diff --git a/includes/class-cao.php b/includes/class-cao.php
index 74dfa75..63d42f4 100644
--- a/includes/class-cao.php
+++ b/includes/class-cao.php
@@ -105,8 +105,6 @@ public static function clean_cron() {
 	 */
 	public function check_order() {
 
-		global $wpdb;
-
 		if ( $this->gateways ) {
 			foreach ( $this->gateways as $gateway ) {
 				$options = get_option( 'woocommerce_' . $gateway . '_settings' );
@@ -133,25 +131,16 @@ public function check_order() {
 
 					// Status to cancel
 					$woo_status = $this->woo_status();
-					$woo_status = implode( "','", $woo_status );
-
-					$orders = $wpdb->get_results(
-						$wpdb->prepare(
-							"
-							SELECT posts.ID
-							FROM $wpdb->posts as posts
-							INNER JOIN $wpdb->postmeta as meta
-							ON posts.ID = meta.post_id
-							WHERE posts.post_type = 'shop_order'
-							AND posts.post_status IN ('$woo_status')
-							AND posts.post_date < %s
-							AND meta.meta_key = '_payment_method'
-							AND meta.meta_value = %s
-						",
-							$old_date_format,
-							$gateway
+
+					$orders = wc_get_orders(
+						array(
+								'limit'        => -1,
+								'status'       => $woo_status,
+								'date_created' => '<' . $old_date_format,
+								'payment_method' => $gateway,
 						)
 					);
+
 					if ( $orders ) {
 						foreach ( $orders as $order ) {
 							// Cancel order.
diff --git a/includes/class-wp.php b/includes/class-wp.php
index 768f88a..5475d23 100644
--- a/includes/class-wp.php
+++ b/includes/class-wp.php
@@ -33,6 +33,8 @@ public function __construct() {
 		$this->load_languages();
 		add_filter( 'plugin_row_meta', array( $this, 'plugin_row_meta' ), 10, 2 );
 
+		add_action('before_woocommerce_init', array( $this, 'enable_woo_hpos' ));
+
 		$this->required();
 
 		new CAO();
@@ -92,4 +94,15 @@ public function plugin_row_meta( $plugin_meta, $plugin_file ) {
 
 		return $plugin_meta;
 	}
+
+	/**
+	 * Enable Woo HPOS ( High-performance order storage )
+	 *
+	 * @return void
+	 */
+	public function enable_woo_hpos() {
+		if ( class_exists( \Automattic\WooCommerce\Utilities\FeaturesUtil::class ) ) {
+			\Automattic\WooCommerce\Utilities\FeaturesUtil::declare_compatibility( 'custom_order_tables', __FILE__, true );
+		}
+	}
 }