How to not show themes from Office.com under Design tab

Some time ago I showed you how to make disappear the built-in themes (see my blog article from December 2012 called Remove the built-in themes from PPT 2010).

In that entry I promised to show you how to make disappear the Office.com themes. Unfortunately I forgot to do it. So here's the procedure.

By default the Office.com themes are shown in Themes group. You can see this because the link Enable Content Updates from Office_com is grey. Grey in this case means it is active.

To change that go to File - Options - click Trust center - click button Trust center options - Privacy options - uncheck Connect to Office.com for updated content when I am connect to the internet.

Now the themes should not be visible.