Android : how to delete list view in adapter

help me, i have listview and success delete, but if i insert again, data come back again, how to delete permanent my list?

this code my activity

public class ListPesanan extends ListActivity implements OnItemClickListener {

@Override
protected void onCreate(Bundle savedInstanceState) {
    // TODO Auto-generated method stub
    super.onCreate(savedInstanceState);
    setContentView(R.layout.listview_pemesanan);
    /*
     * Ambil datanya yang ada di database dan serahin ke Adapter biar dia
     * aja yang ngurusin semuanya
     * 
     * Kita percaya aja sama Adapternya :D
     */

    PesananAdapter adapter = new PesananAdapter(this,
            DatabaseTemp.getPesanan(), DatabaseTemp.getJumlah(),
            DatabaseTemp.getBayar());
    setListAdapter(adapter);

    final ListView listView = getListView();
    listView.setOnItemClickListener(this);
    adapter.notifyDataSetChanged();

and this code my adapter

@Override
public View getView(final int position, View view, ViewGroup parent) {
    final ViewHolder holder;

    if (view == null) {
        holder = new ViewHolder();
        view = layoutInflater.inflate(R.layout.pesan_item, parent, false);

        holder.editTextHarga = (EditText) view.findViewById(R.id.editTextHarga);
        holder.editTextJumlah = (EditText) view.findViewById(R.id.editTextJumlah);
        holder.editTextPesanan = (EditText) view.findViewById(R.id.editTextPesanan);
        holder.Hapus = (Button) view.findViewById(R.id.deletebutton);

        if (view != null) {
            view.setTag(holder);
        }
    } else holder = (ViewHolder) view.getTag();

    holder.editTextHarga.setText(hargaPesanan.get(position));
    holder.editTextJumlah.setText(jumlahPesan.get(position));
    holder.editTextPesanan.setText(pesanan.get(position));

    holder.Hapus.setOnClickListener(new OnClickListener(){

        @Override
        public void onClick(View v) {
        pesanan.remove(position);
        jumlahPesan.remove(position);
        hargaPesanan.remove(position);
        notifyDataSetChanged();
        DatabaseTemp.delete();
        }
    });

    return view;
}

pleas help me, sorry for bad english