To delete comment(s):
1. Navigate to Components-> .Mighty Resources-> Comments in the Joomla global menu. The Comments page appears and displays a list of existing comments.
2. Select the check box corresponding to the comment you want to delete. Click the Delete button  in the toolbar, as shown in the following figure:
3. Click the OK button in the confirmation message box.
The selected comment is deleted.
To delete more than one comment, select the check boxes corresponding to the comments, and click the Delete button in the toolbar.