Is there any way to disable the shadow from a scrollable centre?

I'm currently tinkering with a setup that will let me have a lot more buttons to play with on my default keyboard, and I love the scrollable centre for how versatile it is. My one complaint is the shadow that the button placed to the right of the centre always casts a shadow over the leftmost centre button (circled below).

This is clearly a feature to let you know that there's a scrollable action available, but I hate how it takes away from the cleanness of the design. Is there any way to disable this shadow?!

Thanks in advance. :blush:

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