diff --git a/CM2005 Object Oriented Programming/Topic 4/4.4.13/main.cpp b/CM2005 Object Oriented Programming/Topic 4/4.4.13/main.cpp
index 53fc76e..3865762 100644
--- a/CM2005 Object Oriented Programming/Topic 4/4.4.13/main.cpp	
+++ b/CM2005 Object Oriented Programming/Topic 4/4.4.13/main.cpp	
@@ -7,50 +7,6 @@
 
 int main()
 {
-
     MerkelMain app{};
     app.init();
-
-}
-
-
-
-
-
-
-//     std::vector<OrderBookEntry> orders;
-
-//     orders.push_back(  OrderBookEntry{1000, 
-//                           0.02, 
-//                         "2020/03/17 17:01:24.884492", 
-//                         "BTC/USDT", 
-//                         OrderBookType::bid}    );
-
-//     orders.push_back(  OrderBookEntry{2000, 
-//                           0.02, 
-//                         "2020/03/17 17:01:24.884492", 
-//                         "BTC/USDT", 
-//                         OrderBookType::bid}    );
-        
-
-//    // std::cout << "The price is " << orders[1].price << std::endl;
-
-//     for (OrderBookEntry& order : orders)
-//     {
-//         std::cout << "The price is " << order.price << std::endl;
-//     }
-
-//     for (unsigned int i = 0; i < orders.size() ; ++i)
-//     {
-//         std::cout << "The price is " << orders[i].price << std::endl;
-//     }
-
-//     for (unsigned int i = 0; i < orders.size() ; ++i)
-//     {
-//         std::cout << "The price is " << orders.at(i).price << std::endl;
-//     }
-
-
-
-
- 
+}
\ No newline at end of file