public static byte[] removeNPCController(int objectid) {
            MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();

            mplew.writeShort(SendPacketOpcode.SPAWN_NPC_REQUEST_CONTROLLER.getValue());
            mplew.write(0);
            mplew.writeInt(objectid);


            return mplew.getPacket();
        }