def _doRemoveChild(self, CTNInstance):
slave_pos = CTNInstance.GetSlavePos()
config = self.Config.getConfig()
for idx, slave in enumerate(config.getSlave()):
slave_infos = slave.getInfo()
if slave_infos.getPhysAddr() == slave_pos:
config.removeSlave(idx)
self.BufferModel()
self.OnCTNSave()
ConfigTreeNode._doRemoveChild(self, CTNInstance)
