diff --git a/garnix.yaml b/garnix.yaml
new file mode 100644
index 0000000..c189664
--- /dev/null
+++ b/garnix.yaml
@@ -0,0 +1,6 @@
+builds:
+  include:
+    - 'nixosConfigurations.*'
+    - 'homeConfigurations.*'
+    - '*.aarch64-linux.*'
+    - '*.x86_64-linux.*'
diff --git a/home/niri/default.nix b/home/niri/default.nix
index f74bcb3..40c53d6 100644
--- a/home/niri/default.nix
+++ b/home/niri/default.nix
@@ -49,6 +49,7 @@ in
 
     environment = {
       DISPLAY = ":0"; # for xwayland-satellite
+      ANKI_WAYLAND = "1";
     };
 
     layout = {
diff --git a/home/yt/ytnix.nix b/home/yt/ytnix.nix
index 8624bdf..2fa8d16 100644
--- a/home/yt/ytnix.nix
+++ b/home/yt/ytnix.nix
@@ -40,11 +40,6 @@
     };
   };
 
-  home.sessionVariables = {
-    ANKI_WAYLAND = "1";
-    DISPLAY = ":0";
-  };
-
   home.packages = with pkgs; [
     firefox
     ungoogled-chromium
diff --git a/hosts/ytnix/default.nix b/hosts/ytnix/default.nix
index 01a9c97..0024c40 100644
--- a/hosts/ytnix/default.nix
+++ b/hosts/ytnix/default.nix
@@ -41,7 +41,7 @@
       efi.canTouchEfiVariables = false; # toggle when installing
     };
     tmp.cleanOnBoot = true;
-    kernelPackages = pkgs.linuxPackages_6_12;
+    kernelPackages = pkgs.linuxKernel.packages.linux_zen;
     extraModulePackages = with config.boot.kernelPackages; [
       rtl8821ce
     ];
diff --git a/overlay/default.nix b/overlay/default.nix
index 99fc17b..123e1f2 100644
--- a/overlay/default.nix
+++ b/overlay/default.nix
@@ -2,6 +2,7 @@ let
   overlays = [
     ./conduwuit
     ./attic
+    ./kernel.nix
   ];
   importedOverlays = map (m: import m) overlays;
 in
diff --git a/overlay/kernel.nix b/overlay/kernel.nix
new file mode 100644
index 0000000..e845a1e
--- /dev/null
+++ b/overlay/kernel.nix
@@ -0,0 +1,9 @@
+final: prev: let
+  inherit (prev) lib;
+in {
+  linuxKernels.kernels.linux_zen = prev.linuxKernels.kernels.linux_zen.override (old: {
+    extraStructuredConfig = with lib.kernel; {
+      CONFIG_SCHED_MUQSS = yes;
+    };
+  });
+}