To remove attachments (video, audio or hyperlink) from a card, sign in to your TalentCards account, go to the Card Sets (1) tab, and hit the Edit Set button on your preferred card set.
Select a card with attachments. A Remove Attachments (2) button appears on the editor's right panel.
Click on it, and an "X" button will appear on top of each of your attachments' icons (3). Click on it to remove an attachment. Hit the Finish Editing (4) button to save your changes.