How to Remove I like it -- Tags and Notes using SharePoint Designer

There are two ways to remove social tags i.e. I like it ---  Tags and Notes

1) go to central admin- Farm Management -- Manage Farm Features-- Deactivate Social Tags and Note Board Ribbon Controls, but it will impact all the web application.

2) using SharePoint Designer open the master page i.e. v4.master and add style="display:none" to the following code.
                                     class="s4-socialdata-notif" style="display: none"                                        SharePoint:DelegateControl ControlId="GlobalSiteLink3" Scope="Farm" runat="server"