diff --git a/addons/mail/static/src/components/activity/activity.js b/addons/mail/static/src/components/activity/activity.js
index fb06f7734f7..fa44ca9487d 100644
--- a/addons/mail/static/src/components/activity/activity.js
+++ b/addons/mail/static/src/components/activity/activity.js
@@ -1,20 +1,19 @@
 /** @odoo-module **/
 
-import { useComponentToModel } from '@mail/component_hooks/use_component_to_model';
 import { useRefToModel } from '@mail/component_hooks/use_ref_to_model';
 import { registerMessagingComponent } from '@mail/utils/messaging_component';
 
 import Popover from "web.Popover";
-import { LegacyComponent } from "@web/legacy/legacy_component";
 
-export class Activity extends LegacyComponent {
+const { Component } = owl;
+
+export class Activity extends Component {
 
     /**
      * @override
      */
      setup() {
         super.setup();
-        useComponentToModel({ fieldName: 'component' });
         useRefToModel({ fieldName: 'markDoneButtonRef', refName: 'markDoneButton', });
     }
 
diff --git a/addons/mail/static/src/models/activity_view.js b/addons/mail/static/src/models/activity_view.js
index 6170e0bc7a3..d899b3e8430 100644
--- a/addons/mail/static/src/models/activity_view.js
+++ b/addons/mail/static/src/models/activity_view.js
@@ -101,10 +101,6 @@ registerModel({
             },
             inverse: 'activityViewOwner',
         }),
-        /**
-         * States the OWL component of this activity view.
-         */
-        component: attr(),
         /**
          * Compute the label for "when" the activity is due.
          */