diff --git a/lib/outputcomponents.php b/lib/outputcomponents.php
index 91c0a54e73a2f..6675c831c71e4 100644
--- a/lib/outputcomponents.php
+++ b/lib/outputcomponents.php
@@ -2062,12 +2062,10 @@ public static function input_hidden_params(moodle_url $url, array $exclude = nul
      */
     public static function script($jscode, $url=null) {
         if ($jscode) {
-            $attributes = array('type'=>'text/javascript');
-            return self::tag('script', "\n//<![CDATA[\n$jscode\n//]]>\n", $attributes) . "\n";
+            return self::tag('script', "\n//<![CDATA[\n$jscode\n//]]>\n") . "\n";
 
         } else if ($url) {
-            $attributes = array('type'=>'text/javascript', 'src'=>$url);
-            return self::tag('script', '', $attributes) . "\n";
+            return self::tag('script', '', ['src' => $url]) . "\n";
 
         } else {
             return '';
diff --git a/lib/outputrequirementslib.php b/lib/outputrequirementslib.php
index bab8815e144d2..2128577c38b00 100644
--- a/lib/outputrequirementslib.php
+++ b/lib/outputrequirementslib.php
@@ -1445,14 +1445,14 @@ protected function get_yui3lib_headcode() {
         );
 
         if ($this->yui3loader->combine) {
-            return '<script type="text/javascript" src="' .
+            return '<script src="' .
                     $this->yui3loader->local_comboBase .
                     implode('&amp;', $baserollups) .
                     '"></script>';
         } else {
             $code = '';
             foreach ($baserollups as $rollup) {
-                $code .= '<script type="text/javascript" src="'.$this->yui3loader->local_comboBase.$rollup.'"></script>';
+                $code .= '<script src="'.$this->yui3loader->local_comboBase.$rollup.'"></script>';
             }
             return $code;
         }