diff --git a/users/grfn/system/system/modules/kernel.nix b/users/grfn/system/system/modules/kernel.nix
deleted file mode 100644
index dd213fcca..000000000
--- a/users/grfn/system/system/modules/kernel.nix
+++ /dev/null
@@ -1,39 +0,0 @@
-{ config, lib, pkgs, ... }:
-with lib.versions;
-let
-  inherit (pkgs) stdenvNoCC;
-  kernelRelease = config.boot.kernelPackages.kernel.version;
-  mj = major kernelRelease;
-  mm = majorMinor kernelRelease;
-  patched-linux-ck = stdenvNoCC.mkDerivation {
-    name = "linux-ck";
-    src = builtins.fetchurl {
-      name = "linux-ck-patch-${mm}-ck1.xz";
-      # example: http://ck.kolivas.org/patches/5.0/5.4/5.4-ck1/patch-5.4-ck1.xz
-      url = "http://ck.kolivas.org/patches/${mj}.0/${mm}/${mm}-ck1/patch-${mm}-ck1.xz";
-      sha256 = "1kka38rmjcqsv4j2anczrsni0bf6yfdx2vsxbna3ic84nh3rz434";
-    };
-
-    unpackPhase = ''
-      ${pkgs.xz}/bin/unxz -kfdc $src > patch-${mm}-ck1
-    '';
-
-    installPhase = ''
-      cp patch-${mm}-ck1 $out
-    '';
-  };
-in
-{
-  boot.kernelPackages = pkgs.linuxPackages_5_10.extend (self: super: {
-    kernel = super.kernel.override {
-      ignoreConfigErrors = true;
-      kernelPatches = super.kernel.kernelPatches ++ [{
-        name = "linux-ck";
-        patch = patched-linux-ck;
-      }];
-      argsOverride = {
-        modDirVersion = super.kernel.modDirVersion + "-ck1";
-      };
-    };
-  });
-}