      options = "--delete-older-than 30d";
+    };
+    nix.extraOptions = ''
+      min-free = ${toString (100 * 1024 * 1024)}
+      max-free = ${toString (1024 * 1024 * 1024)}
+    '';
+    nix.nixPath = [ "nixpkgs=flake:nixpkgs" ];
     nixpkgs.config.allowUnfree = true;
     ##home-manager.users.${config.mainUser.name}.home.sessionVariables = {
     ##  NIX_PATH = "nixpkgs=flake:nixpkgs$\{NIX_PATH:+:$NIX_PATH}";