diff --git a/nixos/common.nix b/nixos/common.nix
index 54f486d4..f5d9e193 100644
--- a/nixos/common.nix
+++ b/nixos/common.nix
@@ -25,7 +25,7 @@ in
       };
 
       environment.systemPackages = with pkgs; [
-        wget git zsh gnupg curl tmux python36Packages.glances vim htop atop firefox home-manager
+        wget git zsh gnupg curl tmux python36Packages.glances vim htop atop firefox home-manager alacritty
       ];
 
       i18n.defaultLocale = "en_GB.UTF-8";
@@ -66,10 +66,6 @@ in
           timerConfig = { OnCalendar = "hourly"; };
         };
 
-        gnome3 = {
-          chrome-gnome-shell.enable = true;
-          gnome-keyring.enable = true;
-        };
         xserver = {
           enable = true;
           layout = "pl";
@@ -79,14 +75,8 @@ in
             clickMethod = "clickfinger";
           };
 
-          desktopManager = {
-            gnome3 = {
-              enable = true;
-            };
-          };
-          displayManager.gdm= {
+          displayManager.lightdm = {
             enable = true;
-            wayland = false;
           };
         };
       };
diff --git a/nixos/home.nix b/nixos/home.nix
index 7a9539ac..f0dab734 100644
--- a/nixos/home.nix
+++ b/nixos/home.nix
@@ -26,10 +26,14 @@ in
       yubico-piv-tool yubikey-personalization yubikey-personalization-gui yubikey-manager-qt
       mono calcurse calibre fbreader file python37Packages.binwalk-full
     ];
+    home.sessionVariables = {
+      TERMINAL="alacritty";
+    };
     xsession = {
       enable = true;
       windowManager.i3 = {
         enable = true;
+        config.modifier = "Mod4";
       };
     };
     imports = [