Delete radio0 point TL-WN851ND

Hi, just want make my OpenWrt Build looks perfect, is there ways to just delete radio0 point? Why it's even was created? When i try use it, it does not even work as a scan.
Hardware: TL-WN851ND
Driver: kmod-ath9k

It's not bother me as a trouble, just maybe some1 know how to delete it? Thanks for any help!