diff --git a/blocks/myoverview/classes/output/course_summary.php b/blocks/myoverview/classes/output/course_summary.php
index a28dd6b2871..78c1b030a95 100644
--- a/blocks/myoverview/classes/output/course_summary.php
+++ b/blocks/myoverview/classes/output/course_summary.php
@@ -36,6 +36,18 @@ use templatable;
  */
 class course_summary implements renderable, templatable {
 
+    /** @var array $courses List of courses the user is enrolled in. */
+    protected $courses = [];
+
+    /**
+     * The course_summary constructor.
+     *
+     * @param array $courses list of courses.
+     */
+    public function __construct($courses) {
+        $this->courses = $courses;
+    }
+
     /**
      * Export this data so it can be used as the context for a mustache template.
      *
@@ -43,12 +55,11 @@ class course_summary implements renderable, templatable {
      * @return stdClass
      */
     public function export_for_template(renderer_base $output) {
-        $courses = enrol_get_my_courses('*');
 
         $data = [];
-        foreach ($courses as $courseid => $value) {
+        foreach ($this->courses as $courseid => $value) {
             $context = \context_course::instance($courseid);
-            $exporter = new course_summary_exporter($courses[$courseid], array('context' => $context));
+            $exporter = new course_summary_exporter($this->courses[$courseid], array('context' => $context));
             $data[] = $exporter->export($output);
         }
         return $data;
diff --git a/blocks/myoverview/classes/output/courses_view.php b/blocks/myoverview/classes/output/courses_view.php
index 541c117b777..ef978b5b6fb 100644
--- a/blocks/myoverview/classes/output/courses_view.php
+++ b/blocks/myoverview/classes/output/courses_view.php
@@ -37,6 +37,18 @@ class courses_view implements renderable, templatable {
     /** Quantity of courses per page. */
     const COURSES_PER_PAGE = 6;
 
+    /** @var array $courses List of courses the user is enrolled in. */
+    protected $courses = [];
+
+    /**
+     * The courses_view constructor.
+     *
+     * @param array $courses list of courses.
+     */
+    public function __construct($courses) {
+        $this->courses = $courses;
+    }
+
     /**
      * Export this data so it can be used as the context for a mustache template.
      *
@@ -44,12 +56,11 @@ class courses_view implements renderable, templatable {
      * @return stdClass
      */
     public function export_for_template(renderer_base $output) {
-        $courses = enrol_get_my_courses('startdate, enddate');
         $today = time();
 
         // How many courses we have per status?
         $coursesbystatus = ['past' => 0, 'inprogress' => 0, 'future' => 0];
-        foreach ($courses as $course) {
+        foreach ($this->courses as $course) {
             $startdate = $course->startdate;
             $enddate = $course->enddate;
 
diff --git a/blocks/myoverview/classes/output/main.php b/blocks/myoverview/classes/output/main.php
index 4bd940505a2..2dbc1b27f98 100644
--- a/blocks/myoverview/classes/output/main.php
+++ b/blocks/myoverview/classes/output/main.php
@@ -42,8 +42,11 @@ class main implements renderable, templatable {
      * @return stdClass
      */
     public function export_for_template(renderer_base $output) {
-        $coursesummary = new course_summary();
-        $coursesview = new courses_view();
+
+        $courses = enrol_get_my_courses('id, shortname, startdate, enddate, summary');
+
+        $coursesummary = new course_summary($courses);
+        $coursesview = new courses_view($courses);
 
         return [
             'courses' => $coursesummary->export_for_template($output),