Layout question for AK4396 Dac

This is a cross post, as I asked this question at the other place, but they are a bit reserved at the moment and I need to send in my layout, to get my boards when I am on vacation.

In the attached pic with the schematic the Dac has two pins (17 and 18) right next to each other that are suppose to be tied to the 5V supply.
Each of them seems to need a separate 0.1uf decoupling cap.
Why is it necessary to do that since they are just 2mm apart?
Do I get by with just one cap like on my layout in the pic?

If someone sees any other flaw in the layout, please feel free to command on it.

Greets,
Klaus
 

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