1. Navigate to https://app.1rink.com and Navigate to your Team Portal

2. Click here to access your Team Portal Settings

3. Click here to enter your Roster Screen

4. Click here on the Trash Can Symbol beside any player's email address to remove them from the Roster

5. Click "Yes" to confirm removing player from the Roster

Alert: Note you still have to Remove the Player from the Team Portal as well
Using these steps
https://support.1rink.com/portal/en/kb/articles/removing-a-portal-member-from-a-team-portal