Stories, updates and survey responses are the same thing. If you have permission to, you can delete them one at a time.
Who can delete stories
You can delete any story that you are the author of
If you are an Organisation Admin, you can delete any story within your organisation
You can delete a story from several places:
the Story’s page - Story page
a Timeline that the story appears on - View stories in the Newsfeed or a on a Timeline
a project’s Manage Updates page - Manage a project's stories
Delete a story from the story’s page
Steps
Go to the Story’s page
Press the More Options button
Select Delete
Delete a story that you find on a Timeline
Note: wherever you delete a story from, you are deleting it permanently across the platform
Steps
Go to the story’s page or the timeline that the story is on. (Consider using the Timeline Filters to find the story)
Click the cog icon that appears in the top right corner of the story
The story menu appears
Select Delete
Delete a story from a project’s Manage Updates page
Go to the project’s Manage Updates page
Use the pagination to find the story you want. They are listed in reverse chronological order.
Press the Delete button next to the story