diff --git a/js/src/admin/components/MailPage.js b/js/src/admin/components/MailPage.js
index d54b6098f..f03b7a583 100644
--- a/js/src/admin/components/MailPage.js
+++ b/js/src/admin/components/MailPage.js
@@ -55,7 +55,6 @@ export default class MailPage extends AdminPage {
           type: 'text',
           setting: 'mail_from',
           label: app.translator.trans('core.admin.email.addresses_heading'),
-          className: 'MailPage-MailSettings',
         })}
         {this.buildSettingComponent({
           type: 'select',