Click the Settings Cog.
Select Stream Administration under Posts.
Select multiple posts, by clicking either the post selection icons or Select All button.
Click the caret on the Bulk Actions Button and select Delete.
Confirm by clicking Delete.
Click the Settings Cog.
Select Stream Administration under Posts.
Select multiple posts, by clicking either the post selection icons or Select All button.
Click the caret on the Bulk Actions Button and select Delete.
Confirm by clicking Delete.