def METHOD_NAME(entity_id):
    """Delete a bookmark.
    ---
    delete:
      summary: Delete bookmark
      tags: [Bookmarks]
      parameters:
        - in: path
          name: entity_id
          description: ID of the bookmarked entitiy
          required: true
          schema:
            type: string
      responses:
        '204':
          description: No content
    """
    require(request.authz.session_write)
    query = Bookmark.query.filter_by(entity_id=entity_id, role_id=request.authz.id)
    query.METHOD_NAME()
    db.session.commit()
    return "", 204