diff --git a/wp-includes/block-editor.php b/wp-includes/block-editor.php
index 7b63490a8a..e04b012e7d 100644
--- a/wp-includes/block-editor.php
+++ b/wp-includes/block-editor.php
@@ -287,7 +287,6 @@ function get_legacy_widget_block_editor_settings() {
  * @since 6.0.0
  * @access private
  *
- * @global string     $pagenow    The filename of the current screen.
  * @global WP_Styles  $wp_styles  The WP_Styles current instance.
  * @global WP_Scripts $wp_scripts The WP_Scripts current instance.
  *
@@ -299,7 +298,7 @@ function get_legacy_widget_block_editor_settings() {
  * }
  */
 function _wp_get_iframed_editor_assets() {
-	global $wp_styles, $wp_scripts, $pagenow;
+	global $wp_styles, $wp_scripts;
 
 	// Keep track of the styles and scripts instance to restore later.
 	$current_wp_styles  = $wp_styles;
@@ -329,10 +328,6 @@ function _wp_get_iframed_editor_assets() {
 	// Enqueue the `editorStyle` handles for all core block, and dependencies.
 	wp_enqueue_style( 'wp-edit-blocks' );
 
-	if ( 'site-editor.php' === $pagenow ) {
-		wp_enqueue_style( 'wp-edit-site' );
-	}
-
 	if ( current_theme_supports( 'wp-block-styles' ) ) {
 		wp_enqueue_style( 'wp-block-library-theme' );
 	}
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 43d38528ef..38dd76e972 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.4-beta1-56735';
+$wp_version = '6.4-beta1-56736';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.