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. ( 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"