diff --git a/configuration/hosts/samhain/services/thermal/thermal.nix b/configuration/hosts/samhain/services/thermal/thermal.nix
index b645e731..f7458ce5 100644
--- a/configuration/hosts/samhain/services/thermal/thermal.nix
+++ b/configuration/hosts/samhain/services/thermal/thermal.nix
@@ -32,13 +32,8 @@
       };
     };
   };
-  services.thermald = let
-    cfg_file = pkgs.writeTextFile {
-      name = "cfg";
-      text = (builtins.readFile ./kaede-thermald.xml);
-    };
-  in {
+  services.thermald = {
     enable = true;
-    configFile = "${cfg_file}";
+    configFile = "${./kaede-thermald.xml}";
   };
 }