EnableViewState="true" ViewStateMode="Disabled" in MasterPage

I have in the master page
<%@ Master Language="C#" AutoEventWireup="true" EnableViewState="true" ViewStateMode="Disabled" CodeBehind="Site.master.cs" Inherits="Testing.SiteMaster" %> and I have in other page
<%@ Page Language="C#"AutoEventWireup="true" EnableViewState="true" ViewStateMode="Disabled" CodeBehind< ...