diff --git a/addons/web/models/ir_http.py b/addons/web/models/ir_http.py
index 02287053691..73a0fa7ebc1 100644
--- a/addons/web/models/ir_http.py
+++ b/addons/web/models/ir_http.py
@@ -58,6 +58,11 @@ class Http(models.AbstractModel):
         super()._pre_dispatch(rule, args)
         cls._handle_debug()
 
+    @classmethod
+    def _post_logout(cls):
+        super()._post_logout()
+        request.future_response.set_cookie('cids', max_age=0)
+
     def webclient_rendering_context(self):
         return {
             'menu_data': request.env['ir.ui.menu'].load_menus(request.session.debug),
diff --git a/odoo/addons/base/models/ir_http.py b/odoo/addons/base/models/ir_http.py
index 4c609555a13..672f87b4a04 100644
--- a/odoo/addons/base/models/ir_http.py
+++ b/odoo/addons/base/models/ir_http.py
@@ -150,6 +150,10 @@ class IrHttp(models.AbstractModel):
     def _post_dispatch(cls, response):
         request.dispatcher.post_dispatch(response)
 
+    @classmethod
+    def _post_logout(cls):
+        pass
+
     @classmethod
     def _handle_error(cls, exception):
         return request.dispatcher.handle_error(exception)
diff --git a/odoo/http.py b/odoo/http.py
index 7f8b92e250f..ff39250c4d3 100644
--- a/odoo/http.py
+++ b/odoo/http.py
@@ -1002,6 +1002,9 @@ class Session(collections.abc.MutableMapping):
         self.context['lang'] = request.default_lang() if request else DEFAULT_LANG
         self.should_rotate = True
 
+        if request and request.env:
+            request.env['ir.http']._post_logout()
+
     def touch(self):
         self.is_dirty = True