diff --git a/TransportCompany/TransportCompany/SortableBindingList.cs b/TransportCompany/TransportCompany/SortableBindingList.cs
deleted file mode 100644
index 30ae163..0000000
--- a/TransportCompany/TransportCompany/SortableBindingList.cs
+++ /dev/null
@@ -1,103 +0,0 @@
-using System;
-using System.Collections;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Linq;
-using System.Reflection;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace TransportCompany
-{
-	public class SortableBindingList<T> : BindingList<T>
-	{
-		private bool IsSorted { get; set; }
-
-		private ListSortDirection SortDirection { get; set; }
-
-		private PropertyDescriptor SortProperty { get; set; }
-
-		protected override bool SupportsSortingCore
-		{
-			get
-			{
-				return true;
-			}
-		}
-
-		protected override ListSortDirection SortDirectionCore
-		{
-			get
-			{
-				return SortDirection;
-			}
-		}
-
-		protected override PropertyDescriptor SortPropertyCore
-		{
-			get
-			{
-				return SortProperty;
-			}
-		}
-
-		protected override void ApplySortCore(PropertyDescriptor PDsc, ListSortDirection Direction)
-		{
-			List<T> items = Items as List<T>;
-			if (items is null)
-			{
-				IsSorted = false;
-			}
-			else
-			{
-				var PCom = new PCompare<T>(PDsc.Name, Direction);
-				items.Sort(PCom);
-				IsSorted = true;
-				SortDirection = Direction;
-				SortProperty = PDsc;
-			}
-			OnListChanged(new ListChangedEventArgs(ListChangedType.Reset, -1));
-		}
-
-		protected override bool IsSortedCore
-		{
-			get
-			{
-				return IsSorted;
-			}
-		}
-
-		protected override void RemoveSortCore()
-		{
-			IsSorted = false;
-		}
-
-		#region  Constructors 
-		public SortableBindingList(ICollection<T> list) : base((IList<T>)list)
-		{
-		}
-		public SortableBindingList() : base()
-		{
-		}
-
-		#endregion
-		#region  Property comparer 
-		private class PCompare<T> : IComparer<T>
-		{
-			private PropertyInfo PropInfo { get; set; }
-			private ListSortDirection SortDir { get; set; }
-			internal PCompare(string SortProperty, ListSortDirection SortDirection)
-			{
-				PropInfo = typeof(T).GetProperty(SortProperty);
-				SortDir = SortDirection;
-			}
-			internal int Compare(T x, T y)
-			{
-				return SortDir == ListSortDirection.Ascending ? Comparer.Default.Compare(PropInfo.GetValue(x, null), PropInfo.GetValue(y, null)) : Comparer.Default.Compare(PropInfo.GetValue(y, null), PropInfo.GetValue(x, null));
-			}
-
-			int IComparer<T>.Compare(T x, T y) => Compare(x, y);
-		}
-		#endregion
-	}
-}