diff --git a/modules/nix/nixpkgs.nix b/modules/nix/nixpkgs.nix
index 4e876be..6c54c82 100644
--- a/modules/nix/nixpkgs.nix
+++ b/modules/nix/nixpkgs.nix
@@ -162,7 +162,7 @@ in
 
     hostPlatform = mkOption {
       type = types.either types.str types.attrs; # TODO utilize lib.systems.parsedPlatform
-      example = { system = "aarch64-darwin"; config = "aarch64-apple-darwin"; };
+      example = { system = "aarch64-darwin"; };
       # Make sure that the final value has all fields for sake of other modules
       # referring to this. TODO make `lib.systems` itself use the module system.
       apply = lib.systems.elaborate;
@@ -178,7 +178,7 @@ in
     buildPlatform = mkOption {
       type = types.either types.str types.attrs; # TODO utilize lib.systems.parsedPlatform
       default = cfg.hostPlatform;
-      example = { system = "x86_64-darwin"; config = "x86_64-apple-darwin"; };
+      example = { system = "x86_64-darwin"; };
       # Make sure that the final value has all fields for sake of other modules
       # referring to this.
       apply = lib.systems.elaborate;