diff --git a/enrol/imsenterprise/importnow.php b/enrol/imsenterprise/importnow.php
index 4351b584b43..c16b8df95b2 100644
--- a/enrol/imsenterprise/importnow.php
+++ b/enrol/imsenterprise/importnow.php
@@ -1,7 +1,7 @@
 <?php
 require_once(dirname(dirname(dirname(__FILE__))) . '/config.php');
 require_login();
-require_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM, SITEID));
+require_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM));
 
 if (!$site = get_site()) {
     redirect("index.php");
diff --git a/enrol/manual/enrol.php b/enrol/manual/enrol.php
index 78e51b8eec5..2b84c57e8fb 100644
--- a/enrol/manual/enrol.php
+++ b/enrol/manual/enrol.php
@@ -54,7 +54,7 @@ function print_entry($course) {
 
 /// Automatically enrol into courses without password
 
-    $context = get_context_instance(CONTEXT_SYSTEM, SITEID);
+    $context = get_context_instance(CONTEXT_SYSTEM);
 
     $navlinks = array();
     $navlinks[] = array('name' => $strcourses, 'link' => ".", 'type' => 'misc');
@@ -383,7 +383,7 @@ function print_enrolmentkeyfrom($course) {
     global $CFG;
     global $USER;
 
-    $context = get_context_instance(CONTEXT_SYSTEM, SITEID);
+    $context = get_context_instance(CONTEXT_SYSTEM);
     $guest = has_capability('moodle/legacy:guest', $context, $USER->id, false);
 
     // if a keyholder role is defined we list teachers in that role (if any exist)