diff --git a/x-pack/plugins/xpack_main/public/hacks/welcome_banner/opt_in_banner_component.js b/x-pack/plugins/xpack_main/public/hacks/welcome_banner/opt_in_banner_component.js
index bf3e2e3b38ae..805a9541191f 100644
--- a/x-pack/plugins/xpack_main/public/hacks/welcome_banner/opt_in_banner_component.js
+++ b/x-pack/plugins/xpack_main/public/hacks/welcome_banner/opt_in_banner_component.js
@@ -102,7 +102,6 @@ export class OptInBanner extends Component {
           <EuiFlexItem grow={false}>
             <EuiButton
               size="s"
-              fill
               onClick={() => this.props.optInClick(true)}
             >
               Yes