diff --git a/lib/tree-updater.rkt b/lib/tree-updater.rkt
index 9e30f326..109c8755 100644
--- a/lib/tree-updater.rkt
+++ b/lib/tree-updater.rkt
@@ -110,6 +110,10 @@
      #;(curry attribute-maybe-update 'class
               (λ (class) (string-join (classlist-updater (string-split class " ")) " ")))
      (curry attribute-maybe-update 'class class-updater)
+     ; audio buttons - sample: hearthstone/wiki/Diablo_(Duels_hero)#Sounds
+     (curry u
+            (λ (v) (has-class? "ext-audiobutton" v))
+            (λ (v) (dict-set (dict-remove v 'hidden) 'controls '(""))))
      ; yet more uncollapsing - sample: warframe/wiki/Amp_(Ability)
      (curry u
             (λ (v) (and (dict-has-key? v 'id)
diff --git a/static/main.css b/static/main.css
index 3d3ed5ac..94144707 100644
--- a/static/main.css
+++ b/static/main.css
@@ -210,6 +210,11 @@ figcaption, .lightbox-caption, .thumbcaption {
     display: block;
 }
 
+/* javascript audio play buttons, see hearthstone/wiki/Diablo_(Duels_hero) */
+a.ext-audiobutton {
+    display: none;
+}
+
 /* animated slots */
 #mw-content-text .animated > :not(.animated-active), #mw-content-text .animated > .animated-subframe > :not(.animated-active) {
     display: inline-block;