Improved Familiar + Valet archetype?

Deliver Aid (Ex)


This ability replaces speak with animals of its kind.

[I]mproved familiars do not gain the ability to speak with other creatures of their kind […].

Can an Improved Familiar take the Valet archetype?

The Valet archetype is not the only one that replaces that ability, so this question applies to more than just that archetype.