diff --git a/src/wp-admin/css/theme.css b/src/wp-admin/css/theme.css
index f694a3a1ae..71c47404bf 100644
--- a/src/wp-admin/css/theme.css
+++ b/src/wp-admin/css/theme.css
@@ -754,9 +754,6 @@ body.theme-overlay-open {
 	.theme:nth-child(4n) {
 		margin-right: 0;
 	}
-	.theme.add-new:after {
-		font-size: 23vw;
-	}
 	.theme-overlay .theme-wrap,
 	.theme-overlay .theme-actions {
 		right: 15%;
@@ -774,9 +771,6 @@ body.theme-overlay-open {
 	.theme:nth-child(odd) {
 		margin-right: 5%;
 	}
-	.theme.add-new:after {
-		font-size: 23vw;
-	}
 }
 /* Mini-sidebar in MP6 */
 @media ( max-width: 900px ) {
@@ -829,9 +823,6 @@ body.theme-overlay-open {
 	.theme:nth-child(3n) {
 		margin-right: 0;
 	}
-	.theme.add-new:after {
-		font-size: 53vw;
-	}
 	.theme-overlay .theme-update,
 	.theme-overlay .theme-description {
 		margin-left: 0;