diff --git a/hosts/nixos/system/os.nix b/hosts/nixos/system/os.nix
index 575a20e..decc8fe 100755
--- a/hosts/nixos/system/os.nix
+++ b/hosts/nixos/system/os.nix
@@ -1,4 +1,4 @@
-{ pkgs, ... }:
+{ ... }:
 
 {
   # System services
@@ -30,7 +30,6 @@
   os.virtualisation.podman.gtk = true;
 
   # Terminal
-  os.apps.games.steam = true;
   programs.ssh.enableAskPassword = false; # No-window git push fix
 
   # System version
diff --git a/modules/home/nixos/apps/firefox.nix b/modules/home/nixos/apps/firefox.nix
index 72fec53..01f1941 100644
--- a/modules/home/nixos/apps/firefox.nix
+++ b/modules/home/nixos/apps/firefox.nix
@@ -43,7 +43,7 @@ in
         settings = mkMerge [
           {
             # Vertical tabs
-            "browser.nova.enabled" = true;
+            "browser.nova.enabled" = false;
             "sidebar.revamp" = true;
             "sidebar.verticalTabs" = true;
             "sidebar.new-sidebar.has-used" = true;