SharePoint 2013 – hide the suite links box using CSS
I have been asked if it is possible to hide the Yammer, OneDrive and Sites links at the top of a particular site (without disabling them completely):
An easy way to achieve this is by placing a Script Editor web part on the page and inserting the following code to hide the Suite Links Box:
<Style>
#suiteLinksBox {display:none}
</Style>
Now the links are hidden: