diff --git a/src/wp-admin/includes/update-core.php b/src/wp-admin/includes/update-core.php
index 645a3465f9..ee4c30138a 100644
--- a/src/wp-admin/includes/update-core.php
+++ b/src/wp-admin/includes/update-core.php
@@ -707,7 +707,7 @@ $_old_files = array(
 'wp-admin/includes/class-wp-automatic-upgrader.php', // Wrong file name, see #37628.
 // 4.7
 'wp-admin/includes/class-wp-upgrader-skins.php',
-'wp-includes/class-feed.php',
+//Don't delete, yet: wp-includes/class-feed.php',
 'wp-includes/locale.php',
 'wp-includes/session.php',
 'wp-includes/customize/class-wp-customize-themes-panel.php', // Removed in beta; when the feature comes back remember to remove it from this array. See #37661.
diff --git a/src/wp-includes/class-feed.php b/src/wp-includes/class-feed.php
new file mode 100644
index 0000000000..62dd1195df
--- /dev/null
+++ b/src/wp-includes/class-feed.php
@@ -0,0 +1,18 @@
+<?php
+/**
+ * Feed API
+ *
+ * @package WordPress
+ * @subpackage Feed
+ */
+
+_deprecated_file( basename( __FILE__ ), '4.7.0', 'fetch_feed()' );
+
+if ( ! class_exists( 'SimplePie', false ) ) {
+	require_once( ABSPATH . WPINC . '/class-simplepie.php' );
+}
+
+require_once( ABSPATH . WPINC . '/class-wp-feed-cache.php' );
+require_once( ABSPATH . WPINC . '/class-wp-feed-cache-transient.php' );
+require_once( ABSPATH . WPINC . '/class-wp-simplepie-file.php' );
+require_once( ABSPATH . WPINC . '/class-wp-simplepie-sanitize-kses.php' );
\ No newline at end of file