diff --git a/webservice/lib.php b/webservice/lib.php
index 0101ccacded..4324c7896a3 100644
--- a/webservice/lib.php
+++ b/webservice/lib.php
@@ -890,7 +890,6 @@ abstract class webservice_server implements webservice_server_interface {
         }
 
         $loginfaileddefaultparams = array(
-            'context' => context_system::instance(),
             'other' => array(
                 'method' => $this->authmethod,
                 'reason' => null
@@ -1039,7 +1038,6 @@ abstract class webservice_server implements webservice_server_interface {
         global $DB;
 
         $loginfaileddefaultparams = array(
-            'context' => context_system::instance(),
             'other' => array(
                 'method' => $this->authmethod,
                 'reason' => null