Ability to disable apps from running in the background. Umm where'd it go?

[anon(5383410)]

On my Icon it was in settings>applications>background tasks. The background tasks option isn't there on the One (feels so weird calling my phone the one).

 

[Zulfigar]

They went to an app called Battery Saver. Welcome to Windows Phone 8.1!

 

[anon(5383410)]

They went to an app called Battery Saver. Welcome to Windows Phone 8.1!

Thanks.