How can I remove the arrow from drop down list in Bootstrap CSS?

From: https://getbootstrap.com/2.3.2/components.html#buttonDropdowns

<div class="btn-group">
  <a class="btn dropdown-toggle" data-toggle="dropdown" href="#">
    Action
    <span class="caret"></span>
  </a>
  <ul class="dropdown-menu">
    <!-- dropdown menu links -->
  </ul>
</div>

If you remove <span class="caret"></span> the arrow is not shown.

Tried it using the dev. console in Chrome, and seems to work.

Removing the caret class from the link removes the arrow from the navigation bar,

.dropdown-menu::before, 
.dropdown-menu::after {
    border: none;
    content: none;
}

Will remove the little tab from the drop down menu its self.

If you copy an existing Bootstrap dropdown example, the menu button tag looks something like this:

<button class="btn btn-primary dropdown-toggle" type="button" data-toggle="dropdown">Menu Name</button>

Removing the dropdown-toggle class removes the arrow (or caret):

<button class="btn btn-primary" type="button" data-toggle="dropdown">Menu Name</button>