opendj-server-legacy/src/main/java/org/opends/guitools/controlpanel/ui/CustomObjectClassPanel.java
@@ -482,7 +482,7 @@ availableModel.remove(attr); modelRequired.add(attr); } for (AttributeType attr : oc.getOptionalAttributes()) for (AttributeType attr : oc.getDeclaredOptionalAttributes()) { availableModel.remove(attr); modelAvailable.add(attr);