--- a/modules/libpref/src/init/all.js
+++ b/modules/libpref/src/init/all.js
@@ -277,17 +277,17 @@ pref("media.autoplay.enabled", true);
 // The default number of decoded video frames that are enqueued in
 // MediaDecoderReader's mVideoQueue.
 pref("media.video-queue.default-size", 10);
 
 // Whether to disable the video stats to prevent fingerprinting
 pref("media.video_stats.enabled", true);
 
 // Whether to enable the audio writing APIs on the audio element
-pref("media.audio_data.enabled", true);
+pref("media.audio_data.enabled", false);
 
 // Whether to lock touch scrolling to one axis at a time
 // 0 = FREE (No locking at all)
 // 1 = STANDARD (Once locked, remain locked until scrolling ends)
 // 2 = STICKY (Allow lock to be broken, with hysteresis)
 pref("apz.axis_lock_mode", 0);
 
 #ifdef XP_MACOSX