- Edit the membership form part
- Mark the Show Current Membership(s) box
- Select the membership you don't want members to be able to join from Membership Category drop down menu
- Click the Remove button
- To keep users from renewing membership as well, unmark all of the checkboxes for Renew for the memberships.
- Click Save
Now all of the current memberships will display for the logged in user, but no new members will be able to join that membership.