diff --git a/wp-includes/js/wplink.js b/wp-includes/js/wplink.js
index 4a39b76285..7aa0f70ccc 100644
--- a/wp-includes/js/wplink.js
+++ b/wp-includes/js/wplink.js
@@ -367,8 +367,7 @@ var wpLink;
 		setDefaultValues: function() {
 			var selection,
 				emailRegexp = /^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$/i,
-				urlRegexp = /^(https?|ftp):\/\/[A-Z0-9.-]+\.[A-Z]{2,4}[^ "]*$/i,
-				text;
+				urlRegexp = /^(https?|ftp):\/\/[A-Z0-9.-]+\.[A-Z]{2,4}[^ "]*$/i;
 
 			if ( this.isMCE() ) {
 				selection = editor.selection.getContent();
diff --git a/wp-includes/version.php b/wp-includes/version.php
index f1fffb069d..b346a0df0b 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.2-alpha-31723';
+$wp_version = '4.2-alpha-31724';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.