diff --git a/default-popup-maker.php b/default-popup-maker.php
new file mode 100644
index 0000000..383acd5
--- /dev/null
+++ b/default-popup-maker.php
@@ -0,0 +1,37 @@
+<?php
+/**
+ * Plugin Name: Be API - Default Popup Maker
+ * Description: Hide Popup Maker filesystem cache alert
+ * Version: 1.0
+ * Author: BE API Technical team
+ * Author URI: https://www.beapi.fr
+ */
+
+namespace BEAPI\Plugin_Defaults\Popup_Maker;
+
+if ( ! defined( 'ABSPATH' ) ) {
+	die( 'Cannot access pages directly.' );
+}
+
+add_filter( 'pum_alert_list', __NAMESPACE__ . '\\strip_filesystem_cache_alert', 999 );
+
+/**
+ * Hide Popup Maker filesystem cache alert
+ *
+ * @param array $alerts Popup Maker alerts returned by apply_filters( 'pum_alert_list', [] ).
+ * @return array
+ */
+function strip_filesystem_cache_alert( $alerts ) {
+	if ( empty( $alerts ) || ! is_array( $alerts ) ) {
+		return $alerts;
+	}
+
+	return array_values(
+		array_filter(
+			$alerts,
+			static function ( $alert ) {
+				return ! isset( $alert['code'] ) || 'pum_writeable_notice' !== $alert['code'];
+			}
+		)
+	);
+}