diff --git a/wp-admin/edit-form-blocks.php b/wp-admin/edit-form-blocks.php
index 3e4fd40e7f..03f80700ba 100644
--- a/wp-admin/edit-form-blocks.php
+++ b/wp-admin/edit-form-blocks.php
@@ -32,6 +32,11 @@ $current_screen->is_block_editor( true );
  */
 remove_action( 'admin_print_scripts', 'print_emoji_detection_script' );
 
+/*
+ * Block editor implements its own Options menu for toggling Document Panels.
+ */
+add_filter( 'screen_options_show_screen', '__return_false' );
+
 wp_enqueue_script( 'heartbeat' );
 wp_enqueue_script( 'wp-edit-post' );
 wp_enqueue_script( 'wp-format-library' );
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 181fbf4aeb..e83e62f68d 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.6-alpha-49039';
+$wp_version = '5.6-alpha-49040';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.