diff --git a/nixos/modules/virtualisation/xen-domU.nix b/nixos/modules/virtualisation/xen-domU.nix
index 8dd0d1dbfd2c..b46002c10b54 100644
--- a/nixos/modules/virtualisation/xen-domU.nix
+++ b/nixos/modules/virtualisation/xen-domU.nix
@@ -3,11 +3,8 @@
 { config, pkgs, ... }:
 
 {
-  # We're being booted using pv-grub, which means that we need to
-  # generate a GRUB 1 menu without actually installing GRUB.
-  boot.loader.grub.version = 1;
+  boot.loader.grub.version = 2;
   boot.loader.grub.device = "nodev";
-  boot.loader.grub.extraPerEntryConfig = "root (hd0)";
 
   boot.initrd.kernelModules =
     [ "xen-blkfront" "xen-tpmfront" "xen-kbdfront" "xen-fbfront"