diff --git a/www/common/RealtimeTextarea.js b/www/common/RealtimeTextarea.js
deleted file mode 100644
index ee9fcdeb8..000000000
--- a/www/common/RealtimeTextarea.js
+++ /dev/null
@@ -1,207 +0,0 @@
-/*
- * Copyright 2014 XWiki SAS
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-define([
-    '/common/messages.js',
-    '/bower_components/reconnectingWebsocket/reconnecting-websocket.js',
-    '/common/crypto.js',
-    '/common/chainpad.js',
-    '/bower_components/jquery/dist/jquery.min.js',
-], function (Messages, ReconnectingWebSocket, Crypto) {
-    var $ = window.jQuery;
-    var ChainPad = window.ChainPad;
-    var PARANOIA = true;
-    var module = { exports: {} };
-
-    /**
-     * If an error is encountered but it is recoverable, do not immediately fail
-     * but if it keeps firing errors over and over, do fail.
-     */
-    var MAX_RECOVERABLE_ERRORS = 15;
-
-    /** Maximum number of milliseconds of lag before we fail the connection. */
-    var MAX_LAG_BEFORE_DISCONNECT = 20000;
-
-    var warn = function (x) { console.error(x); };
-
-    /* websocket stuff */
-    var isSocketDisconnected = function (socket, realtime) {
-        var sock = socket._socket;
-        return sock.readyState === sock.CLOSING
-            || sock.readyState === sock.CLOSED
-            || (realtime.getLag().waiting && realtime.getLag().lag > MAX_LAG_BEFORE_DISCONNECT);
-    };
-
-    // this differs from other functions with similar names in that
-    // you are expected to pass a socket into it.
-    var checkSocket = function (socket) {
-        if (isSocketDisconnected(socket, socket.realtime) &&
-            !socket.intentionallyClosing) {
-            return true;
-        } else {
-            return false;
-        }
-    };
-
-    // TODO before removing websocket implementation
-    // bind abort to onLeaving
-    var abort = function (socket, realtime) {
-        realtime.abort();
-        try { socket._socket.close(); } catch (e) { warn(e); }
-    };
-
-    var makeWebsocket = function (url) {
-        var socket = new ReconnectingWebSocket(url);
-        var out = {
-            onOpen: [],
-            onClose: [],
-            onError: [],
-            onMessage: [],
-            send: function (msg) { socket.send(msg); },
-            close: function () { socket.close(); },
-            _socket: socket
-        };
-        var mkHandler = function (name) {
-            return function (evt) {
-                for (var i = 0; i < out[name].length; i++) {
-                    if (out[name][i](evt) === false) {
-                        console.log(name +"Handler");
-                        return;
-                    }
-                }
-            };
-        };
-        socket.onopen = mkHandler('onOpen');
-        socket.onclose = mkHandler('onClose');
-        socket.onerror = mkHandler('onError');
-        socket.onmessage = mkHandler('onMessage');
-        return out;
-    };
-    /* end websocket stuff */
-
-    var start = module.exports.start = function (config) { 
-
-        var websocketUrl = config.websocketURL;
-        var userName = config.userName;
-        var channel = config.channel;
-        var cryptKey = config.cryptKey;
-        var passwd = 'y';
-
-        var toReturn = {};
-
-        var socket = makeWebsocket(websocketUrl);
-
-        var allMessages = [];
-        var isErrorState = false;
-        var initializing = true;
-        var recoverableErrorCount = 0;
-
-        socket.onOpen.push(function (evt) {
-            var realtime = socket.realtime = ChainPad.create(userName,
-                                passwd,
-                                channel,
-                                config.initialState || '',
-                                {
-                                    transformFunction: config.transformFunction
-                                });
-
-            if (config.onInit) {
-                // extend as you wish
-                config.onInit({
-                    realtime: realtime
-                });
-            }
-
-            realtime.onUserListChange(function (userList) {
-                if (!initializing || userList.indexOf(userName) === -1) {
-                    return;
-                }
-                // if we spot ourselves being added to the document, we'll switch
-                // 'initializing' off because it means we're fully synced.
-                initializing = false;
-
-                // execute an onReady callback if one was supplied
-                // pass an object so we can extend this later
-                if (config.onReady) {
-                    // extend as you wish
-                    config.onReady({
-                        userList: userList,
-                        realtime: realtime
-                    });
-                }
-            });
-
-            // when you receive a message...
-            socket.onMessage.push(function (evt) {
-                if (isErrorState) { return; }
-
-                var message = Crypto.decrypt(evt.data, cryptKey);
-                allMessages.push(message);
-
-                // super important step that avoids us having
-                // the 'backspace bug'
-                if (config.onLocal) {
-                    config.onLocal();
-                }
-
-                realtime.message(message);
-            });
-
-            // when you receive a patch
-            realtime.onPatch(function () {
-                if (config.onRemote) {
-                    config.onRemote({
-                        realtime: realtime
-                    });
-                }
-            });
-
-            // when a message is ready to send
-            realtime.onMessage(function (message) {
-                if (isErrorState) { return; }
-                message = Crypto.encrypt(message, cryptKey);
-                try {
-                    socket.send(message);
-                } catch (e) {
-                    warn(e);
-                }
-            });
-
-            var socketChecker = setInterval(function () {
-                if (checkSocket(socket)) {
-                    warn("Socket disconnected!");
-
-                    recoverableErrorCount += 1;
-
-                    if (recoverableErrorCount >= MAX_RECOVERABLE_ERRORS) {
-                        warn("Giving up!");
-                        abort(socket, realtime);
-                        if (config.onAbort) {
-                            config.onAbort({
-                                realtime: realtime
-                            });
-                        }
-                        if (socketChecker) { clearInterval(socketChecker); }
-                    }
-                }
-            },200);
-
-            realtime.start();
-        });
-        return toReturn;
-    };
-    return module.exports;
-});