[squid-users] x-cache header

squid running stable and we don't need the x-cache(or perhaps hide the
proxy)..
is it ok to remove from the source code?
i'm minimising the acl therefore I coudnt use header_access.

by the way how many percent would reduce if we use external acl?
where:
cpu usage: [mrtg:40] [top:60]

acl src all
acl localnet [ip]/CIDR # {about 8 lines of these}
acl deny all
nothing more about acl....

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