diff --git a/php/src/db/mysql/Mysql.php b/php/src/db/mysql/Mysql.php
index f3ba8b7..f0a0e75 100644
--- a/php/src/db/mysql/Mysql.php
+++ b/php/src/db/mysql/Mysql.php
@@ -6,21 +6,11 @@ use nulib\db\pdo\Pdo;
 class Mysql extends Pdo {
   const PREFIX = "mysql";
 
-  static function config_setWaitTimeout(self $mysql): void {
-    $mysql->_exec("set session wait_timeout = 28800");
-  }
-  const CONFIG_setWaitTimeout = [self::class, "config_setWaitTimeout"];
-
   static function config_unbufferedQueries(self $mysql): void {
     $mysql->db->setAttribute(\PDO::MYSQL_ATTR_USE_BUFFERED_QUERY, false);
   }
   const CONFIG_unbufferedQueries = [self::class, "config_unbufferedQueries"];
 
-  protected const DEFAULT_CONFIG = [
-    ...parent::DEFAULT_CONFIG,
-    self::CONFIG_setWaitTimeout,
-  ];
-
   function getDbname(): ?string {
     $url = $this->dbconn["name"] ?? null;
     if ($url !== null && preg_match('/^mysql(?::|.*;)dbname=([^;]+)/i', $url, $ms)) {