It is possible to remove multiple post in your WordPress dashboard. You can also remove selected posts with just a few clicks.1.
Login to your WordPress admin dashboard.2.
Under the dashboard menu, hover your mouse over Posts
and click on "All Posts
Tickmark the top checkbox and all checkboxes will be automatically selected.4.
Now click on "Bulk Actions
" and select "Move to Trash
" from the drop-down menu. Then click on "Apply
It's done. Your post is removed and no longer available for public view.