diff --git a/morph/lib/bootstrap-configuration.nix b/morph/lib/bootstrap-configuration.nix
index f59385d1fd0ec21997d21c16be5ed5e937611acc..650c4d9c6e8567dfac75a4dfefc6df032f6a43a1 100644
--- a/morph/lib/bootstrap-configuration.nix
+++ b/morph/lib/bootstrap-configuration.nix
@@ -87,7 +87,6 @@ in
   # Configure the bootloader how we like.
   boot.loader.timeout = 10;
   boot.loader.grub.enable = true;
-  boot.loader.grub.version = 2;
   boot.loader.grub.device = "/dev/disk/by-id/${grubDeviceID}";
 
   # Let me in to do subsequent configuration.  This makes the machine wide
diff --git a/nixos/modules/100tb.nix b/nixos/modules/100tb.nix
index 12bb4b35b4c24acd28bfb9a5909809e0f9a8fdd0..997e82e18404a663bb7900e67b60859a27f653ef 100644
--- a/nixos/modules/100tb.nix
+++ b/nixos/modules/100tb.nix
@@ -103,7 +103,6 @@ in {
   # harder to deploy in the bootstrap environment.
   config =
   { boot.loader.grub.enable = true;
-    boot.loader.grub.version = 2;
     boot.loader.grub.device = if cfg.grubDeviceID == "nodev"  then "nodev" else "/dev/disk/by-id/${cfg.grubDeviceID}";
     boot.loader.timeout = 10;
     networking.firewall.enable = false;