diff --git a/src/wp-admin/includes/screen.php b/src/wp-admin/includes/screen.php
index 7d4ec88152..ac08274116 100644
--- a/src/wp-admin/includes/screen.php
+++ b/src/wp-admin/includes/screen.php
@@ -1011,11 +1011,10 @@ final class WP_Screen {
 	 * @since 3.3.0
 	 */
 	public function render_screen_options() {
-		global $wp_meta_boxes, $wp_list_table;
+		global $wp_meta_boxes;
 
 		$columns = get_column_headers( $this );
 		$hidden  = get_hidden_columns( $this );
-		$post    = get_post();
 
 		?>
 		<div id="screen-options-wrap" class="hidden" tabindex="-1" aria-label="<?php esc_attr_e('Screen Options Tab'); ?>">