OrdersDelete

//+------------------------------------------------------------------+
//|                                                 OrdersDelete.mq5 |
//|                                                        Pocrovsky |
//|                                             https://www.mql5.com |
//+------------------------------------------------------------------+
#property copyright "Pocrovsky"
#property link      "https://www.mql5.com"
#property version   "1.00"
//+------------------------------------------------------------------+
//| Script program start function                                    |
//+------------------------------------------------------------------+
#include<Trade\Trade.mqh>
CTrade  trade;

void OnStart()
  {
//--- 
     (PositionSelect(Symbol()));
      int ord_total=OrdersTotal();
      for(int i=ord_total-1;i>=0;i--)
        {
         ulong ticket=OrderGetTicket(i);
         if(OrderSelect(ticket) && OrderGetString(ORDER_SYMBOL)==Symbol())
           {
            CTrade *trade=new CTrade();
            trade.OrderDelete(ticket);
            delete trade;
           }
        }
     
  }
//+------------------------------------------------------------------+