Help in the Menu Bar | Plugins... () or click on Plugins () in the Toolbar
This will open the dialog shown in figure 28.2.
Installed plugins and modules are shown in this dialog. To uninstall, click on the item in the list to uninstall and click on the Uninstall button.
When you close the dialog, you will be asked whether you wish to restart the Workbench. Plugins and modules are not uninstalled until the Workbench is restarted.
If you do not wish to completely uninstall a plugin or module, but do not want it to be loaded the next time you start the Workbench, click the Disable button.