diff --git a/nixos-configurations/smolboi.nix b/nixos-configurations/smolboi.nix
index 132e6b2..80bdb71 100644
--- a/nixos-configurations/smolboi.nix
+++ b/nixos-configurations/smolboi.nix
@@ -54,7 +54,6 @@ in
     ];
   };
 
-  virtualisation.libvirtd.enable = true;
   networking = {
     hostName = "smolboi"; # Define your hostname.
     networkmanager.enable = true; # Easiest to use and most distros use this by default.
@@ -166,7 +165,6 @@ in
           musescore
           protontricks
           protonup-qt
-          virt-manager
           ;
         inherit (pkgs.jetbrains) idea-community;
       }
diff --git a/nixos-modules/common/common.nix b/nixos-modules/common/common.nix
index fd3c3a2..cd002fd 100644
--- a/nixos-modules/common/common.nix
+++ b/nixos-modules/common/common.nix
@@ -5,4 +5,7 @@
     enable = true;
     defaultEditor = true;
   };
+  boot.kernel.sysctl = {
+    "net.core.default_qdisc" = "cake";
+  };
 }