diff --git a/nixos/modules/services/networking/bitlbee.nix b/nixos/modules/services/networking/bitlbee.nix
index 20488e5f33fe..3ebbab97b68e 100644
--- a/nixos/modules/services/networking/bitlbee.nix
+++ b/nixos/modules/services/networking/bitlbee.nix
@@ -1,7 +1,4 @@
 { config, lib, pkgs, ... }:
-
-with lib;
-
 let
 
   cfg = config.services.bitlbee;
@@ -46,8 +43,8 @@ in
 
     services.bitlbee = {
 
-      enable = mkOption {
-        type = types.bool;
+      enable = lib.mkOption {
+        type = lib.types.bool;
         default = false;
         description = ''
           Whether to run the BitlBee IRC to other chat network gateway.
@@ -56,8 +53,8 @@ in
         '';
       };
 
-      interface = mkOption {
-        type = types.str;
+      interface = lib.mkOption {
+        type = lib.types.str;
         default = "127.0.0.1";
         description = ''
           The interface the BitlBee daemon will be listening to.  If `127.0.0.1`,
@@ -66,17 +63,17 @@ in
         '';
       };
 
-      portNumber = mkOption {
+      portNumber = lib.mkOption {
         default = 6667;
-        type = types.port;
+        type = lib.types.port;
         description = ''
           Number of the port BitlBee will be listening to.
         '';
       };
 
-      authBackend = mkOption {
+      authBackend = lib.mkOption {
         default = "storage";
-        type = types.enum [ "storage" "pam" ];
+        type = lib.types.enum [ "storage" "pam" ];
         description = ''
           How users are authenticated
             storage -- save passwords internally
@@ -84,9 +81,9 @@ in
         '';
       };
 
-      authMode = mkOption {
+      authMode = lib.mkOption {
         default = "Open";
-        type = types.enum [ "Open" "Closed" "Registered" ];
+        type = lib.types.enum [ "Open" "Closed" "Registered" ];
         description = ''
           The following authentication modes are available:
             Open -- Accept connections from anyone, use NickServ for user authentication.
@@ -95,9 +92,9 @@ in
         '';
       };
 
-      hostName = mkOption {
+      hostName = lib.mkOption {
         default = "";
-        type = types.str;
+        type = lib.types.str;
         description = ''
           Normally, BitlBee gets a hostname using getsockname(). If you have a nicer
           alias for your BitlBee daemon, you can set it here and BitlBee will identify
@@ -105,53 +102,53 @@ in
         '';
       };
 
-      plugins = mkOption {
-        type = types.listOf types.package;
+      plugins = lib.mkOption {
+        type = lib.types.listOf lib.types.package;
         default = [];
-        example = literalExpression "[ pkgs.bitlbee-facebook ]";
+        example = lib.literalExpression "[ pkgs.bitlbee-facebook ]";
         description = ''
           The list of bitlbee plugins to install.
         '';
       };
 
-      libpurple_plugins = mkOption {
-        type = types.listOf types.package;
+      libpurple_plugins = lib.mkOption {
+        type = lib.types.listOf lib.types.package;
         default = [];
-        example = literalExpression "[ pkgs.purple-matrix ]";
+        example = lib.literalExpression "[ pkgs.purple-matrix ]";
         description = ''
           The list of libpurple plugins to install.
         '';
       };
 
-      configDir = mkOption {
+      configDir = lib.mkOption {
         default = "/var/lib/bitlbee";
-        type = types.path;
+        type = lib.types.path;
         description = ''
           Specify an alternative directory to store all the per-user configuration
           files.
         '';
       };
 
-      protocols = mkOption {
+      protocols = lib.mkOption {
         default = "";
-        type = types.str;
+        type = lib.types.str;
         description = ''
           This option allows to remove the support of protocol, even if compiled
           in. If nothing is given, there are no restrictions.
         '';
       };
 
-      extraSettings = mkOption {
+      extraSettings = lib.mkOption {
         default = "";
-        type = types.lines;
+        type = lib.types.lines;
         description = ''
           Will be inserted in the Settings section of the config file.
         '';
       };
 
-      extraDefaults = mkOption {
+      extraDefaults = lib.mkOption {
         default = "";
-        type = types.lines;
+        type = lib.types.lines;
         description = ''
           Will be inserted in the Default section of the config file.
         '';
@@ -163,8 +160,8 @@ in
 
   ###### implementation
 
-  config =  mkMerge [
-    (mkIf config.services.bitlbee.enable {
+  config =  lib.mkMerge [
+    (lib.mkIf config.services.bitlbee.enable {
       systemd.services.bitlbee = {
         environment.PURPLE_PLUGIN_PATH = purple_plugin_path;
         description = "BitlBee IRC to other chat networks gateway";
@@ -182,7 +179,7 @@ in
       environment.systemPackages = [ bitlbeePkg ];
 
     })
-    (mkIf (config.services.bitlbee.authBackend == "pam") {
+    (lib.mkIf (config.services.bitlbee.authBackend == "pam") {
       security.pam.services.bitlbee = {};
     })
   ];