Keep in mind that once an asset is deleted and if it's not use in any story, you won't be able to get it back. 

You will need to go to the collection's details page to remove an asset. To go the collection's detail page: 

  1. Go to your profile's art page
  2. Click on the pencil for the collection you want to edit
  3. Select edit

To remove your asset from Elementari:

  1. Click on the Edit button
  2. Select the assets you want to delete (they should be checked)
  3. Click the Actions button and choose Delete