diff --git a/wp-content/themes/twentyeleven/footer.php b/wp-content/themes/twentyeleven/footer.php
index 041ec2822f..7883f14fe7 100644
--- a/wp-content/themes/twentyeleven/footer.php
+++ b/wp-content/themes/twentyeleven/footer.php
@@ -12,7 +12,7 @@
 
 	</div><!-- #main -->
 
-	<footer id="colophon" role="contentinfo">
+	<footer id="colophon">
 
 			<?php
 				/*
diff --git a/wp-content/themes/twentyeleven/header.php b/wp-content/themes/twentyeleven/header.php
index 6047f1111f..02688c6ad5 100644
--- a/wp-content/themes/twentyeleven/header.php
+++ b/wp-content/themes/twentyeleven/header.php
@@ -76,7 +76,7 @@ if ( is_singular() && get_option( 'thread_comments' ) ) {
 <body <?php body_class(); ?>>
 <?php wp_body_open(); ?>
 <div id="page" class="hfeed">
-	<header id="branding" role="banner">
+	<header id="branding">
 			<hgroup>
 				<h1 id="site-title"><span><a href="<?php echo esc_url( home_url( '/' ) ); ?>" rel="home"><?php bloginfo( 'name' ); ?></a></span></h1>
 				<h2 id="site-description"><?php bloginfo( 'description' ); ?></h2>
diff --git a/wp-content/themes/twentyfifteen/404.php b/wp-content/themes/twentyfifteen/404.php
index 43ff16d494..e5ca57380b 100644
--- a/wp-content/themes/twentyfifteen/404.php
+++ b/wp-content/themes/twentyfifteen/404.php
@@ -10,7 +10,7 @@
 get_header(); ?>
 
 	<div id="primary" class="content-area">
-		<main id="main" class="site-main" role="main">
+		<main id="main" class="site-main">
 
 			<section class="error-404 not-found">
 				<header class="page-header">
diff --git a/wp-content/themes/twentyfifteen/archive.php b/wp-content/themes/twentyfifteen/archive.php
index 425a74ac71..9942add271 100644
--- a/wp-content/themes/twentyfifteen/archive.php
+++ b/wp-content/themes/twentyfifteen/archive.php
@@ -19,7 +19,7 @@
 get_header(); ?>
 
 	<section id="primary" class="content-area">
-		<main id="main" class="site-main" role="main">
+		<main id="main" class="site-main">
 
 		<?php if ( have_posts() ) : ?>
 
diff --git a/wp-content/themes/twentyfifteen/footer.php b/wp-content/themes/twentyfifteen/footer.php
index 0265485e48..d66a915693 100644
--- a/wp-content/themes/twentyfifteen/footer.php
+++ b/wp-content/themes/twentyfifteen/footer.php
@@ -12,7 +12,7 @@
 
 	</div><!-- .site-content -->
 
-	<footer id="colophon" class="site-footer" role="contentinfo">
+	<footer id="colophon" class="site-footer">
 		<div class="site-info">
 			<?php
 				/**
diff --git a/wp-content/themes/twentyfifteen/header.php b/wp-content/themes/twentyfifteen/header.php
index 614cca89e2..b6d7535216 100644
--- a/wp-content/themes/twentyfifteen/header.php
+++ b/wp-content/themes/twentyfifteen/header.php
@@ -27,7 +27,7 @@
 	<a class="skip-link screen-reader-text" href="#content"><?php _e( 'Skip to content', 'twentyfifteen' ); ?></a>
 
 	<div id="sidebar" class="sidebar">
-		<header id="masthead" class="site-header" role="banner">
+		<header id="masthead" class="site-header">
 			<div class="site-branding">
 				<?php
 					twentyfifteen_the_custom_logo();
diff --git a/wp-content/themes/twentyfifteen/image.php b/wp-content/themes/twentyfifteen/image.php
index 0b9c4bbb7a..e226a4c6e9 100644
--- a/wp-content/themes/twentyfifteen/image.php
+++ b/wp-content/themes/twentyfifteen/image.php
@@ -10,7 +10,7 @@
 get_header(); ?>
 
 	<div id="primary" class="content-area">
-		<main id="main" class="site-main" role="main">
+		<main id="main" class="site-main">
 
 			<?php
 			// Start the loop.
diff --git a/wp-content/themes/twentyfifteen/index.php b/wp-content/themes/twentyfifteen/index.php
index b8f812786a..a3ffee150c 100644
--- a/wp-content/themes/twentyfifteen/index.php
+++ b/wp-content/themes/twentyfifteen/index.php
@@ -17,7 +17,7 @@
 get_header(); ?>
 
 	<div id="primary" class="content-area">
-		<main id="main" class="site-main" role="main">
+		<main id="main" class="site-main">
 
 		<?php if ( have_posts() ) : ?>
 
diff --git a/wp-content/themes/twentyfifteen/page.php b/wp-content/themes/twentyfifteen/page.php
index 50d0bf1c12..41d74f78c1 100644
--- a/wp-content/themes/twentyfifteen/page.php
+++ b/wp-content/themes/twentyfifteen/page.php
@@ -14,7 +14,7 @@
 get_header(); ?>
 
 	<div id="primary" class="content-area">
-		<main id="main" class="site-main" role="main">
+		<main id="main" class="site-main">
 
 		<?php
 		// Start the loop.
diff --git a/wp-content/themes/twentyfifteen/search.php b/wp-content/themes/twentyfifteen/search.php
index f8729f8fe6..dc1206e895 100644
--- a/wp-content/themes/twentyfifteen/search.php
+++ b/wp-content/themes/twentyfifteen/search.php
@@ -10,7 +10,7 @@
 get_header(); ?>
 
 	<section id="primary" class="content-area">
-		<main id="main" class="site-main" role="main">
+		<main id="main" class="site-main">
 
 		<?php if ( have_posts() ) : ?>
 
diff --git a/wp-content/themes/twentyfifteen/single.php b/wp-content/themes/twentyfifteen/single.php
index 2a4bb89366..be1476e5fc 100644
--- a/wp-content/themes/twentyfifteen/single.php
+++ b/wp-content/themes/twentyfifteen/single.php
@@ -10,7 +10,7 @@
 get_header(); ?>
 
 	<div id="primary" class="content-area">
-		<main id="main" class="site-main" role="main">
+		<main id="main" class="site-main">
 
 		<?php
 		// Start the loop.
diff --git a/wp-content/themes/twentyfourteen/footer.php b/wp-content/themes/twentyfourteen/footer.php
index c3540bf5bb..cb08f682a1 100644
--- a/wp-content/themes/twentyfourteen/footer.php
+++ b/wp-content/themes/twentyfourteen/footer.php
@@ -12,7 +12,7 @@
 
 		</div><!-- #main -->
 
-		<footer id="colophon" class="site-footer" role="contentinfo">
+		<footer id="colophon" class="site-footer">
 
 			<?php get_sidebar( 'footer' ); ?>
 
diff --git a/wp-content/themes/twentyfourteen/header.php b/wp-content/themes/twentyfourteen/header.php
index f7509323ef..cc272438ff 100644
--- a/wp-content/themes/twentyfourteen/header.php
+++ b/wp-content/themes/twentyfourteen/header.php
@@ -41,7 +41,7 @@
 	</div>
 	<?php endif; ?>
 
-	<header id="masthead" class="site-header" role="banner">
+	<header id="masthead" class="site-header">
 		<div class="header-main">
 			<h1 class="site-title"><a href="<?php echo esc_url( home_url( '/' ) ); ?>" rel="home"><?php bloginfo( 'name' ); ?></a></h1>
 
diff --git a/wp-content/themes/twentynineteen/template-parts/footer/footer-widgets.php b/wp-content/themes/twentynineteen/template-parts/footer/footer-widgets.php
index d66183f816..992fb46fc7 100644
--- a/wp-content/themes/twentynineteen/template-parts/footer/footer-widgets.php
+++ b/wp-content/themes/twentynineteen/template-parts/footer/footer-widgets.php
@@ -9,7 +9,7 @@
 
 if ( is_active_sidebar( 'sidebar-1' ) ) : ?>
 
-	<aside class="widget-area" role="complementary" aria-label="<?php esc_attr_e( 'Footer', 'twentynineteen' ); ?>">
+	<aside class="widget-area" aria-label="<?php esc_attr_e( 'Footer', 'twentynineteen' ); ?>">
 		<?php
 		if ( is_active_sidebar( 'sidebar-1' ) ) {
 			?>
diff --git a/wp-content/themes/twentyseventeen/404.php b/wp-content/themes/twentyseventeen/404.php
index 3bbae9567a..2807db1a88 100644
--- a/wp-content/themes/twentyseventeen/404.php
+++ b/wp-content/themes/twentyseventeen/404.php
@@ -14,7 +14,7 @@ get_header(); ?>
 
 <div class="wrap">
 	<div id="primary" class="content-area">
-		<main id="main" class="site-main" role="main">
+		<main id="main" class="site-main">
 
 			<section class="error-404 not-found">
 				<header class="page-header">
diff --git a/wp-content/themes/twentyseventeen/archive.php b/wp-content/themes/twentyseventeen/archive.php
index 574efd37c7..05737b24c2 100644
--- a/wp-content/themes/twentyseventeen/archive.php
+++ b/wp-content/themes/twentyseventeen/archive.php
@@ -24,7 +24,7 @@ get_header(); ?>
 	<?php endif; ?>
 
 	<div id="primary" class="content-area">
-		<main id="main" class="site-main" role="main">
+		<main id="main" class="site-main">
 
 		<?php
 		if ( have_posts() ) :
diff --git a/wp-content/themes/twentyseventeen/footer.php b/wp-content/themes/twentyseventeen/footer.php
index e47804d086..7bc9acee10 100644
--- a/wp-content/themes/twentyseventeen/footer.php
+++ b/wp-content/themes/twentyseventeen/footer.php
@@ -16,7 +16,7 @@
 
 		</div><!-- #content -->
 
-		<footer id="colophon" class="site-footer" role="contentinfo">
+		<footer id="colophon" class="site-footer">
 			<div class="wrap">
 				<?php
 				get_template_part( 'template-parts/footer/footer', 'widgets' );
diff --git a/wp-content/themes/twentyseventeen/front-page.php b/wp-content/themes/twentyseventeen/front-page.php
index 225792677f..ceeb10037c 100644
--- a/wp-content/themes/twentyseventeen/front-page.php
+++ b/wp-content/themes/twentyseventeen/front-page.php
@@ -15,7 +15,7 @@
 get_header(); ?>
 
 <div id="primary" class="content-area">
-	<main id="main" class="site-main" role="main">
+	<main id="main" class="site-main">
 
 		<?php
 		// Show the selected front page content.
diff --git a/wp-content/themes/twentyseventeen/header.php b/wp-content/themes/twentyseventeen/header.php
index c041fd0779..5a8e88879f 100644
--- a/wp-content/themes/twentyseventeen/header.php
+++ b/wp-content/themes/twentyseventeen/header.php
@@ -27,7 +27,7 @@
 <div id="page" class="site">
 	<a class="skip-link screen-reader-text" href="#content"><?php _e( 'Skip to content', 'twentyseventeen' ); ?></a>
 
-	<header id="masthead" class="site-header" role="banner">
+	<header id="masthead" class="site-header">
 
 		<?php get_template_part( 'template-parts/header/header', 'image' ); ?>
 
diff --git a/wp-content/themes/twentyseventeen/index.php b/wp-content/themes/twentyseventeen/index.php
index 5df8f0231f..21964295f1 100644
--- a/wp-content/themes/twentyseventeen/index.php
+++ b/wp-content/themes/twentyseventeen/index.php
@@ -29,7 +29,7 @@ get_header(); ?>
 	<?php endif; ?>
 
 	<div id="primary" class="content-area">
-		<main id="main" class="site-main" role="main">
+		<main id="main" class="site-main">
 
 			<?php
 			if ( have_posts() ) :
diff --git a/wp-content/themes/twentyseventeen/page.php b/wp-content/themes/twentyseventeen/page.php
index fee6a8e49c..c0d41caace 100644
--- a/wp-content/themes/twentyseventeen/page.php
+++ b/wp-content/themes/twentyseventeen/page.php
@@ -19,7 +19,7 @@ get_header(); ?>
 
 <div class="wrap">
 	<div id="primary" class="content-area">
-		<main id="main" class="site-main" role="main">
+		<main id="main" class="site-main">
 
 			<?php
 			while ( have_posts() ) :
diff --git a/wp-content/themes/twentyseventeen/search.php b/wp-content/themes/twentyseventeen/search.php
index ee62b22112..248e387ff5 100644
--- a/wp-content/themes/twentyseventeen/search.php
+++ b/wp-content/themes/twentyseventeen/search.php
@@ -28,7 +28,7 @@ get_header(); ?>
 	</header><!-- .page-header -->
 
 	<div id="primary" class="content-area">
-		<main id="main" class="site-main" role="main">
+		<main id="main" class="site-main">
 
 		<?php
 		if ( have_posts() ) :
diff --git a/wp-content/themes/twentyseventeen/sidebar.php b/wp-content/themes/twentyseventeen/sidebar.php
index 8233b23357..2aaf97c66f 100644
--- a/wp-content/themes/twentyseventeen/sidebar.php
+++ b/wp-content/themes/twentyseventeen/sidebar.php
@@ -15,6 +15,6 @@ if ( ! is_active_sidebar( 'sidebar-1' ) ) {
 }
 ?>
 
-<aside id="secondary" class="widget-area" role="complementary" aria-label="<?php esc_attr_e( 'Blog Sidebar', 'twentyseventeen' ); ?>">
+<aside id="secondary" class="widget-area" aria-label="<?php esc_attr_e( 'Blog Sidebar', 'twentyseventeen' ); ?>">
 	<?php dynamic_sidebar( 'sidebar-1' ); ?>
 </aside><!-- #secondary -->
diff --git a/wp-content/themes/twentyseventeen/single.php b/wp-content/themes/twentyseventeen/single.php
index 541e2d24a9..9f8bcf0a76 100644
--- a/wp-content/themes/twentyseventeen/single.php
+++ b/wp-content/themes/twentyseventeen/single.php
@@ -14,7 +14,7 @@ get_header(); ?>
 
 <div class="wrap">
 	<div id="primary" class="content-area">
-		<main id="main" class="site-main" role="main">
+		<main id="main" class="site-main">
 
 			<?php
 			// Start the Loop.
diff --git a/wp-content/themes/twentyseventeen/template-parts/footer/footer-widgets.php b/wp-content/themes/twentyseventeen/template-parts/footer/footer-widgets.php
index 68ad2165b1..fa675edcaa 100644
--- a/wp-content/themes/twentyseventeen/template-parts/footer/footer-widgets.php
+++ b/wp-content/themes/twentyseventeen/template-parts/footer/footer-widgets.php
@@ -15,7 +15,7 @@ if ( is_active_sidebar( 'sidebar-2' ) ||
 	is_active_sidebar( 'sidebar-3' ) ) :
 	?>
 
-	<aside class="widget-area" role="complementary" aria-label="<?php esc_attr_e( 'Footer', 'twentyseventeen' ); ?>">
+	<aside class="widget-area" aria-label="<?php esc_attr_e( 'Footer', 'twentyseventeen' ); ?>">
 		<?php
 		if ( is_active_sidebar( 'sidebar-2' ) ) {
 			?>
diff --git a/wp-content/themes/twentysixteen/404.php b/wp-content/themes/twentysixteen/404.php
index 59907be91d..bb122f2f41 100644
--- a/wp-content/themes/twentysixteen/404.php
+++ b/wp-content/themes/twentysixteen/404.php
@@ -10,7 +10,7 @@
 get_header(); ?>
 
 	<div id="primary" class="content-area">
-		<main id="main" class="site-main" role="main">
+		<main id="main" class="site-main">
 
 			<section class="error-404 not-found">
 				<header class="page-header">
diff --git a/wp-content/themes/twentysixteen/archive.php b/wp-content/themes/twentysixteen/archive.php
index 68a97fc537..d332049273 100644
--- a/wp-content/themes/twentysixteen/archive.php
+++ b/wp-content/themes/twentysixteen/archive.php
@@ -19,7 +19,7 @@
 get_header(); ?>
 
 	<div id="primary" class="content-area">
-		<main id="main" class="site-main" role="main">
+		<main id="main" class="site-main">
 
 		<?php if ( have_posts() ) : ?>
 
diff --git a/wp-content/themes/twentysixteen/footer.php b/wp-content/themes/twentysixteen/footer.php
index 985cab39b7..b931ef826a 100644
--- a/wp-content/themes/twentysixteen/footer.php
+++ b/wp-content/themes/twentysixteen/footer.php
@@ -12,7 +12,7 @@
 
 		</div><!-- .site-content -->
 
-		<footer id="colophon" class="site-footer" role="contentinfo">
+		<footer id="colophon" class="site-footer">
 			<?php if ( has_nav_menu( 'primary' ) ) : ?>
 				<nav class="main-navigation" aria-label="<?php esc_attr_e( 'Footer Primary Menu', 'twentysixteen' ); ?>">
 					<?php
diff --git a/wp-content/themes/twentysixteen/header.php b/wp-content/themes/twentysixteen/header.php
index 4e4d01f0ed..6bfc7006d1 100644
--- a/wp-content/themes/twentysixteen/header.php
+++ b/wp-content/themes/twentysixteen/header.php
@@ -27,7 +27,7 @@
 	<div class="site-inner">
 		<a class="skip-link screen-reader-text" href="#content"><?php _e( 'Skip to content', 'twentysixteen' ); ?></a>
 
-		<header id="masthead" class="site-header" role="banner">
+		<header id="masthead" class="site-header">
 			<div class="site-header-main">
 				<div class="site-branding">
 					<?php twentysixteen_the_custom_logo(); ?>
diff --git a/wp-content/themes/twentysixteen/image.php b/wp-content/themes/twentysixteen/image.php
index 5929161a3c..2f18cd5566 100644
--- a/wp-content/themes/twentysixteen/image.php
+++ b/wp-content/themes/twentysixteen/image.php
@@ -10,7 +10,7 @@
 get_header(); ?>
 
 	<div id="primary" class="content-area">
-		<main id="main" class="site-main" role="main">
+		<main id="main" class="site-main">
 
 			<?php
 			// Start the loop.
diff --git a/wp-content/themes/twentysixteen/index.php b/wp-content/themes/twentysixteen/index.php
index 0a1a3e0173..87efb51b60 100644
--- a/wp-content/themes/twentysixteen/index.php
+++ b/wp-content/themes/twentysixteen/index.php
@@ -17,7 +17,7 @@
 get_header(); ?>
 
 	<div id="primary" class="content-area">
-		<main id="main" class="site-main" role="main">
+		<main id="main" class="site-main">
 
 		<?php if ( have_posts() ) : ?>
 
diff --git a/wp-content/themes/twentysixteen/page.php b/wp-content/themes/twentysixteen/page.php
index f5d6b7adb9..496f11d282 100644
--- a/wp-content/themes/twentysixteen/page.php
+++ b/wp-content/themes/twentysixteen/page.php
@@ -14,7 +14,7 @@
 get_header(); ?>
 
 <div id="primary" class="content-area">
-	<main id="main" class="site-main" role="main">
+	<main id="main" class="site-main">
 		<?php
 		// Start the loop.
 		while ( have_posts() ) :
diff --git a/wp-content/themes/twentysixteen/search.php b/wp-content/themes/twentysixteen/search.php
index 37aed86331..f83758e3e9 100644
--- a/wp-content/themes/twentysixteen/search.php
+++ b/wp-content/themes/twentysixteen/search.php
@@ -10,7 +10,7 @@
 get_header(); ?>
 
 	<section id="primary" class="content-area">
-		<main id="main" class="site-main" role="main">
+		<main id="main" class="site-main">
 
 		<?php if ( have_posts() ) : ?>
 
diff --git a/wp-content/themes/twentysixteen/sidebar-content-bottom.php b/wp-content/themes/twentysixteen/sidebar-content-bottom.php
index d561eb7d1d..1e562328a5 100644
--- a/wp-content/themes/twentysixteen/sidebar-content-bottom.php
+++ b/wp-content/themes/twentysixteen/sidebar-content-bottom.php
@@ -13,7 +13,7 @@ if ( ! is_active_sidebar( 'sidebar-2' ) && ! is_active_sidebar( 'sidebar-3' ) )
 
 // If we get this far, we have widgets. Let's do this.
 ?>
-<aside id="content-bottom-widgets" class="content-bottom-widgets" role="complementary">
+<aside id="content-bottom-widgets" class="content-bottom-widgets">
 	<?php if ( is_active_sidebar( 'sidebar-2' ) ) : ?>
 		<div class="widget-area">
 			<?php dynamic_sidebar( 'sidebar-2' ); ?>
diff --git a/wp-content/themes/twentysixteen/sidebar.php b/wp-content/themes/twentysixteen/sidebar.php
index 45aff971ab..291daa062b 100644
--- a/wp-content/themes/twentysixteen/sidebar.php
+++ b/wp-content/themes/twentysixteen/sidebar.php
@@ -9,7 +9,7 @@
 ?>
 
 <?php if ( is_active_sidebar( 'sidebar-1' ) ) : ?>
-	<aside id="secondary" class="sidebar widget-area" role="complementary">
+	<aside id="secondary" class="sidebar widget-area">
 		<?php dynamic_sidebar( 'sidebar-1' ); ?>
 	</aside><!-- .sidebar .widget-area -->
 <?php endif; ?>
diff --git a/wp-content/themes/twentysixteen/single.php b/wp-content/themes/twentysixteen/single.php
index 77a44d8692..dcf1094131 100644
--- a/wp-content/themes/twentysixteen/single.php
+++ b/wp-content/themes/twentysixteen/single.php
@@ -10,7 +10,7 @@
 get_header(); ?>
 
 <div id="primary" class="content-area">
-	<main id="main" class="site-main" role="main">
+	<main id="main" class="site-main">
 		<?php
 		// Start the loop.
 		while ( have_posts() ) :
diff --git a/wp-content/themes/twentythirteen/footer.php b/wp-content/themes/twentythirteen/footer.php
index c4002d644e..5a24fcdf2f 100644
--- a/wp-content/themes/twentythirteen/footer.php
+++ b/wp-content/themes/twentythirteen/footer.php
@@ -11,7 +11,7 @@
 ?>
 
 		</div><!-- #main -->
-		<footer id="colophon" class="site-footer" role="contentinfo">
+		<footer id="colophon" class="site-footer">
 			<?php get_sidebar( 'main' ); ?>
 
 			<div class="site-info">
diff --git a/wp-content/themes/twentythirteen/header.php b/wp-content/themes/twentythirteen/header.php
index a8e5d302f6..d0a843ee1e 100644
--- a/wp-content/themes/twentythirteen/header.php
+++ b/wp-content/themes/twentythirteen/header.php
@@ -33,7 +33,7 @@
 <body <?php body_class(); ?>>
 	<?php wp_body_open(); ?>
 	<div id="page" class="hfeed site">
-		<header id="masthead" class="site-header" role="banner">
+		<header id="masthead" class="site-header">
 			<a class="home-link" href="<?php echo esc_url( home_url( '/' ) ); ?>" title="<?php echo esc_attr( get_bloginfo( 'name', 'display' ) ); ?>" rel="home">
 				<h1 class="site-title"><?php bloginfo( 'name' ); ?></h1>
 				<h2 class="site-description"><?php bloginfo( 'description' ); ?></h2>
diff --git a/wp-content/themes/twentytwelve/header.php b/wp-content/themes/twentytwelve/header.php
index 8a3fbe5038..ff170bf9b7 100644
--- a/wp-content/themes/twentytwelve/header.php
+++ b/wp-content/themes/twentytwelve/header.php
@@ -34,7 +34,7 @@
 <body <?php body_class(); ?>>
 <?php wp_body_open(); ?>
 <div id="page" class="hfeed site">
-	<header id="masthead" class="site-header" role="banner">
+	<header id="masthead" class="site-header">
 		<hgroup>
 			<h1 class="site-title"><a href="<?php echo esc_url( home_url( '/' ) ); ?>" title="<?php echo esc_attr( get_bloginfo( 'name', 'display' ) ); ?>" rel="home"><?php bloginfo( 'name' ); ?></a></h1>
 			<h2 class="site-description"><?php bloginfo( 'description' ); ?></h2>
diff --git a/wp-content/themes/twentytwenty/404.php b/wp-content/themes/twentytwenty/404.php
index 7e7e0cdc6f..77cfd31054 100644
--- a/wp-content/themes/twentytwenty/404.php
+++ b/wp-content/themes/twentytwenty/404.php
@@ -10,7 +10,7 @@
 get_header();
 ?>
 
-<main id="site-content" role="main">
+<main id="site-content">
 
 	<div class="section-inner thin error404-content">
 
diff --git a/wp-content/themes/twentytwenty/footer.php b/wp-content/themes/twentytwenty/footer.php
index afe204b629..65126eb269 100644
--- a/wp-content/themes/twentytwenty/footer.php
+++ b/wp-content/themes/twentytwenty/footer.php
@@ -12,7 +12,7 @@
  */
 
 ?>
-			<footer id="site-footer" role="contentinfo" class="header-footer-group">
+			<footer id="site-footer" class="header-footer-group">
 
 				<div class="section-inner">
 
diff --git a/wp-content/themes/twentytwenty/header.php b/wp-content/themes/twentytwenty/header.php
index 7d57cb75ea..d85a9700e2 100644
--- a/wp-content/themes/twentytwenty/header.php
+++ b/wp-content/themes/twentytwenty/header.php
@@ -30,7 +30,7 @@
 		wp_body_open();
 		?>
 
-		<header id="site-header" class="header-footer-group" role="banner">
+		<header id="site-header" class="header-footer-group">
 
 			<div class="header-inner section-inner">
 
diff --git a/wp-content/themes/twentytwenty/index.php b/wp-content/themes/twentytwenty/index.php
index fb0a5d809a..2efda3596f 100644
--- a/wp-content/themes/twentytwenty/index.php
+++ b/wp-content/themes/twentytwenty/index.php
@@ -17,7 +17,7 @@
 get_header();
 ?>
 
-<main id="site-content" role="main">
+<main id="site-content">
 
 	<?php
 
diff --git a/wp-content/themes/twentytwenty/singular.php b/wp-content/themes/twentytwenty/singular.php
index 857bc6f460..b52ea8ca8d 100644
--- a/wp-content/themes/twentytwenty/singular.php
+++ b/wp-content/themes/twentytwenty/singular.php
@@ -12,7 +12,7 @@
 get_header();
 ?>
 
-<main id="site-content" role="main">
+<main id="site-content">
 
 	<?php
 
diff --git a/wp-content/themes/twentytwenty/template-parts/footer-menus-widgets.php b/wp-content/themes/twentytwenty/template-parts/footer-menus-widgets.php
index ed47a36ea3..948cfd8fd1 100644
--- a/wp-content/themes/twentytwenty/template-parts/footer-menus-widgets.php
+++ b/wp-content/themes/twentytwenty/template-parts/footer-menus-widgets.php
@@ -86,7 +86,7 @@ if ( $has_footer_menu || $has_social_menu || $has_sidebar_1 || $has_sidebar_2 )
 
 			<?php if ( $has_sidebar_1 || $has_sidebar_2 ) { ?>
 
-				<aside class="footer-widgets-outer-wrapper" role="complementary">
+				<aside class="footer-widgets-outer-wrapper">
 
 					<div class="footer-widgets-wrapper">
 
diff --git a/wp-content/themes/twentytwenty/templates/template-cover.php b/wp-content/themes/twentytwenty/templates/template-cover.php
index 20e20cf51d..f527167d8c 100644
--- a/wp-content/themes/twentytwenty/templates/template-cover.php
+++ b/wp-content/themes/twentytwenty/templates/template-cover.php
@@ -11,7 +11,7 @@
 get_header();
 ?>
 
-<main id="site-content" role="main">
+<main id="site-content">
 
 	<?php
 
diff --git a/wp-content/themes/twentytwentyone/footer.php b/wp-content/themes/twentytwentyone/footer.php
index 63ecd99ac0..eac1082932 100644
--- a/wp-content/themes/twentytwentyone/footer.php
+++ b/wp-content/themes/twentytwentyone/footer.php
@@ -18,7 +18,7 @@
 
 	<?php get_template_part( 'template-parts/footer/footer-widgets' ); ?>
 
-	<footer id="colophon" class="site-footer" role="contentinfo">
+	<footer id="colophon" class="site-footer">
 
 		<?php if ( has_nav_menu( 'footer' ) ) : ?>
 			<nav aria-label="<?php esc_attr_e( 'Secondary menu', 'twentytwentyone' ); ?>" class="footer-navigation">
diff --git a/wp-content/themes/twentytwentyone/header.php b/wp-content/themes/twentytwentyone/header.php
index 9e41346468..1e3b588aeb 100644
--- a/wp-content/themes/twentytwentyone/header.php
+++ b/wp-content/themes/twentytwentyone/header.php
@@ -29,4 +29,4 @@
 
 	<div id="content" class="site-content">
 		<div id="primary" class="content-area">
-			<main id="main" class="site-main" role="main">
+			<main id="main" class="site-main">
diff --git a/wp-content/themes/twentytwentyone/template-parts/header/site-header.php b/wp-content/themes/twentytwentyone/template-parts/header/site-header.php
index caa6d46cbf..b0fbbac2d0 100644
--- a/wp-content/themes/twentytwentyone/template-parts/header/site-header.php
+++ b/wp-content/themes/twentytwentyone/template-parts/header/site-header.php
@@ -13,7 +13,7 @@ $wrapper_classes .= ( true === get_theme_mod( 'display_title_and_tagline', true
 $wrapper_classes .= has_nav_menu( 'primary' ) ? ' has-menu' : '';
 ?>
 
-<header id="masthead" class="<?php echo esc_attr( $wrapper_classes ); ?>" role="banner">
+<header id="masthead" class="<?php echo esc_attr( $wrapper_classes ); ?>">
 
 	<?php get_template_part( 'template-parts/header/site-branding' ); ?>
 	<?php get_template_part( 'template-parts/header/site-nav' ); ?>
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 7592d18562..c0877f8c92 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.9-alpha-52012';
+$wp_version = '5.9-alpha-52013';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
