There are two methods available to remove RTAS Plug-ins.
Open the RTAS Tool by using any of these methods:
Tools Menu | RTAS
Right-click on an audio Track Selector and choose RTAS Tool
Click on one of the five RTAS Insert Buttons found in the Track Control Panel
In the RTAS Tool, Select a Track from the pull-down menu.
Select an insert (that is, a though e).
From the Select Plug-In pull-down menu, choose No Insert.
Right-click on an Audio Track Selector and choose RTAS Effects.
From the Submenu, select Remove All.