diff --git a/mail_tracking/controllers/__init__.py b/mail_tracking/controllers/__init__.py
index 2a06c0b74..e1674a137 100644
--- a/mail_tracking/controllers/__init__.py
+++ b/mail_tracking/controllers/__init__.py
@@ -1,3 +1,4 @@
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
 
 from . import main
+from . import discuss
diff --git a/mail_tracking/controllers/discuss.py b/mail_tracking/controllers/discuss.py
new file mode 100644
index 000000000..8a5652d24
--- /dev/null
+++ b/mail_tracking/controllers/discuss.py
@@ -0,0 +1,24 @@
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+from odoo import http
+
+from odoo.addons.mail.controllers.discuss import DiscussController
+
+
+class MailTrackingDiscussController(DiscussController):
+    @http.route()
+    def mail_init_messaging(self):
+        """Route used to initial values of Discuss app"""
+        values = super().mail_init_messaging()
+        values.update(
+            {"failed_counter": http.request.env["mail.message"].get_failed_count()}
+        )
+        return values
+
+    @http.route("/mail/failed/messages", methods=["POST"], type="json", auth="user")
+    def discuss_failed_messages(self, max_id=None, min_id=None, limit=30, **kwargs):
+        return http.request.env["mail.message"]._message_fetch(
+            domain=[("is_failed_message", "=", True)],
+            max_id=max_id,
+            min_id=min_id,
+            limit=limit,
+        )
diff --git a/mail_tracking/controllers/main.py b/mail_tracking/controllers/main.py
index c6052ae63..510d9de0e 100644
--- a/mail_tracking/controllers/main.py
+++ b/mail_tracking/controllers/main.py
@@ -10,7 +10,6 @@ import werkzeug
 import odoo
 from odoo import SUPERUSER_ID, api, http
 
-from odoo.addons.mail.controllers.discuss import DiscussController
 from odoo.addons.mail.controllers.mail import MailController
 
 _logger = logging.getLogger(__name__)
@@ -30,7 +29,7 @@ def db_env(dbname):
     yield api.Environment(cr, SUPERUSER_ID, {})
 
 
-class MailTrackingController(MailController, DiscussController):
+class MailTrackingController(MailController):
     def _request_metadata(self):
         """Prepare remote info metadata"""
         request = http.request.httprequest
@@ -100,21 +99,3 @@ class MailTrackingController(MailController, DiscussController):
         response.mimetype = "image/gif"
         response.data = base64.b64decode(BLANK)
         return response
-
-    @http.route()
-    def mail_init_messaging(self):
-        """Route used to initial values of Discuss app"""
-        values = super().mail_init_messaging()
-        values.update(
-            {"failed_counter": http.request.env["mail.message"].get_failed_count()}
-        )
-        return values
-
-    @http.route("/mail/failed/messages", methods=["POST"], type="json", auth="user")
-    def discuss_failed_messages(self, max_id=None, min_id=None, limit=30, **kwargs):
-        return http.request.env["mail.message"]._message_fetch(
-            domain=[("is_failed_message", "=", True)],
-            max_id=max_id,
-            min_id=min_id,
-            limit=limit,
-        )