diff --git a/mail_activity_board/__manifest__.py b/mail_activity_board/__manifest__.py
index 06ec8cd..87e1241 100644
--- a/mail_activity_board/__manifest__.py
+++ b/mail_activity_board/__manifest__.py
@@ -4,7 +4,7 @@
 {
     "name": "Mail Activity Board",
     "summary": "Add Activity Boards",
-    "version": "14.0.1.0.0",
+    "version": "15.0.1.0.0",
     "development_status": "Beta",
     "category": "Social Network",
     "website": "https://github.com/OCA/social",
@@ -12,6 +12,13 @@
     "license": "AGPL-3",
     "installable": True,
     "depends": ["calendar", "board"],
-    "data": ["views/templates.xml", "views/mail_activity_view.xml"],
-    "qweb": ["static/src/components/chatter_topbar/chatter_topbar.xml"],
+    "data": ["views/mail_activity_view.xml"],
+    "assets": {
+        "web.assets_backend": [
+            "mail_activity_board/static/src/components/chatter_topbar/chatter_topbar.esm.js",
+        ],
+        "web.assets_qweb": [
+            "mail_activity_board/static/src/components/chatter_topbar/chatter_topbar.xml",
+        ],
+    },
 }
diff --git a/mail_activity_board/models/mail_activity.py b/mail_activity_board/models/mail_activity.py
index 573ab22..8cfd77a 100644
--- a/mail_activity_board/models/mail_activity.py
+++ b/mail_activity_board/models/mail_activity.py
@@ -61,69 +61,3 @@ class MailActivity(models.Model):
                 continue
             allowed_ids |= self._find_allowed_model_wise(doc_model, doc_dict)
         return allowed_ids
-
-    @api.model
-    def _search(
-        self,
-        args,
-        offset=0,
-        limit=None,
-        order=None,
-        count=False,
-        access_rights_uid=None,
-    ):
-        # Rules do not apply to administrator
-        if self.env.is_superuser():
-            return super(MailActivity, self)._search(
-                args,
-                offset=offset,
-                limit=limit,
-                order=order,
-                count=count,
-                access_rights_uid=access_rights_uid,
-            )
-
-        ids = super(MailActivity, self)._search(
-            args,
-            offset=offset,
-            limit=limit,
-            order=order,
-            count=False,
-            access_rights_uid=access_rights_uid,
-        )
-        if not ids and count:
-            return 0
-        elif not ids:
-            return ids
-
-        # check read access rights before checking the actual rules
-        super(
-            MailActivity, self.with_user(access_rights_uid or self._uid)
-        ).check_access_rights("read")
-
-        model_ids = {}
-
-        self.flush(["res_id", "res_model_id", "res_model"])
-        for sub_ids in self._cr.split_for_in_conditions(ids):
-            self._cr.execute(
-                """
-                SELECT DISTINCT a.id, im.id, im.model, a.res_id
-                FROM "%s" a
-                LEFT JOIN ir_model im ON im.id = a.res_model_id
-                WHERE a.id = ANY (%%(ids)s)"""
-                % self._table,
-                dict(ids=list(sub_ids)),
-            )
-            for a_id, _ir_model_id, model, model_id in self._cr.fetchall():
-                model_ids.setdefault(model, {}).setdefault(model_id, set()).add(a_id)
-
-        allowed_ids = self._find_allowed_doc_ids(model_ids)
-
-        final_ids = allowed_ids
-
-        if count:
-            return len(final_ids)
-        else:
-            # re-construct a list based on ids, because set didn't keep order
-            id_list = [a_id for a_id in ids if a_id in final_ids]
-            return id_list
diff --git a/mail_activity_board/static/src/components/chatter_topbar/chatter_topbar.esm.js b/mail_activity_board/static/src/components/chatter_topbar/chatter_topbar.esm.js
new file mode 100644
index 0000000..253eea1
--- /dev/null
+++ b/mail_activity_board/static/src/components/chatter_topbar/chatter_topbar.esm.js
@@ -0,0 +1,45 @@
+/** @odoo-module **/
+import {patch} from "web.utils";
+import {ChatterTopbar} from "@mail/components/chatter_topbar/chatter_topbar";
+const components = {ChatterTopbar};
+// Import {rpc}
+import rpc from "web.rpc";
+
+patch(
+    components.ChatterTopbar.prototype,
+    "mail_activity_board/static/src/components/chatter_topbar/chatter_topbar.esm.js",
+    {
+        // --------------------------------------------------------------------------
+        // Handlers
+        // --------------------------------------------------------------------------
+
+        /**
+         * @private
+         * @param {MouseEvent} ev
+         */
+        // eslint-disable-next-line no-unused-vars
+        _onListActivity(ev) {
+            var self = this;
+            rpc.query({
+                model: this.chatter.thread.model,
+                method: "redirect_to_activities",
+                args: [[]],
+                kwargs: {
+                    id: this.chatter.thread.id,
+                    model: this.chatter.thread.model,
+                },
+                context: {},
+            }).then(function (action) {
+                self.env.bus.trigger("do-action", {
+                    action,
+                    options: {
+                        on_close: () => {
+                            this.chatter.thread.refreshActivities();
+                            this.chatter.thread.refresh();
+                        },
+                    },
+                });
+            });
+        },
+    }
+);
diff --git a/mail_activity_board/static/src/components/chatter_topbar/chatter_topbar.js b/mail_activity_board/static/src/components/chatter_topbar/chatter_topbar.js
deleted file mode 100644
index 940ffd4..0000000
--- a/mail_activity_board/static/src/components/chatter_topbar/chatter_topbar.js
+++ /dev/null
@@ -1,57 +0,0 @@
-/* Copyright 2018 David Juaneda
- * Copyright 2021 Sodexis
- * License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl). */
-
-odoo.define(
-    "mail_activity_board/static/src/components/chatter_topbar/chatter_topbar.js",
-    function (require) {
-        "use strict";
-
-        var rpc = require("web.rpc");
-
-        const components = {
-            ChatterTopbar: require("mail/static/src/components/chatter_topbar/chatter_topbar.js"),
-        };
-
-        const {patch} = require("web.utils");
-
-        patch(
-            components.ChatterTopbar,
-            "mail_activity_board/static/src/components/chatter_topbar/chatter_topbar.js",
-            {
-                // --------------------------------------------------------------------------
-                // Handlers
-                // --------------------------------------------------------------------------
-
-                /**
-                 * @private
-                 * @param {MouseEvent} ev
-                 */
-                // eslint-disable-next-line no-unused-vars
-                _onListActivity(ev) {
-                    var self = this;
-                    rpc.query({
-                        model: this.chatter.thread.model,
-                        method: "redirect_to_activities",
-                        args: [[]],
-                        kwargs: {
-                            id: this.chatter.thread.id,
-                            model: this.chatter.thread.model,
-                        },
-                        context: {},
-                    }).then(function (action) {
-                        self.env.bus.trigger("do-action", {
-                            action,
-                            options: {
-                                on_close: () => {
-                                    this.chatter.thread.refreshActivities();
-                                    this.chatter.thread.refresh();
-                                },
-                            },
-                        });
-                    });
-                },
-            }
-        );
-    }
-);
diff --git a/mail_activity_board/static/src/components/chatter_topbar/chatter_topbar.xml b/mail_activity_board/static/src/components/chatter_topbar/chatter_topbar.xml
index 6adeb11..2cc61b5 100644
--- a/mail_activity_board/static/src/components/chatter_topbar/chatter_topbar.xml
+++ b/mail_activity_board/static/src/components/chatter_topbar/chatter_topbar.xml
@@ -6,7 +6,7 @@
             position="after"
         >
               <button
-                class="btn btn-link o_ChatterTopbar_button o_ChatterTopbar_buttonListActivity"
+                class="btn btn-link o_ChatterTopbar_button"
                 type="button"
                 t-att-disabled="chatter.isDisabled"
                 t-on-click="_onListActivity"
diff --git a/mail_activity_board/tests/test_mail_activity_board.py b/mail_activity_board/tests/test_mail_activity_board.py
index 7929503..6aede0d 100644
--- a/mail_activity_board/tests/test_mail_activity_board.py
+++ b/mail_activity_board/tests/test_mail_activity_board.py
@@ -9,18 +9,27 @@ class TestMailActivityBoardMethods(TransactionCase):
         # Set up activities
 
         # Create a user as 'Crm Salesman' and added few groups
+        mail_activity_group = self.create_mail_activity_group()
         self.employee = self.env["res.users"].create(
             {
                 "company_id": self.env.ref("base.main_company").id,
                 "name": "Employee",
                 "login": "csu",
                 "email": "crmuser@yourcompany.com",
-                "groups_id": [(6, 0, [self.env.ref("base.group_user").id])],
+                "groups_id": [
+                    (
+                        6,
+                        0,
+                        [
+                            self.env.ref("base.group_user").id,
+                        ],
+                    )
+                ],
             }
         )
 
         # Create a user who doesn't have access to anything except activities
-        mail_activity_group = self.create_mail_activity_group()
+
         self.employee2 = self.env["res.users"].create(
             {
                 "company_id": self.env.ref("base.main_company").id,
@@ -32,7 +41,7 @@ class TestMailActivityBoardMethods(TransactionCase):
         )
 
         # lead_model_id = self.env['ir.model']._get('crm.lead').id
-        partner_model_id = self.env["ir.model"]._get("res.partner").id
+        partner_model = self.env["ir.model"]._get("res.partner")
 
         ActivityType = self.env["mail.activity.type"]
         self.activity1 = ActivityType.create(
@@ -41,7 +50,7 @@ class TestMailActivityBoardMethods(TransactionCase):
                 "delay_count": 5,
                 "delay_unit": "days",
                 "summary": "ACT 1 : Presentation, barbecue, ... ",
-                "res_model_id": partner_model_id,
+                "res_model": partner_model.model,
             }
         )
         self.activity2 = ActivityType.create(
@@ -50,7 +59,7 @@ class TestMailActivityBoardMethods(TransactionCase):
                 "delay_count": 6,
                 "delay_unit": "days",
                 "summary": "ACT 2 : I want to show you my ERP !",
-                "res_model_id": partner_model_id,
+                "res_model": partner_model.model,
             }
         )
         self.activity3 = ActivityType.create(
@@ -60,7 +69,7 @@ class TestMailActivityBoardMethods(TransactionCase):
                 "delay_unit": "days",
                 "summary": "ACT 3 : "
                 "Beers for everyone because I am a good salesman !",
-                "res_model_id": partner_model_id,
+                "res_model": partner_model.model,
             }
         )
 
@@ -78,7 +87,7 @@ class TestMailActivityBoardMethods(TransactionCase):
                     "activity_type_id": self.activity3.id,
                     "note": "Partner activity 1.",
                     "res_id": self.partner_client.id,
-                    "res_model_id": partner_model_id,
+                    "res_model_id": partner_model.id,
                     "user_id": self.employee.id,
                 }
             )
@@ -91,7 +100,7 @@ class TestMailActivityBoardMethods(TransactionCase):
                     "activity_type_id": self.activity2.id,
                     "note": "Partner activity 2.",
                     "res_id": self.partner_client.id,
-                    "res_model_id": partner_model_id,
+                    "res_model_id": partner_model.id,
                     "user_id": self.employee.id,
                 }
             )
@@ -104,7 +113,7 @@ class TestMailActivityBoardMethods(TransactionCase):
                     "activity_type_id": self.activity3.id,
                     "note": "Partner activity 3.",
                     "res_id": self.partner_client.id,
-                    "res_model_id": partner_model_id,
+                    "res_model_id": partner_model.id,
                     "user_id": self.employee.id,
                 }
             )
@@ -193,9 +202,3 @@ class TestMailActivityBoardMethods(TransactionCase):
 
         for act in acts:
             self.assertIn(act, self.partner_client.activity_ids.ids)
-
-    def test_read_permissions(self):
-        search1 = self.env["mail.activity"].with_user(self.employee).search([])
-        self.assertEqual(len(search1), 3)
-        search2 = self.env["mail.activity"].with_user(self.employee2).search([])
-        self.assertEqual(len(search2), 0)
diff --git a/mail_activity_board/views/mail_activity_view.xml b/mail_activity_board/views/mail_activity_view.xml
index 179a629..2949532 100644
--- a/mail_activity_board/views/mail_activity_view.xml
+++ b/mail_activity_board/views/mail_activity_view.xml
@@ -217,7 +217,7 @@
         <field name="priority" eval="2" />
         <field name="mode">primary</field>
         <field name="arch" type="xml">
-            <xpath expr='//field[@name="res_model_id"]' position='before'>
+            <xpath expr='//field[@name="res_model"]' position='before'>
                 <field name="user_id" />
                 <field name="res_name" string="Origin" />
             </xpath>
diff --git a/mail_activity_board/views/templates.xml b/mail_activity_board/views/templates.xml
deleted file mode 100644
index 2a6ff5b..0000000
--- a/mail_activity_board/views/templates.xml
+++ /dev/null
@@ -1,15 +0,0 @@
-<?xml version="1.0" encoding="utf-8" ?>
-<odoo>
-    <template
-        id="assets_backend"
-        name="mail_activity_board assets"
-        inherit_id="web.assets_backend"
-    >
-        <xpath expr="." position="inside">
-            <script
-                type="text/javascript"
-                src="/mail_activity_board/static/src/components/chatter_topbar/chatter_topbar.js"
-            />
-        </xpath>
-    </template>
-</odoo>