FYI: Only Forum Moderators or creator of the poll can remove the poll
Step 1: Open your Poll
Step 2: Next to your poll, click on the down arrow, and you can click Remove Poll.
Step 3: Reason is mandate field, please give the appropriate reason for removing the poll
Step 4: Your poll will get replaced with the reason you gave.
You can also remove the poll from ADDA app :
Login to ADDA -> Click on Community -> Polls -> Click on the 3-dot icon next to the poll you want to remove and choose remove -> Give the reason and click on remove.