def METHOD_NAME(self, interface):
    cfg_tbl = cfg_key = None
    if interface.startswith('PortChannel'):
        tbl_name = 'PORTCHANNEL_INTERFACE'
        cfg_tbl = 'PORTCHANNEL'
        cfg_key = interface
    elif interface.startswith('Vlan'):
        tbl_name = 'VLAN_INTERFACE'
        cfg_tbl = 'VLAN'
        vlan_id = interface[len('Vlan'):]
        cfg_key = 'Vlan' + vlan_id
    elif interface.startswith('Loopback'):
        tbl_name = 'LOOPBACK_INTERFACE'
    else:
        tbl_name = 'INTERFACE'
    tbl = swsscommon.Table(self.cfg_db, tbl_name)
    tbl._del(interface)
    time.sleep(1)
    if cfg_tbl is not None:
        tbl = swsscommon.Table(self.cfg_db, cfg_tbl)
        tbl._del(cfg_key)
        time.sleep(1)