diff --git a/nixos/modules/services/networking/coredns.nix b/nixos/modules/services/networking/coredns.nix
index 370b9e6e8043..14602e06fe82 100644
--- a/nixos/modules/services/networking/coredns.nix
+++ b/nixos/modules/services/networking/coredns.nix
@@ -1,39 +1,36 @@
 { config, lib, pkgs, ... }:
-
-with lib;
-
 let
   cfg = config.services.coredns;
   configFile = pkgs.writeText "Corefile" cfg.config;
 in {
   options.services.coredns = {
-    enable = mkEnableOption "Coredns dns server";
+    enable = lib.mkEnableOption "Coredns dns server";
 
-    config = mkOption {
+    config = lib.mkOption {
       default = "";
       example = ''
         . {
           whoami
         }
       '';
-      type = types.lines;
+      type = lib.types.lines;
       description = ''
         Verbatim Corefile to use.
         See <https://coredns.io/manual/toc/#configuration> for details.
       '';
     };
 
-    package = mkPackageOption pkgs "coredns" { };
+    package = lib.mkPackageOption pkgs "coredns" { };
 
-    extraArgs = mkOption {
+    extraArgs = lib.mkOption {
       default = [];
       example = [ "-dns.port=53" ];
-      type = types.listOf types.str;
+      type = lib.types.listOf lib.types.str;
       description = "Extra arguments to pass to coredns.";
     };
   };
 
-  config = mkIf cfg.enable {
+  config = lib.mkIf cfg.enable {
     systemd.services.coredns = {
       description = "Coredns dns server";
       after = [ "network.target" ];
@@ -46,7 +43,7 @@ in {
         AmbientCapabilities = "cap_net_bind_service";
         NoNewPrivileges = true;
         DynamicUser = true;
-        ExecStart = "${getBin cfg.package}/bin/coredns -conf=${configFile} ${lib.escapeShellArgs cfg.extraArgs}";
+        ExecStart = "${lib.getBin cfg.package}/bin/coredns -conf=${configFile} ${lib.escapeShellArgs cfg.extraArgs}";
         ExecReload = "${pkgs.coreutils}/bin/kill -SIGUSR1 $MAINPID";
         Restart = "on-failure";
       };