From MozillaZine Knowledge Base
Jump to navigationJump to search


This preference is removed in Firefox 31. An Add-on restoring its functionality is Classic Theme Restorer. An add-on restoring all the close button values is tabs closebuttons restored. An add-on restoring the behavior of value=2 only is No Close Buttons.


Firefox 2.0 introduced a number of refinements to its tabbed browsing UI. Among them was the addition of close buttons on tabs. This preference controls how they can be displayed on tabs.

Possible values and their effects


Display a close button on the active tab only


Display close buttons on all tabs (Default)


Don’t display any close buttons


Display a single close button at the end of the tab strip (Firefox 1.x behavior)


  • This preference does not exist by default in builds earlier than 2.0rc1.

First checked in

2006-06-26 by Seth Spitzer

Has an effect in

  • Mozilla Firefox (nightly branch builds since 2006-06-26; 2.0)

Related bugs

Related preferences