diff --git a/hosts/server10/default.nix b/hosts/server10/default.nix
index 68dd6002..5b2305bb 100644
--- a/hosts/server10/default.nix
+++ b/hosts/server10/default.nix
@@ -16,7 +16,6 @@
   boot = {
     loader.grub = {
       enable = true;
-      version = 2;
       device = "/dev/sda";
     };
     kernelParams = [
diff --git a/hosts/server8/default.nix b/hosts/server8/default.nix
index 203eedfb..c4286be3 100644
--- a/hosts/server8/default.nix
+++ b/hosts/server8/default.nix
@@ -14,7 +14,6 @@
   boot = {
     loader.grub = {
       enable = true;
-      version = 2;
       # Define on which hard drive you want to install Grub.
       device = "/dev/disk/by-id/scsi-3600300570140a6102b0acad9825149f2"; # or "nodev" for efi only
     };
diff --git a/hosts/server9/default.nix b/hosts/server9/default.nix
index 0baa94cf..c8ba14d7 100644
--- a/hosts/server9/default.nix
+++ b/hosts/server9/default.nix
@@ -14,7 +14,6 @@
   boot = {
     loader.grub = {
       enable = true;
-      version = 2;
       device = "/dev/sdc";
     };
     kernelParams = [