diff --git a/public/message/output/airnotifier/classes/manager.php b/public/message/output/airnotifier/classes/manager.php
index 66d9f678849..3179b6c19e7 100644
--- a/public/message/output/airnotifier/classes/manager.php
+++ b/public/message/output/airnotifier/classes/manager.php
@@ -138,7 +138,6 @@ class message_airnotifier_manager {
         $params = [
             'url' => $CFG->wwwroot,
             'siteid' => md5(\core\hub\registration::get_secret()),
-            'contact' => $USER->email,
             'description' => $CFG->wwwroot,
         ];
         $resp = $curl->post($serverurl, $params);