diff --git a/navalplanner-webapp/src/main/java/org/navalplanner/web/orders/materials/AssignedMaterialsToOrderElementController.java b/navalplanner-webapp/src/main/java/org/navalplanner/web/orders/materials/AssignedMaterialsToOrderElementController.java
index d5c4aeebf..3d72e3285 100644
--- a/navalplanner-webapp/src/main/java/org/navalplanner/web/orders/materials/AssignedMaterialsToOrderElementController.java
+++ b/navalplanner-webapp/src/main/java/org/navalplanner/web/orders/materials/AssignedMaterialsToOrderElementController.java
@@ -92,7 +92,6 @@ public class AssignedMaterialsToOrderElementController extends
     @Override
     public void doAfterCompose(Component comp) throws Exception {
         super.doAfterCompose(comp);
-        comp.setVariable("assignedMaterialsController", this, true);
         Executions.createComponents("/orders/_assignmentsBox.zul",
                 assignmentsBox, new HashMap<String, String>());
     }