diff --git a/course/tests/courselib_test.php b/course/tests/courselib_test.php
index b28522e4fb9..1935ec79a56 100644
--- a/course/tests/courselib_test.php
+++ b/course/tests/courselib_test.php
@@ -1534,6 +1534,10 @@ class core_course_courselib_testcase extends advanced_testcase {
         $this->assertEquals($coursecontext->id, $event->contextid);
         $this->assertEquals($course, $event->get_record_snapshot('course', $course->id));
         $this->assertEquals('course_deleted', $event->get_legacy_eventname());
+        $eventdata = $event->get_data();
+        $this->assertSame($course->idnumber, $eventdata['other']['idnumber']);
+        $this->assertSame($course->fullname, $eventdata['other']['fullname']);
+        $this->assertSame($course->shortname, $eventdata['other']['shortname']);
         // The legacy data also passed the context in the course object.
         $course->context = $coursecontext;
         $this->assertEventLegacyData($course, $event);
diff --git a/lib/classes/event/course_deleted.php b/lib/classes/event/course_deleted.php
index db17175afc5..0f704a77b53 100644
--- a/lib/classes/event/course_deleted.php
+++ b/lib/classes/event/course_deleted.php
@@ -71,7 +71,7 @@ class course_deleted extends base {
     protected function get_legacy_eventdata() {
         $course = $this->get_record_snapshot('course', $this->objectid);
         $course->context = $this->context;
-
+        $course->timemodified = $this->data['timecreated'];
         return $course;
     }
 
diff --git a/lib/moodlelib.php b/lib/moodlelib.php
index 3977dbee67f..2cf904a3888 100644
--- a/lib/moodlelib.php
+++ b/lib/moodlelib.php
@@ -4852,10 +4852,6 @@ function delete_course($courseorid, $showfeedback = true) {
     // Delete the course and related context instance.
     context_helper::delete_instance(CONTEXT_COURSE, $courseid);
 
-    // We will update the course's timemodified, as it will be passed to the course_deleted event,
-    // which should know about this updated property, as this event is meant to pass the full course record.
-    $course->timemodified = time();
-
     $DB->delete_records("course", array("id" => $courseid));
     $DB->delete_records("course_format_options", array("courseid" => $courseid));
 
@@ -4863,8 +4859,11 @@ function delete_course($courseorid, $showfeedback = true) {
     $event = \core\event\course_deleted::create(array(
         'objectid' => $course->id,
         'context' => $context,
-        'other' => array('shortname' => $course->shortname,
-                         'fullname' => $course->fullname)
+        'other' => array(
+            'shortname' => $course->shortname,
+            'fullname' => $course->fullname,
+            'idnumber' => $course->idnumber
+            )
     ));
     $event->add_record_snapshot('course', $course);
     $event->trigger();