diff -u b/core/modules/picture/lib/Drupal/picture/Plugin/field/formatter/PictureFormatter.php b/core/modules/picture/lib/Drupal/picture/Plugin/field/formatter/PictureFormatter.php
--- b/core/modules/picture/lib/Drupal/picture/Plugin/field/formatter/PictureFormatter.php
+++ b/core/modules/picture/lib/Drupal/picture/Plugin/field/formatter/PictureFormatter.php
@@ -175,7 +175,6 @@
       $elements[$delta] = array(
         '#theme' => 'picture_formatter',
         '#attached' => array('library' => array(
-          array('picture', 'matchmedia'),
           array('picture', 'picturefill'),
         )),
         '#item' => $item,
diff -u b/core/modules/picture/picture.module b/core/modules/picture/picture.module
--- b/core/modules/picture/picture.module
+++ b/core/modules/picture/picture.module
@@ -127,14 +127,6 @@
  * Implements hook_library_info().
  */
 function picture_library_info() {
-  $libraries['matchmedia'] = array(
-    'title' => t('Matchmedia'),
-    'website' => 'https://github.com/attiks/picturefill-proposal',
-    'version' => '0.1',
-    'js' => array(
-      drupal_get_path('module', 'picture') . '/picturefill/matchmedia.js' => array('type' => 'file', 'weight' => -10, 'group' => JS_DEFAULT),
-    ),
-  );
   $libraries['picturefill'] = array(
     'title' => t('Picturefill'),
     'website' => 'https://github.com/attiks/picturefill-proposal',
@@ -142,6 +134,9 @@
     'js' => array(
       drupal_get_path('module', 'picture') . '/picturefill/picturefill.js' => array('type' => 'file', 'weight' => -10, 'group' => JS_DEFAULT),
     ),
+    'dependencies' => array(
+      array('system', 'matchmedia'),
+    ),
   );
   return $libraries;
 }
reverted:
--- b/core/modules/picture/picturefill/matchmedia.js
+++ /dev/null
@@ -1,2 +0,0 @@
-/*! matchMedia() polyfill - Test a CSS media type/query in JS. Authors & copyright (c) 2012: Scott Jehl, Paul Irish, Nicholas Zakas. Dual MIT/BSD license */
-window.matchMedia=window.matchMedia||(function(e,f){var c,a=e.documentElement,b=a.firstElementChild||a.firstChild,d=e.createElement("body"),g=e.createElement("div");g.id="mq-test-1";g.style.cssText="position:absolute;top:-100em";d.appendChild(g);return function(h){g.innerHTML='&shy;<style media="'+h+'"> #mq-test-1 { width: 42px; }</style>';a.insertBefore(d,b);c=g.offsetWidth==42;a.removeChild(d);return{matches:c,media:h}}})(document);
\ No newline at end of file