Ion-icon only button showing background in Ionic 4 beta

When adding a icon only button using Ionic v4, the button outline stays with the icon and doesn’t disappear.

<ion-button icon-only item-right (click)="addressSearch()" color="light">
    <ion-icon color="dark" name="search"></ion-icon>


How do we go about fixing this?

Ah. Nevermind. I figured out I don’t need to wrap it in a