diff --git a/src/wp-includes/css/buttons.css b/src/wp-includes/css/buttons.css
index bdbb83f26e..de2839b5fc 100644
--- a/src/wp-includes/css/buttons.css
+++ b/src/wp-includes/css/buttons.css
@@ -268,7 +268,6 @@ TABLE OF CONTENTS:
 	background: #0073aa;
 	border-color: #006799;
 	box-shadow: inset 0 2px 0 #006799;
-	vertical-align: top;
 }
 
 .wp-core-ui .button-primary[disabled],