To uninstall the MassTransit Web Client Plug-In, please follow these steps for the platform you are using.
In this section
Uninstalling MassTransit Web Assistant on Microsoft Windows
Uninstalling MassTransit Web Assistant on Windows Vista Without Administrative Privileges
Uninstalling MassTransit Web Assistant on Mac OS X
Uninstalling MassTransit Admin Assistant on Mac OS 10.5 and later
Uninstalling the MassTransit 8.0 Admin and Web Assistant on Mac OS X and later