diff --git a/seahub/templates/js/lib-op-popups.html b/seahub/templates/js/lib-op-popups.html
index 9da29c39b6..e337c8c210 100644
--- a/seahub/templates/js/lib-op-popups.html
+++ b/seahub/templates/js/lib-op-popups.html
@@ -16,12 +16,6 @@
         <h3>{% trans "New File" %}</h3>
         <div id="featured-filetype">
             <label>{% trans "Featured File Type" %}</label><br />
-            <button type="button" class="set-file-type" data-filetype="seaf" title="{% trans "Click to choose" %}">seaf</button> <span>{% trans "online Rich Text format." %}</span>
-            {% if LANGUAGE_CODE == 'zh-cn' %}
-            <a href="http://www.seafile.com/help/seaf/" target="_blank">{% trans 'Details' %}</a><br />
-            {% else %}
-            <a href="http://www.seafile.com/en/help/seaf/" target="_blank">{% trans 'Details' %}</a><br />
-            {% endif %}
             <button type="button" class="set-file-type" data-filetype="md" title="{% trans "Click to choose" %}">markdown</button> <span>{% trans "simple markup format." %}</span>
             {% if LANGUAGE_CODE == 'zh-cn' %}
             <a href="http://www.seafile.com/help/markdown/" target="_blank">{% trans 'Details' %}</a>