Make sure you're logged in to Audiomack and go to https://audiomack.com/dashboard/manage. Note: you can only edit uploads on web at Audiomack.com and not in the app. Deleting uploads is permanent and cannot be undone.
Next, Click on the uploads you want to delete using the settings symbol to the right of the title.
Select "Delete Song" and you will be prompted to confirm that you want to delete the item. Remember, deleting uploads is permanent. It cannot be undone.