Disable or Uninstall Eclipse Plugins (Helios)
To disable eclipse plugins :
Go to window – preferences – General – Startup and Shutdown.
There will be list of installed plugins, if your plugin which you want disable is in the list, simply uncheck the checkboxes.
But if your plugins is not in the list, you must uninstall it. You can uninstall them all by the next procedure:
Help > About Eclipse SDK > Installation Details > Installed Software Tab > Select a plug-in you want to Uninstall > Click Uninstall button at the bottom