diff --git a/src/Element/ElementCard.php b/src/Element/ElementCard.php
index e53580e..bf5cdb6 100644
--- a/src/Element/ElementCard.php
+++ b/src/Element/ElementCard.php
@@ -80,6 +80,22 @@ class ElementCard extends BaseElement
         'ElementLink',
     ];
 
+    /**
+     * @var array
+     * @config
+     */
+    private static $cascade_duplicates = [
+        'ElementLink',
+    ];
+
+    /**
+     * @var array
+     * @config
+     */
+    private static array $cascade_deletes = [
+        'ElementLink',
+    ];
+
     /**
      * @param bool $includerelations
      * @return array