diff --git a/mod/scorm/mod_form.php b/mod/scorm/mod_form.php
index 3cf082d449e..49f84dc7295 100644
--- a/mod/scorm/mod_form.php
+++ b/mod/scorm/mod_form.php
@@ -17,10 +17,6 @@ class mod_scorm_mod_form extends moodleform_mod {
         if (!$CFG->slasharguments) {
             $mform->addElement('static', '', '',$OUTPUT->notification(get_string('slashargs', 'scorm'), 'notifyproblem'));
         }
-        $zlib = ini_get('zlib.output_compression'); //check for zlib compression - if used, throw error because of IE bug. - SEE MDL-16185
-        if (isset($zlib) && $zlib) {
-            $mform->addElement('static', '', '',$OUTPUT->notification(get_string('zlibwarning', 'scorm'), 'notifyproblem'));
-        }
 //-------------------------------------------------------------------------------
         $mform->addElement('header', 'general', get_string('general', 'form'));