diff --git a/wagtail/admin/templates/wagtailadmin/edit_handlers/object_list.html b/wagtail/admin/templates/wagtailadmin/edit_handlers/object_list.html
index f8d04811a..a8cbb343a 100644
--- a/wagtail/admin/templates/wagtailadmin/edit_handlers/object_list.html
+++ b/wagtail/admin/templates/wagtailadmin/edit_handlers/object_list.html
@@ -2,11 +2,9 @@
     {% for child in self.children %}
         <li class="object {{ child.classes|join:" " }}">
             {% if child.heading %}
-                <h3>
-                    <label {% if child.id_for_label %}for="{{ child.id_for_label }}"{% endif %}>
-                        {{ child.heading }}
-                    </label>
-                </h3>
+                <label {% if child.id_for_label %}for="{{ child.id_for_label }}"{% endif %}>
+                    {{ child.heading }}
+                </label>
             {% endif %}
             <div class="object-layout">
                 {% if child.help_text %}