Index: twentytwenty/classes/class-twentytwenty-walker-page.php
===================================================================
--- twentytwenty/classes/class-twentytwenty-walker-page.php	(revision 54497)
+++ twentytwenty/classes/class-twentytwenty-walker-page.php	(working copy)
@@ -38,10 +38,8 @@
 
 			if ( isset( $args['item_spacing'] ) && 'preserve' === $args['item_spacing'] ) {
 				$t = "\t";
-				$n = "\n";
 			} else {
 				$t = '';
-				$n = '';
 			}
 			if ( $depth ) {
 				$indent = str_repeat( $t, $depth );
Index: twentytwenty/inc/template-tags.php
===================================================================
--- twentytwenty/inc/template-tags.php	(revision 54497)
+++ twentytwenty/inc/template-tags.php	(working copy)
@@ -329,7 +329,6 @@
 		// Make sure we don't output an empty container.
 		$has_meta = false;
 
-		global $post;
 		$the_post = get_post( $post_id );
 		setup_postdata( $the_post );
 
@@ -526,7 +525,7 @@
  * @param int      $current_page ID of the current page.
  * @return array CSS class names.
  */
-function twentytwenty_filter_wp_list_pages_item_classes( $css_class, $page, $depth, $args, $current_page ) {
+function twentytwenty_filter_wp_list_pages_item_classes( $css_class, $page, $depth, $args ) {
 
 	// Only apply to wp_list_pages() calls with match_menu_classes set to true.
 	$match_menu_classes = isset( $args['match_menu_classes'] );
@@ -561,7 +560,7 @@
  * @param int      $depth Depth of menu item. Used for padding.
  * @return stdClass An object of wp_nav_menu() arguments.
  */
-function twentytwenty_add_sub_toggles_to_main_menu( $args, $item, $depth ) {
+function twentytwenty_add_sub_toggles_to_main_menu( $args, $item ) {
 
 	// Add sub menu toggles to the Expanded Menu with toggles.
 	if ( isset( $args->show_toggles ) && $args->show_toggles ) {