Index: src/wp-admin/includes/class-wp-plugin-install-list-table.php
===================================================================
--- src/wp-admin/includes/class-wp-plugin-install-list-table.php	(revision 35983)
+++ src/wp-admin/includes/class-wp-plugin-install-list-table.php	(working copy)
@@ -526,7 +526,7 @@
 			<div class="plugin-card-bottom">
 				<div class="vers column-rating">
 					<?php wp_star_rating( array( 'rating' => $plugin['rating'], 'type' => 'percent', 'number' => $plugin['num_ratings'] ) ); ?>
-					<span class="num-ratings">(<?php echo number_format_i18n( $plugin['num_ratings'] ); ?>)</span>
+					<span class="num-ratings" aria-hidden="true">(<?php echo number_format_i18n( $plugin['num_ratings'] ); ?>)</span>
 				</div>
 				<div class="column-updated">
 					<strong><?php _e( 'Last Updated:' ); ?></strong> <?php printf( __( '%s ago' ), human_time_diff( $last_updated_timestamp ) ); ?>
Index: src/wp-admin/includes/plugin-install.php
===================================================================
--- src/wp-admin/includes/plugin-install.php	(revision 35983)
+++ src/wp-admin/includes/plugin-install.php	(working copy)
@@ -572,7 +572,7 @@
 		<?php if ( ! empty( $api->rating ) ) { ?>
 		<h3><?php _e( 'Average Rating' ); ?></h3>
 		<?php wp_star_rating( array( 'rating' => $api->rating, 'type' => 'percent', 'number' => $api->num_ratings ) ); ?>
-		<small><?php printf( _n( '(based on %s rating)', '(based on %s ratings)', $api->num_ratings ), number_format_i18n( $api->num_ratings ) ); ?></small>
+		<small aria-hidden="true"><?php printf( _n( '(based on %s rating)', '(based on %s ratings)', $api->num_ratings ), number_format_i18n( $api->num_ratings ) ); ?></small>
 		<?php }
 
 		if ( ! empty( $api->ratings ) && array_sum( (array) $api->ratings ) > 0 ) {
Index: src/wp-admin/includes/template.php
===================================================================
--- src/wp-admin/includes/template.php	(revision 35983)
+++ src/wp-admin/includes/template.php	(working copy)
@@ -8,10 +8,10 @@
  * @subpackage Administration
  */
 
-/** Walker_Category_Checklist class */ 
+/** Walker_Category_Checklist class */
 require_once( ABSPATH . 'wp-admin/includes/class-walker-category-checklist.php' );
 
-/** WP_Internal_Pointers class */ 
+/** WP_Internal_Pointers class */
 require_once( ABSPATH . 'wp-admin/includes/class-wp-internal-pointers.php' );
 
 //
@@ -2054,7 +2054,7 @@
 		$title = sprintf( __( '%s rating' ), number_format_i18n( $rating, 1 ) );
 	}
 
-	$output = '<div class="star-rating" title="' . esc_attr( $title ) . '">';
+	$output = '<div class="star-rating">';
 	$output .= '<span class="screen-reader-text">' . $title . '</span>';
 	$output .= str_repeat( '<div class="star star-full"></div>', $full_stars );
 	$output .= str_repeat( '<div class="star star-half"></div>', $half_stars );
Index: src/wp-admin/theme-install.php
===================================================================
--- src/wp-admin/theme-install.php	(revision 35983)
+++ src/wp-admin/theme-install.php	(working copy)
@@ -259,7 +259,7 @@
 					<# if ( data.rating ) { #>
 						<div class="theme-rating">
 							{{{ data.stars }}}
-							<span class="num-ratings">({{ data.num_ratings }})</span>
+							<span class="num-ratings" aria-hidden="true">({{ data.num_ratings }})</span>
 						</div>
 					<# } else { #>
 						<span class="no-rating"><?php _e( 'This theme has not been rated yet.' ); ?></span>