You can delete a page if you no longer need it or if it is not used as the Front Page for your group.
Pages is designed to open to the front page for a group, if there is a front page selected. Click the View All Pages button to select a page from the Pages Index.
Click the Settings icon  and select the Delete link . A pop-up window will appear in your browser.
Note: You will be unable to delete a page if it is used as the Front Page for your group.