diff --git a/inc/Databases/class-lp-wpdb-multiple.php b/inc/Databases/class-lp-wpdb-multiple.php
deleted file mode 100644
index d5a21ac38..000000000
--- a/inc/Databases/class-lp-wpdb-multiple.php
+++ /dev/null
@@ -1,66 +0,0 @@
-<?php
-/**
- * Class LP_WPDB_Multiple
- *
- * @version 1.0.0
- * @since 4.2.4
- */
-defined( 'ABSPATH' ) || exit();
-class LP_WPDB_Multiple extends wpdb {
-	private static $_instance;
-	public function __construct() {
-		parent::__construct( DB_USER, DB_PASSWORD, DB_NAME, DB_HOST );
-	}
-
-	public static function getInstance() {
-		if ( is_null( self::$_instance ) ) {
-			self::$_instance = new self();
-		}
-
-		return self::$_instance;
-	}
-
-	/**
-	 * [insert_multiple allow insert multiple row to table]
-	 * @param  string $table  table name
-	 * @param  array  $data   data to insert
-	 * @param  array $format data format, ex:['%s', '%d','%s']
-	 * @return int|false     insert row count or false
-	 */
-	public function insert_multiple( $table = '' , $data = [] , $format = null ) {
-		$this->insert_id = 0;
-
-		$formats = array();
-		$values  = array();
-
-		foreach ( $data as $index => $row ) {
-			$row         = $this->process_fields( $table, $row, $format );
-			$row_formats = array();
-
-			if ( $row === false || array_keys( $data[ $index ] ) !== array_keys( $data[0] ) ) {
-				continue;
-			}
-
-			foreach ( $row as $col => $value ) {
-				if ( is_null( $value['value'] ) ) {
-					$row_formats[] = 'NULL';
-				} else {
-					$row_formats[] = $value['format'];
-				}
-
-				$values[] = $value['value'];
-			}
-
-			$formats[] = '(' . implode( ', ', $row_formats ) . ')';
-		}
-
-		$fields  = '`' . implode( '`, `', array_keys( $data[0] ) ) . '`';
-		$formats = implode( ', ', $formats );
-		$sql     = "INSERT INTO `$table` ($fields) VALUES $formats";
-
-		$this->check_current_query = false;
-		return $this->query( $this->prepare( $sql, $values ) );
-	}
-}
-LP_WPDB_Multiple::getInstance();
-