Index: src/wp-content/themes/twentytwentyone/assets/sass/06-components/widgets.scss
===================================================================
--- src/wp-content/themes/twentytwentyone/assets/sass/06-components/widgets.scss	(revision 50555)
+++ src/wp-content/themes/twentytwentyone/assets/sass/06-components/widgets.scss	(working copy)
@@ -121,6 +121,6 @@
 	}
 }
 
-.widget_rss a.rsswidget .rss-widget-icon {
+.widget_rss .widget-title a.rsswidget:first-of-type {
 	display: none;
 }