def remove_duplicates(list1):
    """
    Eliminate duplicates in a sorted list (ascending order).

    Returns a new sorted list with the same elements in list1, but
    with no duplicates.
    """
    unique_list1 = []
    # For every word in the list, compare it against the following word
    for index in range(len(list1)):
        # If it's the last word, or they're different, add the word to the unique list
        if (index == (len(list1) - 1)) or (list1[index] != list1[index + 1]):
            unique_list1.append(list1[index])
    return unique_list1