diff --git a/includes/database.mysqli.inc b/includes/database.mysqli.inc
index 7e9ba9dcb5b..82a2c3a4722 100644
--- a/includes/database.mysqli.inc
+++ b/includes/database.mysqli.inc
@@ -115,16 +115,6 @@ function db_connect($url) {
   /* Force UTF-8 */
   mysqli_query($connection, 'SET NAMES "utf8"');
 
-  /**
-   * from: http://bugs.php.net/bug.php?id=33772
-   * Write and Close handlers are called after destructing objects since PHP
-   * 5.0.5. Thus destructors can use sessions but session handler can't use
-   * objects. In prior versions, they were called in the opposite order. It
-   * is possible to call session_write_close() from the destructor to solve
-   * this chicken and egg problem.
-   */
-  register_shutdown_function('session_write_close');
-
   return $connection;
 }