diff --git a/wp-includes/comment-template.php b/wp-includes/comment-template.php
index 766548f6a0..b10fe1415e 100644
--- a/wp-includes/comment-template.php
+++ b/wp-includes/comment-template.php
@@ -2428,6 +2428,15 @@ function comment_form( $args = array(), $post_id = null ) {
 	// Ensure that the filtered args contain all required default values.
 	$args = array_merge( $defaults, $args );
 
+	// Remove aria-describedby from the email field if there's no associated description.
+	if ( false === strpos( $args['comment_notes_before'], 'id="email-notes"' ) ) {
+		$args['fields']['email'] = str_replace(
+			' aria-describedby="email-notes"',
+			'',
+			$args['fields']['email']
+		);
+	}
+
 	/**
 	 * Fires before the comment form.
 	 *
@@ -2509,7 +2518,7 @@ function comment_form( $args = array(), $post_id = null ) {
 
 			endif;
 
-			// Prepare an array of all fields, including the textarea
+			// Prepare an array of all fields, including the textarea.
 			$comment_fields = array( 'comment' => $args['comment_field'] ) + (array) $args['fields'];
 
 			/**
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 62e0a0e8ef..ccafae8091 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.3-alpha-46089';
+$wp_version = '5.3-alpha-46090';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.