diff --git a/plugins/generic/references/class_reference.inc b/plugins/generic/references/class_reference.inc
index a9ca0aa781be4553f5f6d78dd8dbcfd873a8aad8..de8b2e5b0104aeea9b0ac21e32d91167188b8f8f 100644
--- a/plugins/generic/references/class_reference.inc
+++ b/plugins/generic/references/class_reference.inc
@@ -83,6 +83,12 @@ class reference extends simplePlugin
 
   function save()
   {
+    return array();
+  }
+
+  function remove($fulldelete = FALSE)
+  {
+    return array();
   }
 }