using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        List<int> list = new List<int>();

        int listIndexToRemove = 4;

        for(int i = 0; i < list.Count; i++)

        {

            if(list[i] == listIndexToRemove)

                list.Remove(list[i]);                                   

        }

    }

}