diff --git a/nixos/modules/system/boot/loader/grub/grub.nix b/nixos/modules/system/boot/loader/grub/grub.nix
index 0cc060db8f9..721e8f21cce 100644
--- a/nixos/modules/system/boot/loader/grub/grub.nix
+++ b/nixos/modules/system/boot/loader/grub/grub.nix
@@ -86,15 +86,6 @@ in
         '';
       };
 
-      configurationName = mkOption {
-        default = "";
-        example = "Stable 2.6.21";
-        type = types.str;
-        description = ''
-          GRUB entry name instead of default.
-        '';
-      };
-
       extraPrepareConfig = mkOption {
         default = "";
         type = types.lines;