Ionic beta 2.5 : Erase space left by Navbar


So, i just updated my ionic to beta 2.5 and i start by creating new tab project.

It seems like the Ionic team has changed tab’s position from below into upper.
I don’t quite like the navbar, so i just delete it and this happens :

The tab page still leave some spaces up there.

Can someone please tell me what should i do to move the tab into the most upper position in the app, without leaving spaces ? Thanks