diff --git a/modules/core/services.nix b/modules/core/services.nix
index 391e45e..a6f02ec 100644
--- a/modules/core/services.nix
+++ b/modules/core/services.nix
@@ -3,8 +3,7 @@
     gvfs.enable = true;
     gnome.gnome-keyring.enable = true;
     dbus.enable = true;
-    fstrim.enable = true;
-    flatpak.enable = true;
+        flatpak.enable = true;
     printing.enable = true;
     blueman.enable = true;
     avahi = {
@@ -13,8 +12,4 @@
       openFirewall = true;
     };
   };
-  services.logind.extraConfig = ''
-    # don’t shutdown when power button is short-pressed
-    HandlePowerKey=ignore
-  '';
-}
+  }
diff --git a/modules/core/system.nix b/modules/core/system.nix
index bf617a9..b5acb45 100644
--- a/modules/core/system.nix
+++ b/modules/core/system.nix
@@ -5,13 +5,10 @@
   inputs,
   ...
 }: {
-  # imports = [ inputs.nix-gaming.nixosModules.default ];
   nix = {
     settings = {
       auto-optimise-store = true;
       experimental-features = ["nix-command" "flakes"];
-      substituters = ["https://nix-gaming.cachix.org"];
-      trusted-public-keys = ["nix-gaming.cachix.org-1:nbjlureqMbRAxR1gJ/f3hxemL9svXaZF/Ees8vCUUs4="];
     };
     gc = {
       automatic = true;
@@ -19,27 +16,15 @@
       options = "--delete-older-than 7d";
     };
   };
-  nixpkgs = {
-    overlays = [
-      inputs.nur.overlays.default
-    ];
-  };
 
   environment.systemPackages = with pkgs; [
     wget
+    curl
     git
-    ddcutil
   ];
 
-  # For ddcutil brightness control
-  boot.kernelModules = ["i2c-dev"];
-  services.udev.extraRules = ''
-    KERNEL=="i2c-[0-9]*", GROUP="i2c", MODE="0660"
-  '';
-
   time.timeZone = "Europe/Madrid";
   console.keyMap = "es";
   i18n.defaultLocale = "en_US.UTF-8";
-  nixpkgs.config.allowUnfree = true;
   system.stateVersion = "24.05";
 }
diff --git a/modules/home/gtk.nix b/modules/home/gtk.nix
index e586066..2d9e351 100644
--- a/modules/home/gtk.nix
+++ b/modules/home/gtk.nix
@@ -4,14 +4,6 @@
   ...
 }: {
   fonts.fontconfig.enable = true;
-  home.packages = with pkgs; [
-    nerd-fonts.jetbrains-mono
-    nerd-fonts.noto
-
-    twemoji-color-font
-    noto-fonts-emoji
-    roboto
-  ];
 
   gtk = {
     enable = true;