diff --git a/core/class/docserver_types_controler.php b/core/class/docserver_types_controler.php
index b52ee9be1c2b2721843c761fa30d80672c7a64b1..21fa0781c8bbe323b79e1f3e3349a67af0745f99 100755
--- a/core/class/docserver_types_controler.php
+++ b/core/class/docserver_types_controler.php
@@ -67,6 +67,10 @@ class docserver_types_controler extends ObjectControler implements ObjectControl
     public function save($docserver_type, $mode = "") {
     }
 
+    public function delete($args)
+    {
+    }
+
     /**
     * Returns an docserver_types object based on a docserver_types identifier
     *
diff --git a/core/class/docservers_controler.php b/core/class/docservers_controler.php
index 58683c4069b2b448b2159f742e9ce2329e526fca..b10aa95bfa528238e4586f1d8a19a102d963e11c 100755
--- a/core/class/docservers_controler.php
+++ b/core/class/docservers_controler.php
@@ -89,6 +89,11 @@ class docservers_controler
         }
     }
 
+    public function delete($args)
+    {
+    }
+
+
     /**
      * get docservers with given id for a ws.
      * Can return null if no corresponding object.