Index: wp-includes/cache.php
===================================================================
--- wp-includes/cache.php	(revision 23294)
+++ wp-includes/cache.php	(working copy)
@@ -629,25 +629,5 @@
 
 		$this->multisite = is_multisite();
 		$this->blog_prefix =  $this->multisite ? $blog_id . ':' : '';
-
-
-		/**
-		 * @todo This should be moved to the PHP4 style constructor, PHP5
-		 * already calls __destruct()
-		 */
-		register_shutdown_function( array( $this, '__destruct' ) );
 	}
-
-	/**
-	 * Will save the object cache before object is completely destroyed.
-	 *
-	 * Called upon object destruction, which should be when PHP ends.
-	 *
-	 * @since  2.0.8
-	 *
-	 * @return bool True value. Won't be used by PHP
-	 */
-	function __destruct() {
-		return true;
-	}
 }