Use the instructions in this section to delete a user from a permission set.
To delete users from a permission set:
Navigate to Administration > Security.
The Permission Sets list page appears.
Select the permission set to modify and then select View > Properties > Info.
The Info page appears where you can edit the description or change the class of the permission set.
Click the Permissions tab.
The Permissions page appears.
In the Grant access to section, select the checkbox next to the users to delete.
Click Remove.
Click OK or Cancel.
Click OK to delete the users from the permission set.
Click Cancel to cancel the operation and return to the Permission Sets list page without deleting users from the permission set.