diff --git a/nixos/modules/config/iproute2.nix b/nixos/modules/config/iproute2.nix
index 90f53c0eab69..1fa28a7a4c64 100644
--- a/nixos/modules/config/iproute2.nix
+++ b/nixos/modules/config/iproute2.nix
@@ -1,15 +1,12 @@
 { config, lib, pkgs, ... }:
-
-with lib;
-
 let
   cfg = config.networking.iproute2;
 in
 {
   options.networking.iproute2 = {
-    enable = mkEnableOption "copying IP route configuration files";
-    rttablesExtraConfig = mkOption {
-      type = types.lines;
+    enable = lib.mkEnableOption "copying IP route configuration files";
+    rttablesExtraConfig = lib.mkOption {
+      type = lib.types.lines;
       default = "";
       description = ''
         Verbatim lines to add to /etc/iproute2/rt_tables
@@ -17,7 +14,7 @@ in
     };
   };
 
-  config = mkIf cfg.enable {
+  config = lib.mkIf cfg.enable {
     environment.etc."iproute2/rt_tables.d/nixos.conf" = {
       mode = "0644";
       text = cfg.rttablesExtraConfig;