Use the /polly recurring command
  • Type /polly recurring from Slack and hit enter
  • Follow the link, where you should see all the recurring questions you’ve created.
    schedule recurring question

  • From here, hit the cog icon to edit the question
  • From this view, you should be able to edit, delete, view, and modify your recurring questions (either a single question, or the entire survey). Just hit delete or disable to turn the poll off.