diff --git a/nixos/modules/services/hardware/thermald.nix b/nixos/modules/services/hardware/thermald.nix
index fb7cf3735a7e..d7f706f1ef05 100644
--- a/nixos/modules/services/hardware/thermald.nix
+++ b/nixos/modules/services/hardware/thermald.nix
@@ -1,7 +1,4 @@
 { config, lib, pkgs, ... }:
-
-with lib;
-
 let
   cfg = config.services.thermald;
 in
@@ -9,24 +6,24 @@ in
   ###### interface
   options = {
     services.thermald = {
-      enable = mkEnableOption "thermald, the temperature management daemon";
+      enable = lib.mkEnableOption "thermald, the temperature management daemon";
 
-      debug = mkOption {
-        type = types.bool;
+      debug = lib.mkOption {
+        type = lib.types.bool;
         default = false;
         description = ''
           Whether to enable debug logging.
         '';
       };
 
-     ignoreCpuidCheck = mkOption {
-        type = types.bool;
+     ignoreCpuidCheck = lib.mkOption {
+        type = lib.types.bool;
         default = false;
         description = "Whether to ignore the cpuid check to allow running on unsupported platforms";
       };
 
-      configFile = mkOption {
-        type = types.nullOr types.path;
+      configFile = lib.mkOption {
+        type = lib.types.nullOr lib.types.path;
         default = null;
         description = ''
           The thermald manual configuration file.
@@ -37,12 +34,12 @@ in
         '';
       };
 
-      package = mkPackageOption pkgs "thermald" { };
+      package = lib.mkPackageOption pkgs "thermald" { };
     };
   };
 
   ###### implementation
-  config = mkIf cfg.enable {
+  config = lib.mkIf cfg.enable {
     services.dbus.packages = [ cfg.package ];
 
     systemd.services.thermald = {
@@ -53,8 +50,8 @@ in
         ExecStart = ''
           ${cfg.package}/sbin/thermald \
             --no-daemon \
-            ${optionalString cfg.debug "--loglevel=debug"} \
-            ${optionalString cfg.ignoreCpuidCheck "--ignore-cpuid-check"} \
+            ${lib.optionalString cfg.debug "--loglevel=debug"} \
+            ${lib.optionalString cfg.ignoreCpuidCheck "--ignore-cpuid-check"} \
             ${if cfg.configFile != null then "--config-file ${cfg.configFile}" else "--adaptive"} \
             --dbus-enable
         '';