diff --git a/lib/tests/moodlelib_test.php b/lib/tests/moodlelib_test.php
index fe3325c2bd1..5ac27b08e8e 100644
--- a/lib/tests/moodlelib_test.php
+++ b/lib/tests/moodlelib_test.php
@@ -2485,7 +2485,6 @@ class core_moodlelib_testcase extends advanced_testcase {
 
         $this->assertTimeCurrent($user->firstaccess);
         $this->assertTimeCurrent($user->lastaccess);
-        $this->assertTimeCurrent($user->timemodified);
 
         $this->assertTimeCurrent($USER->firstaccess);
         $this->assertTimeCurrent($USER->lastaccess);