diff --git a/b2g/chrome/content/settings.js b/b2g/chrome/content/settings.js
index 6c1ee3a049c5..c3c0b3258fa9 100644
--- a/b2g/chrome/content/settings.js
+++ b/b2g/chrome/content/settings.js
@@ -56,6 +56,7 @@ var SettingsListener = {
 SettingsListener.init();
 
 // =================== Audio ====================
+#ifdef MOZ_WIDGET_GONK
 SettingsListener.observe('audio.volume.master', 0.5, function(value) {
   let audioManager = Services.audioManager;
   if (!audioManager)
@@ -91,6 +92,7 @@ for each (let [setting, defaultValue, streamType] in audioSettings) {
     });
   })(setting, defaultValue, streamType);
 }
+#endif
 
 // =================== Console ======================