diff --git a/htdocs/core/db/DoliDB.class.php b/htdocs/core/db/DoliDB.class.php
index 3413e381547..2fcf08bd826 100644
--- a/htdocs/core/db/DoliDB.class.php
+++ b/htdocs/core/db/DoliDB.class.php
@@ -145,6 +145,16 @@ abstract class DoliDB implements Database
 		return $this->label;
 	}
 
+	/**
+	 *	Return last request executed with query()
+	 *
+	 *	@return	string					Last query
+	 */
+	function lastquery()
+	{
+		return $this->lastquery;
+	}
+
 	/**
 	 * Define sort criteria of request
 	 *
diff --git a/htdocs/core/db/mssql.class.php b/htdocs/core/db/mssql.class.php
index f96423b1a66..5def132ab22 100644
--- a/htdocs/core/db/mssql.class.php
+++ b/htdocs/core/db/mssql.class.php
@@ -508,16 +508,6 @@ class DoliDBMssql extends DoliDB
 		return dol_print_date($param,"%Y-%m-%d %H:%M:%S");
 	}
 
-	/**
-	 *	Return last request executed with query()
-	 *
-	 *	@return	string					Last query
-	 */
-	function lastquery()
-	{
-		return $this->lastquery;
-	}
-
 	/**
 	 *	Return last query in error
 	 *
diff --git a/htdocs/core/db/mysql.class.php b/htdocs/core/db/mysql.class.php
index 4f06fb772b8..553483b3994 100644
--- a/htdocs/core/db/mysql.class.php
+++ b/htdocs/core/db/mysql.class.php
@@ -443,16 +443,6 @@ class DoliDBMysql extends DoliDB
 		return addslashes($stringtoencode);
 	}
 
-	/**
-	 *	Return last request executed with query()
-	 *
-	 *	@return	string					Last query
-	 */
-	function lastquery()
-	{
-		return $this->lastquery;
-	}
-
 	/**
 	 *	Return last query in error
 	 *
diff --git a/htdocs/core/db/mysqli.class.php b/htdocs/core/db/mysqli.class.php
index 33cea437afe..d53334fd1fc 100644
--- a/htdocs/core/db/mysqli.class.php
+++ b/htdocs/core/db/mysqli.class.php
@@ -454,16 +454,6 @@ class DoliDBMysqli extends DoliDB
         return addslashes($stringtoencode);
     }
 
-    /**
-	 *	Return last request executed with query()
-	 *
-	 *	@return	string					Last query
-     */
-    function lastquery()
-    {
-        return $this->lastquery;
-    }
-
     /**
      *	Renvoie la derniere requete en erreur
      *
diff --git a/htdocs/core/db/pgsql.class.php b/htdocs/core/db/pgsql.class.php
index bb14ebade32..645b79e3c00 100644
--- a/htdocs/core/db/pgsql.class.php
+++ b/htdocs/core/db/pgsql.class.php
@@ -723,17 +723,6 @@ class DoliDBPgsql extends DoliDB
 		return '(CASE WHEN '.$test.' THEN '.$resok.' ELSE '.$resko.' END)';
 	}
 
-
-	/**
-	 * Renvoie la derniere requete soumise par la methode query()
-	 *
-	 * @return	    lastquery
-	 */
-	function lastquery()
-	{
-		return $this->lastquery;
-	}
-
 	/**
 	 * Renvoie la derniere requete en erreur
 	 *
diff --git a/htdocs/core/db/sqlite.class.php b/htdocs/core/db/sqlite.class.php
index f4cf57bb9be..afd7ed88be8 100644
--- a/htdocs/core/db/sqlite.class.php
+++ b/htdocs/core/db/sqlite.class.php
@@ -588,16 +588,6 @@ class DoliDBSqlite extends DoliDB
         return $this->db->quote($stringtoencode);
     }
 
-    /**
-     *	Renvoie la derniere requete soumise par la methode query()
-     *
-     *	@return	    lastquery
-     */
-    function lastquery()
-    {
-        return $this->lastquery;
-    }
-
 	/**
 	 *	Return last query in error
 	 *