diff --git a/wp-includes/class-wp-editor.php b/wp-includes/class-wp-editor.php
index a9225caed6..e92849c1f5 100644
--- a/wp-includes/class-wp-editor.php
+++ b/wp-includes/class-wp-editor.php
@@ -418,7 +418,7 @@ final class _WP_Editors {
 							$url = set_url_scheme( $url );
 							$mce_external_plugins[ $name ] = $url;
 							$plugurl = dirname( $url );
-							$strings = $str1 = $str2 = '';
+							$strings = '';
 
 							// Try to load langs/[locale].js and langs/[locale]_dlg.js
 							if ( ! in_array( $name, $loaded_langs, true ) ) {
diff --git a/wp-includes/version.php b/wp-includes/version.php
index e268715eb6..8fe5078eee 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.1-alpha-30172';
+$wp_version = '4.1-alpha-30173';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.