AlgoExpert Remove Duplicates from LinkedList

import java.util.*;

class Program {
  // This is an input class. Do not edit.
  public static class LinkedList {
    public int value;
    public LinkedList next;

    public LinkedList(int value) {
      this.value = value;
      this.next = null;
    }
  }

  public LinkedList removeDuplicatesFromLinkedList(LinkedList linkedList) {
    LinkedList root = linkedList;
    while(linkedList.next != null){
      if (linkedList.value == linkedList.next.value){
        if (linkedList.next.next == null){
          linkedList.next = null;
        } else {
          LinkedList tmp = linkedList.next;
          linkedList.next = linkedList.next.next;
          tmp.next = null;
        }
      } else {
        linkedList = linkedList.next;
      }
    }
    return root;
  }
}