AutoComplete not updated

[oixan]

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Plunkr Case (Bug Reports)
http://plnkr.co/edit/ZJSNQG5O3ZRhnCbdHsGR?p=preview <--------- EXAMPLE

Current behavior
If i write some casual text on autocomplete and i reset formcontrolname from the code autocomplete still show the text.

Expected behavior
After reset formcontrlname binded with autocomplete the text shoul disappear

Minimal reproduction of the problem with instructions
Instruction writed on the plunker

Please tell us about your environment:
Angular 4
prime ng 4.1.0 - rc3
In prime ng 4.1.0 - rc2 Seem working as expeted.

[oixan]

thanks