If you are a blogger everyday and decided to delete unwanted posts at once. You may follow these simple steps to make deleting posts easier
Sign in to Blogger > Blogger Dashboard > Posts
Select the posts you would want to delete. If you want to
delete your draft posts, simply choose Draft, and to delete the posts you’ve
published, choose Published.
Once you have selected the unwanted posts, hit the delete
icon that is seen under the blog title.
A pop-up box will then appear. Click OK button to confirm.Now it’s done.