How to remove Firefox search engines

How to remove search engines from the Firefox search box (this tip is for Windows users. Others should be able to find similar files in their program directory

* Windows users go to C:\Program Files\Mozilla Firefox\searchplugins
* Mac OS X users go to /Applications/
* Linux users go to /usr/lib/firefox-1.0.1/searchplugins
* Each search engine has two files; a .src and either a .png or a .gif file. All you have to do is delete the two files for the search engine you wish to remove (for example google.src and google.gif) and restart Firefox.