diff --git a/nixos/modules/hardware/ledger.nix b/nixos/modules/hardware/ledger.nix
index 41abe74315a0..8510c97c5e38 100644
--- a/nixos/modules/hardware/ledger.nix
+++ b/nixos/modules/hardware/ledger.nix
@@ -1,14 +1,11 @@
 { config, lib, pkgs, ... }:
-
-with lib;
-
 let
   cfg = config.hardware.ledger;
 
 in {
-  options.hardware.ledger.enable = mkEnableOption "udev rules for Ledger devices";
+  options.hardware.ledger.enable = lib.mkEnableOption "udev rules for Ledger devices";
 
-  config = mkIf cfg.enable {
+  config = lib.mkIf cfg.enable {
     services.udev.packages = [ pkgs.ledger-udev-rules ];
   };
 }