diff --git a/nix/configurations/vanadium/nixos/display.nix b/nix/configurations/vanadium/nixos/display.nix
index d8cabb5d..7f6e64c1 100644
--- a/nix/configurations/vanadium/nixos/display.nix
+++ b/nix/configurations/vanadium/nixos/display.nix
@@ -33,12 +33,6 @@
     };
 
     profiles = let
-      # TODO: merge when upstream is merged
-      # https://github.com/NixOS/nixpkgs/pull/436434
-      #
-      # Generate an attribute set by mapping a function over a list of attribute names.
-      # It allows setting the name of the attribute.
-      genAttrs' = xs: func: builtins.listToAttrs (map func xs);
       singleton = k: v: {${k} = v;};
 
       fingerprints = {
@@ -139,7 +133,7 @@
     in
       lib.mkMerge [
         {default = frameworkBuiltin;}
-        (genAttrs' devices.extern (name: lib.nameValuePair "asus-${name}" (mkAsusProfile name)))
+        (lib.genAttrs' devices.extern (name: lib.nameValuePair "asus-${name}" (mkAsusProfile name)))
       ];
   };
 }