Index: src/wp-content/themes/twentynineteen/inc/template-functions.php
===================================================================
--- src/wp-content/themes/twentynineteen/inc/template-functions.php	(revision 45526)
+++ src/wp-content/themes/twentynineteen/inc/template-functions.php	(working copy)
@@ -205,12 +205,11 @@
 		$nav_menu .= '<div class="main-menu-more">';
 		$nav_menu .= '<ul class="main-menu">';
 		$nav_menu .= '<li class="menu-item menu-item-has-children">';
-		$nav_menu .= '<button class="submenu-expand main-menu-more-toggle is-empty" tabindex="-1" aria-label="More" aria-haspopup="true" aria-expanded="false">';
-		$nav_menu .= '<span class="screen-reader-text">' . esc_html__( 'More', 'twentynineteen' ) . '</span>';
+		$nav_menu .= '<button class="submenu-expand main-menu-more-toggle is-empty" tabindex="-1" aria-label="' . esc_attr__( 'More', 'twentynineteen' ) . '" aria-haspopup="true" aria-expanded="false">';
 		$nav_menu .= twentynineteen_get_icon_svg( 'arrow_drop_down_ellipsis' );
 		$nav_menu .= '</button>';
 		$nav_menu .= '<ul class="sub-menu hidden-links">';
-		$nav_menu .= '<li id="menu-item--1" class="mobile-parent-nav-menu-item menu-item--1">';
+		$nav_menu .= '<li class="mobile-parent-nav-menu-item">';
 		$nav_menu .= '<button class="menu-item-link-return">';
 		$nav_menu .= twentynineteen_get_icon_svg( 'chevron_left' );
 		$nav_menu .= esc_html__( 'Back', 'twentynineteen' );