diff --git a/ops/nixos/clouvider-lon01/default.nix b/ops/nixos/clouvider-lon01/default.nix
index 60a3552fd1..3bb72bb759 100644
--- a/ops/nixos/clouvider-lon01/default.nix
+++ b/ops/nixos/clouvider-lon01/default.nix
@@ -72,7 +72,6 @@
   boot.loader.efi.canTouchEfiVariables = true;
   boot.loader.grub = {
     enable = true;
-    version = 2;
     zfsSupport = true;
     efiSupport = true;
     mirroredBoots = map (path: {
diff --git a/ops/nixos/lib/blade.nix b/ops/nixos/lib/blade.nix
index 775bfa9bac..581a02a158 100644
--- a/ops/nixos/lib/blade.nix
+++ b/ops/nixos/lib/blade.nix
@@ -81,7 +81,6 @@ in {
     });
 
     boot.loader.grub.enable = true;
-    boot.loader.grub.version = 2;
 
     # Networking!
     networking = {
diff --git a/ops/nixos/lib/frantech.nix b/ops/nixos/lib/frantech.nix
index f63aed1c40..a6db430401 100644
--- a/ops/nixos/lib/frantech.nix
+++ b/ops/nixos/lib/frantech.nix
@@ -25,7 +25,6 @@ in {
 
   # Use GRUB.
   boot.loader.grub.enable = true;
-  boot.loader.grub.version = 2;
   boot.loader.grub.device = "/dev/vda";
 
   powerManagement.cpuFreqGovernor = lib.mkDefault "performance";