diff --git a/seahub/api2/templates/api2/discussion.html b/seahub/api2/templates/api2/discussion.html
deleted file mode 100644
index a01e8aa089..0000000000
--- a/seahub/api2/templates/api2/discussion.html
+++ /dev/null
@@ -1,89 +0,0 @@
-{% extends "api2/base.html" %}
-
-{% load seahub_tags avatar_tags i18n %}
-{% load url from future %}
-
-{% block sub_title %}{% trans "Discussion" %} - {% endblock %}
-
-{% block main_panel %}
-
-<div class="msg msg-page">
-        <div class="msg-top ovhd">
-        {% avatar msg.from_email 48 %}
-        <div class="txt">
-            <div class="msg-main">
-                <div class="msg-hd ovhd">
-                    <span class="author">{{ msg.from_email|email2nickname }}</span>
-                    <span class="time">{{ msg.timestamp|translate_seahub_time }}</span>
-                </div>
-                <p class="msg-con">{{ msg.message|seahub_urlize|find_at|linebreaksbr }}</p>
-                {% if msg.attachment %}
-                {% with ma=msg.attachment %}
-                <div class="msg-attachment">
-                    {% if ma.src == 'recommend' %}
-                    {% if ma.attach_type == 'file' %}
-                        {% if ma.filetype != 'Image'%}
-                        <img src="{{ MEDIA_URL }}img/file/{{ ma.name|file_icon_filter }}" alt="{% trans "File"%}" height="18" class="vam" />
-                        <span class="name vam">{{ ma.name }}</span>
-                        {% else %}
-                            {% if ma.err %}
-                            <p class="error">{{ma.err}}</p>
-                            {% else %}
-                            <img src="{{ma.img_url}}" alt="{{ma.name}}" class="img" />
-                            {% endif %}
-                        {% endif %}
-                    {% else %}
-                    <img src="{{ MEDIA_URL }}img/folder-24.png" alt="{% trans "Directory icon"%}" height="20" class="vam" />
-                    <span class="name vam">{{ ma.name }}</span>
-                    {% endif %}
-                    {% endif %}
-
-                    {% if ma.src == 'filecomment' %} {# compatible with comments already exist #}
-                    <img src="{{ MEDIA_URL }}img/file/{{ ma.name|file_icon_filter }}" alt="{% trans "File"%}" height="18" class="vam" />
-                    <span class="name vam">{{ ma.name }}</span>
-                    {% endif %}
-                </div>
-                {% endwith %}
-                {% endif %}
-            </div>
-        </div>
-    </div>
-
-    {% if msg.reply_cnt > 0 %}
-    <div class="msg-op">
-    {% else %}
-    <div class="msg-op hide">
-    {% endif %}
-        <ul class="reply-list" id="reply-list">
-            {% for r in msg.replies %}
-            <li class="reply ovhd reply-at">
-            {% avatar r.from_email 48 %}
-            <div class="txt">
-                <span class="author">{{ r.from_email|email2nickname }}</span>
-                <span class="time">{{ r.timestamp|translate_seahub_time }}</span>
-                <p class="reply-con">{{ r.message|seahub_urlize|find_at }}</p>
-            </div>
-            </li>
-            {% endfor %}
-        </ul>
-        <div class="outer-caret"><div class="inner-caret"></div></div>
-    </div>
-
-</div>
-{% endblock %}
-
-{% block extra_script %}
-<script type="text/javascript">
-var g_token = "TOKEN";
-function setToken(token) {
-    g_token = token;
-}
-function getToken() {
-    return g_token;
-}
-function addMessage(html) {
-    $('#reply-list').append(html);
-    $('.msg-op').removeClass('hide');
-}
-</script>
-{% endblock %}
diff --git a/seahub/api2/templates/api2/discussion_posted.html b/seahub/api2/templates/api2/discussion_posted.html
deleted file mode 100644
index 9acf22aae4..0000000000
--- a/seahub/api2/templates/api2/discussion_posted.html
+++ /dev/null
@@ -1,64 +0,0 @@
-{% load seahub_tags avatar_tags i18n %}
-{% load url from future %}
-
- <li class="msg ovhd" data-msgid="{{msg.id}}">
-        {% avatar msg.from_email 48 %}
-        <div class="txt">
-            <div class="msg-main">
-                <div class="msg-hd ovhd">
-                    <span class="author">{{ msg.from_email|email2nickname }}</span>
-                    <span class="time">{{ msg.timestamp|translate_seahub_time }}</span>
-                </div>
-                <p class="msg-con">{{ msg.message|seahub_urlize|find_at|linebreaksbr }}</p>
-                {% if msg.attachment %}
-                {% with ma=msg.attachment %}
-                <div class="msg-attachment">
-                    {% if ma.src == 'recommend' %}
-                    {% if ma.attach_type == 'file' %}
-                        {% if ma.filetype != 'Image'%}
-                        <img src="{{ MEDIA_URL }}img/file/{{ ma.name|file_icon_filter }}" alt="{% trans "File"%}" height="18" class="vam" />
-                        <span class="name vam">{{ ma.name }}</span>
-                        {% else %}
-                            {% if ma.err %}
-                            <p class="error">{{ma.err}}</p>
-                            {% else %}
-                            <img src="{{ma.img_url}}" alt="{{ma.name}}" class="img" />
-                            {% endif %}
-                        {% endif %}
-                    {% else %}
-                    <img src="{{ MEDIA_URL }}img/folder-24.png" alt="{% trans "Directory icon"%}" height="20" class="vam" />
-                    <span class="name vam">{{ ma.name }}</span>
-                    {% endif %}
-                    {% endif %}
-
-                    {% if ma.src == 'filecomment' %} {# compatible with comments already exist #}
-                    <img src="{{ MEDIA_URL }}img/file/{{ ma.name|file_icon_filter }}" alt="{% trans "File"%}" height="18" class="vam" />
-                    <span class="name vam">{{ ma.name }}</span>
-                    {% endif %}
-                </div>
-                {% endwith %}
-                {% endif %}
-            </div>
-
-            {% if msg.reply_cnt > 0 %}
-            <div class="msg-op">
-                {% if msg.reply_cnt > 3 %}
-                <span class="replies-num">{% blocktrans with amount=msg.reply_cnt %}{{ amount }} replies{% endblocktrans %}</span>
-                {% endif %}
-                <ul class="reply-list">
-                    {% for r in msg.replies %}
-                    <li class="reply w100 ovhd reply-at">
-                    {% avatar r.from_email 28 %}
-                    <div class="txt">
-                        <span class="author">{{ r.from_email|email2nickname  }}</span>
-                        <span class="time">{{ r.timestamp|translate_seahub_time }}</span>
-                        <p class="reply-con">{{ r.message|seahub_urlize|find_at }}</p>
-                    </div>
-                    </li>
-                    {% endfor %}
-                </ul>
-                <div class="outer-caret"><div class="inner-caret"></div></div>
-            </div>
-            {% endif %}
-        </div>
-        </li>
diff --git a/seahub/api2/templates/api2/new_msg_reply.html b/seahub/api2/templates/api2/new_msg_reply.html
deleted file mode 100644
index 134bb232a6..0000000000
--- a/seahub/api2/templates/api2/new_msg_reply.html
+++ /dev/null
@@ -1,88 +0,0 @@
-{% extends "api2/base.html" %}
-
-{% load seahub_tags avatar_tags i18n %}
-{% load url from future %}
-
-{% block sub_title %}{% trans "New Replies" %} - {% endblock %}
-
-{% block main_panel %}
-
-{% for msg in group_msgs %}
-
-<div class="msg ovhd">
-        {% avatar msg.from_email 48 %}
-        <div class="txt">
-            <div class="msg-main">
-                <div class="msg-hd ovhd">
-                    <span class="author">{{ msg.from_email|email2nickname }}</span>
-                    <span class="time">{{ msg.timestamp|translate_seahub_time }}</span>
-                </div>
-                <p class="msg-con">{{ msg.message|seahub_urlize|find_at|linebreaksbr }}</p>
-                {% if msg.attachment %}
-                {% with ma=msg.attachment %}
-                <div class="msg-attachment">
-                    {% if ma.src == 'recommend' %}
-                    {% if ma.attach_type == 'file' %}
-                        {% if ma.filetype != 'Image'%}
-                        <img src="{{ MEDIA_URL }}img/file/{{ ma.name|file_icon_filter }}" alt="{% trans "File"%}" height="18" class="vam" />
-                        <span class="name vam">{{ ma.name }}</span>
-                        {% else %}
-                            {% if ma.err %}
-                            <p class="error">{{ma.err}}</p>
-                            {% else %}
-                            <img src="{{ma.img_url}}" alt="{{ma.name}}" class="img" />
-                            {% endif %}
-                        {% endif %}
-                    {% else %}
-                    <img src="{{ MEDIA_URL }}img/folder-24.png" alt="{% trans "Directory icon"%}" height="20" class="vam" />
-                    <span class="name vam">{{ ma.name }}</span>
-                    {% endif %}
-                    {% endif %}
-
-                    {% if ma.src == 'filecomment' %} {# compatible with comments already exist #}
-                    <img src="{{ MEDIA_URL }}img/file/{{ ma.name|file_icon_filter }}" alt="{% trans "File"%}" height="18" class="vam" />
-                    <span class="name vam">{{ ma.name }}</span>
-                    {% endif %}
-                </div>
-                {% endwith %}
-                {% endif %}
-            </div>
-    {% if msg.reply_cnt > 0 %}
-    <div class="msg-op">
-    {% else %}
-    <div class="msg-op hide">
-    {% endif %}
-        <ul class="reply-list">
-            {% for r in msg.replies %}
-            <li class="reply w100 ovhd reply-at">
-            {% avatar r.from_email 28 %}
-            <div class="txt">
-                <span class="author">{{ r.from_email|email2nickname }}</span>
-                <span class="time">{{ r.timestamp|translate_seahub_time }}</span>
-                <p class="reply-con">{{ r.message|seahub_urlize|find_at }}</p>
-            </div>
-            </li>
-            {% endfor %}
-        </ul>
-        <div class="outer-caret"><div class="inner-caret"></div></div>
-        </div>
-    </div>
-</div>
-{% endfor %}
-{% endblock %}
-
-{% block extra_script %}
-<script type="text/javascript">
-var g_token = "TOKEN";
-function setToken(token) {
-    g_token = token;
-}
-function getToken() {
-    return g_token;
-}
-function addMessage(html) {
-    $('#reply-list').append(html);
-    $('.msg-op').removeClass('hide');
-}
-</script>
-{% endblock %}
diff --git a/seahub/api2/templates/api2/reply.html b/seahub/api2/templates/api2/reply.html
deleted file mode 100644
index 34607a620d..0000000000
--- a/seahub/api2/templates/api2/reply.html
+++ /dev/null
@@ -1,11 +0,0 @@
-{% load seahub_tags avatar_tags i18n %}
-
-<li class="reply ovhd reply-at">
-  {% avatar r.from_email 48 %}
-  <div class="txt">
-    <span class="author">{{ r.from_email|email2nickname }}</span>
-    <span class="time">{{ r.timestamp|translate_seahub_time }}</span>
-    <p class="reply-con">{{ r.message|seahub_urlize|find_at }}</p>
-  </div>
-</li>
-