Removing 'My Sites' and 'My Links' from the SharePoint pages

To remove the 'My Sites' and 'My Links' pages from a site collection pages following approach needs to be followed:
1. Go to Central Admin
2. Go To Shared Services
3. Go to Personalization Services Permissions. This is available in the User Profiles and My Sites Section.
Now this will show all the user/groups. Here the permissions can be modified to hide these links.