diff --git a/htdocs/core/db/DoliDB.class.php b/htdocs/core/db/DoliDB.class.php
index d4034d9f9f4..081976ebc2b 100644
--- a/htdocs/core/db/DoliDB.class.php
+++ b/htdocs/core/db/DoliDB.class.php
@@ -29,8 +29,6 @@ require_once DOL_DOCUMENT_ROOT.'/core/db/Database.interface.php';
  */
 abstract class DoliDB implements Database
 {
-	/** @var string Force subclass to implement VERSIONMIN */
-	const VERSIONMIN=self::VERSIONMIN;
 	/** @var bool|resource|mysqli|SQLite3|PgSql\Connection Database handler */
 	public $db;
 	/** @var string Database type */