diff --git a/pkgs/os-specific/linux/kernel/linux-6.1.nix b/pkgs/os-specific/linux/kernel/linux-6.1.nix
index 9b9c772b6435..bac200d06076 100644
--- a/pkgs/os-specific/linux/kernel/linux-6.1.nix
+++ b/pkgs/os-specific/linux/kernel/linux-6.1.nix
@@ -15,6 +15,4 @@ buildLinux (args // rec {
     url = "mirror://kernel/linux/kernel/v6.x/linux-${version}.tar.xz";
     sha256 = "01grx5y48scyyihpj176knn5yvgpxv2gfkli03rwj31xvnb4pdy2";
   };
-  # TODO: possible to remove after any rebuild, e.g. after update.
-  extraConfig = lib.optionalString (buildPackages.stdenv.system == "x86_64-linux") "\n";
 } // (args.argsOverride or { }))