diff --git a/addons/im_livechat/static/src/legacy/models/website_livechat_window.js b/addons/im_livechat/static/src/legacy/models/website_livechat_window.js
new file mode 100644
index 00000000000..17df767a706
--- /dev/null
+++ b/addons/im_livechat/static/src/legacy/models/website_livechat_window.js
@@ -0,0 +1,105 @@
+odoo.define('im_livechat.legacy.im_livechat.WebsiteLivechatWindow', function (require) {
+"use strict";
+
+var AbstractThreadWindow = require('im_livechat.legacy.mail.AbstractThreadWindow');
+
+/**
+ * This is the widget that represent windows of livechat in the frontend.
+ *
+ * @see im_livechat.legacy.mail.AbstractThreadWindow for more information
+ */
+var LivechatWindow = AbstractThreadWindow.extend({
+    events: _.extend(AbstractThreadWindow.prototype.events, {
+        'input .o_composer_text_field': '_onInput',
+    }),
+    /**
+     * @override
+     * @param {im_livechat.legacy.im_livechat.im_livechat:LivechatButton} parent
+     * @param {im_livechat.legacy.im_livechat.model.WebsiteLivechat} thread
+     * @param {Object} [options={}]
+     * @param {string} [options.headerBackgroundColor]
+     * @param {string} [options.titleColor]
+     */
+    init(parent, thread, options = {}) {
+        this._super.apply(this, arguments);
+        this._thread = thread;
+    },
+    /**
+     * @override
+     * @return {Promise}
+     */
+    async start() {
+        await this._super(...arguments);
+        if (this.options.headerBackgroundColor) {
+            this.$('.o_thread_window_header').css('background-color', this.options.headerBackgroundColor);
+        }
+        if (this.options.titleColor) {
+            this.$('.o_thread_window_header').css('color', this.options.titleColor);
+        }
+    },
+
+
+    //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+    /**
+     * @override
+     */
+    close: function () {
+        this.trigger_up('close_chat_window');
+    },
+    /**
+     * Replace the thread content with provided new content
+     *
+     * @param {$.Element} $element
+     */
+    replaceContentWith: function ($element) {
+        $element.replace(this._threadWidget.$el);
+    },
+    /**
+     * Warn the parent widget (LivechatButton)
+     *
+     * @override
+     * @param {boolean} folded
+     */
+    toggleFold: function () {
+        this._super.apply(this, arguments);
+        this.trigger_up('save_chat_window');
+        this.updateVisualFoldState();
+    },
+
+    //--------------------------------------------------------------------------
+    // Private
+    //--------------------------------------------------------------------------
+
+    /**
+     * @override
+     * @private
+     * @param {Object} messageData
+     */
+    _postMessage: function (messageData) {
+        this.trigger_up('post_message_chat_window', { messageData: messageData });
+        this._super.apply(this, arguments);
+    },
+
+    //--------------------------------------------------------------------------
+    // Handlers
+    //--------------------------------------------------------------------------
+
+    /**
+     * Called when the input in the composer changes
+     *
+     * @private
+     */
+    _onInput: function () {
+        if (this.hasThread() && this._thread.hasTypingNotification()) {
+            var isTyping = this.$input.val().length > 0;
+            this._thread.setMyselfTyping({ typing: isTyping });
+        }
+    },
+});
+
+return LivechatWindow;
+
+});
diff --git a/addons/im_livechat/static/src/legacy/public_livechat.js b/addons/im_livechat/static/src/legacy/public_livechat.js
index 7ca3d234460..5bcd804d467 100644
--- a/addons/im_livechat/static/src/legacy/public_livechat.js
+++ b/addons/im_livechat/static/src/legacy/public_livechat.js
@@ -634,112 +634,6 @@ return {
 
 });
 
-odoo.define('im_livechat.legacy.im_livechat.WebsiteLivechatWindow', function (require) {
-"use strict";
-
-var AbstractThreadWindow = require('im_livechat.legacy.mail.AbstractThreadWindow');
-
-/**
- * This is the widget that represent windows of livechat in the frontend.
- *
- * @see im_livechat.legacy.mail.AbstractThreadWindow for more information
- */
-var LivechatWindow = AbstractThreadWindow.extend({
-    events: _.extend(AbstractThreadWindow.prototype.events, {
-        'input .o_composer_text_field': '_onInput',
-    }),
-    /**
-     * @override
-     * @param {im_livechat.legacy.im_livechat.im_livechat:LivechatButton} parent
-     * @param {im_livechat.legacy.im_livechat.model.WebsiteLivechat} thread
-     * @param {Object} [options={}]
-     * @param {string} [options.headerBackgroundColor]
-     * @param {string} [options.titleColor]
-     */
-    init(parent, thread, options = {}) {
-        this._super.apply(this, arguments);
-        this._thread = thread;
-    },
-    /**
-     * @override
-     * @return {Promise}
-     */
-    async start() {
-        await this._super(...arguments);
-        if (this.options.headerBackgroundColor) {
-            this.$('.o_thread_window_header').css('background-color', this.options.headerBackgroundColor);
-        }
-        if (this.options.titleColor) {
-            this.$('.o_thread_window_header').css('color', this.options.titleColor);
-        }
-    },
-
-
-    //--------------------------------------------------------------------------
-    // Public
-    //--------------------------------------------------------------------------
-
-    /**
-     * @override
-     */
-    close: function () {
-        this.trigger_up('close_chat_window');
-    },
-    /**
-     * Replace the thread content with provided new content
-     *
-     * @param {$.Element} $element
-     */
-    replaceContentWith: function ($element) {
-        $element.replace(this._threadWidget.$el);
-    },
-    /**
-     * Warn the parent widget (LivechatButton)
-     *
-     * @override
-     * @param {boolean} folded
-     */
-    toggleFold: function () {
-        this._super.apply(this, arguments);
-        this.trigger_up('save_chat_window');
-        this.updateVisualFoldState();
-    },
-
-    //--------------------------------------------------------------------------
-    // Private
-    //--------------------------------------------------------------------------
-
-    /**
-     * @override
-     * @private
-     * @param {Object} messageData
-     */
-    _postMessage: function (messageData) {
-        this.trigger_up('post_message_chat_window', { messageData: messageData });
-        this._super.apply(this, arguments);
-    },
-
-    //--------------------------------------------------------------------------
-    // Handlers
-    //--------------------------------------------------------------------------
-
-    /**
-     * Called when the input in the composer changes
-     *
-     * @private
-     */
-    _onInput: function () {
-        if (this.hasThread() && this._thread.hasTypingNotification()) {
-            var isTyping = this.$input.val().length > 0;
-            this._thread.setMyselfTyping({ typing: isTyping });
-        }
-    },
-});
-
-return LivechatWindow;
-
-});
-
 odoo.define('im_livechat.legacy.mail.model.AbstractThread', function (require) {
 "use strict";