Removing plug-in completes successfully but icons remain

Description
Removing vCenter Plug-in package files completed successfully, but plug-in icons are still visible in the vSphere Web Client.
Corrective action

Log out of the vSphere Web Client and log in again. Closing and re-opening your browser might be required. If logging out of vSphere Web Client does not resolve the issue, it might be necessary to reboot the vCenter server web services.