components: Tooltip never disappears after opening

Bug, feature request, or proposal:

Bug with my dependencies may be… or @angular/animations

What is the expected behavior?

Tooltip should disappear after the hideDelay

What is the current behavior?

Tooltip NOT disappear after the hideDelay

What are the steps to reproduce?

Same of material2 official doc Providing a Plunker (or similar) is the best way to get the team to see your issue.

Works with this version. Plunker template: http://plnkr.co/edit/pr4AFA06aURbMxYI77BK?p=preview

Not works with this dependencies :

What is the use-case or motivation for changing an existing behavior?

N/A

Which versions of Angular, Material, OS, browsers are affected?

` … “@angular/common”: “4.0.0-rc.1”, “@angular/compiler”: “4.0.0-rc.1”, “@angular/core”: “4.0.0-rc.1”, “@angular/flex-layout”: “2.0.0-rc.1”, “@angular/forms”: “4.0.0-rc.1”, “@angular/http”: “4.0.0-rc.1”, “@angular/material”: “2.0.0-beta.2”, … “@angular/cli”: “1.0.0-rc.0”, “@angular/compiler-cli”: “4.0.0-rc.1”, “typescript”: “2.2.1” …

`

Is there anything else we should know?

I post my problem here : https://gitter.im/angular/material2.

I imported @angular/animations.
But nothing change.
Is it necessary that I import it in my code or angular does it alone ?

Thanks.