diff --git a/modules/nixos/common/boot.nix b/modules/nixos/common/boot.nix
deleted file mode 100644
index c1859bd..0000000
--- a/modules/nixos/common/boot.nix
+++ /dev/null
@@ -1,8 +0,0 @@
-{ lib, pkgs, ... }:
-
-{
-  # fix CVE-2026-31431
-  boot.kernelPackages = lib.mkIf (lib.versionOlder pkgs.linux.version "6.18.22") (
-    lib.mkDefault pkgs.linuxPackages_6_18
-  );
-}
diff --git a/modules/nixos/common/default.nix b/modules/nixos/common/default.nix
index bea1546..9847a07 100644
--- a/modules/nixos/common/default.nix
+++ b/modules/nixos/common/default.nix
@@ -1,6 +1,5 @@
 {
   imports = [
-    ./boot.nix
     ./environment.nix
     ./htop.nix
     ./nationalization.nix