[Q] Remove background under icon in notification panel topic

Hello,
I need change or delete background under icon in notification panel, because it's very ugly on Cubot X6 Stock ROM (4.4.2).
I tried to find some xposed app or something but not succesfully, any idea how to remove it?
Thanks

i.imgur.com/ckFDxt7.jpg
This ugly stripped background under icon...
(Sorry I can't add image normally, I'm new user)