How to hide a sub site from table of contents web part in sharepoint

Here assume a sitauation that you dont want some of your subsite appear in your table
of contents web part.

You have go to
--> Site "Settings"
--> "Modify all site settings"
--> Click "Navigation" under "Look and Feel"
--> Go to Current Navigation
--> Select the sub site that you do not want
--> Click "Hide"
--> Click "OK"
--> Go to the page where you have the table of content web part & refresh

Now see your sub site won't there