diff --git a/nixos/modules/services/hardware/thermald.nix b/nixos/modules/services/hardware/thermald.nix
index b7be0e89d0c..241490c5aae 100644
--- a/nixos/modules/services/hardware/thermald.nix
+++ b/nixos/modules/services/hardware/thermald.nix
@@ -23,15 +23,6 @@ in {
         default = null;
         description = "the thermald manual configuration file.";
       };
-
-      adaptive = mkOption {
-        type = types.bool;
-        default = false;
-        description = ''
-          Whether to enable adaptive mode, only working on kernel versions greater than 5.8.
-          Thermald will detect this itself, safe to enable on kernel versions below 5.8.
-        '';
-      };
     };
   };
 
@@ -48,8 +39,8 @@ in {
             --no-daemon \
             ${optionalString cfg.debug "--loglevel=debug"} \
             ${optionalString (cfg.configFile != null) "--config-file ${cfg.configFile}"} \
-            ${optionalString cfg.adaptive "--adaptive"} \
             --dbus-enable
+            --adaptive
         '';
       };
     };