diff --git a/addons/web_editor/__manifest__.py b/addons/web_editor/__manifest__.py
index c7f4ddadaef..f68bbd9dede 100644
--- a/addons/web_editor/__manifest__.py
+++ b/addons/web_editor/__manifest__.py
@@ -9,7 +9,7 @@ Odoo Web Editor widget.
 ==========================
 
 """,
-    'depends': ['web', 'mail'],
+    'depends': ['web'],
     'data': [
         'security/ir.model.access.csv',
         'data/editor_assets.xml',
diff --git a/addons/web_editor/static/src/js/wysiwyg/wysiwyg.js b/addons/web_editor/static/src/js/wysiwyg/wysiwyg.js
index affdb7cc48a..b54e3a04fb7 100644
--- a/addons/web_editor/static/src/js/wysiwyg/wysiwyg.js
+++ b/addons/web_editor/static/src/js/wysiwyg/wysiwyg.js
@@ -82,7 +82,11 @@ const Wysiwyg = Widget.extend({
         const commands = this._getCommands();
 
         let editorCollaborationOptions;
-        if (options.collaborationChannel) {
+        if (
+            options.collaborationChannel &&
+            // Hack: check if mail module is installed.
+            this.getSession()['notification_type']
+        ) {
             editorCollaborationOptions = this.setupCollaboration(options.collaborationChannel);
         }