Index: twentynineteen/comments.php
===================================================================
--- twentynineteen/comments.php	(revision 54497)
+++ twentynineteen/comments.php	(working copy)
@@ -89,7 +89,6 @@
 		if ( have_comments() ) :
 			$prev_icon     = twentynineteen_get_icon_svg( 'chevron_left', 22 );
 			$next_icon     = twentynineteen_get_icon_svg( 'chevron_right', 22 );
-			$comments_text = __( 'Comments', 'twentynineteen' );
 			the_comments_navigation(
 				array(
 					'prev_text' => sprintf( '%s <span class="nav-prev-text"><span class="primary-text">%s</span> <span class="secondary-text">%s</span></span>', $prev_icon, __( 'Previous', 'twentynineteen' ), __( 'Comments', 'twentynineteen' ) ),
Index: twentynineteen/inc/template-functions.php
===================================================================
--- twentynineteen/inc/template-functions.php	(revision 54497)
+++ twentynineteen/inc/template-functions.php	(working copy)
@@ -35,7 +35,7 @@
 /**
  * Adds custom class to the array of posts classes.
  */
-function twentynineteen_post_classes( $classes, $css_class, $post_id ) {
+function twentynineteen_post_classes( $classes ) {
 	$classes[] = 'entry';
 
 	return $classes;
@@ -163,7 +163,7 @@
  *
  * @ref https://www.w3.org/WAI/tutorials/menus/flyout/
  */
-function twentynineteen_nav_menu_link_attributes( $atts, $item, $args, $depth ) {
+function twentynineteen_nav_menu_link_attributes( $atts, $item ) {
 
 	// Add [aria-haspopup] and [aria-expanded] to menu items that have children.
 	$item_has_children = in_array( 'menu-item-has-children', $item->classes, true );