Delete Polls

You can edit the page and delete the shortcode for the poll you want to delete. Multiple polls on a single page are numbered, so it should not mess up the other polls.

The results (votes) for the deleted poll stay in the database, there is no option in the plugin to delete them. You can delete it from the database, but directly. In the table polls all the polls are stored and poll_votes stores the answers. Each poll is identified by post_id (the id of the page it is posted on) and poll_id (number of poll on this page).