diff --git a/lib/compat/wordpress-6.1/get-global-styles-and-settings.php b/lib/compat/wordpress-6.1/get-global-styles-and-settings.php
index a9f41156d25576..c5aee26df577f2 100644
--- a/lib/compat/wordpress-6.1/get-global-styles-and-settings.php
+++ b/lib/compat/wordpress-6.1/get-global-styles-and-settings.php
@@ -5,85 +5,6 @@
  * @package gutenberg
  */
 
-/**
- * Returns the stylesheet resulting of merging core, theme, and user data.
- * This is a duplicate of wp_get_global_stylesheet
- *
- * @since 5.9.0
- *
- * @param array $types Types of styles to load. Optional.
- *                     It accepts 'variables', 'styles', 'presets' as values.
- *                     If empty, it'll load all for themes with theme.json support
- *                     and only [ 'variables', 'presets' ] for themes without theme.json support.
- *
- * @return string Stylesheet.
- */
-function wp_get_global_stylesheet_gutenberg( $types = array() ) {
-	// Return cached value if it can be used and exists.
-	// It's cached by theme to make sure that theme switching clears the cache.
-	$can_use_cached = (
-		( empty( $types ) ) &&
-		( ! defined( 'WP_DEBUG' ) || ! WP_DEBUG ) &&
-		( ! defined( 'SCRIPT_DEBUG' ) || ! SCRIPT_DEBUG ) &&
-		( ! defined( 'REST_REQUEST' ) || ! REST_REQUEST ) &&
-		! is_admin()
-	);
-	$transient_name = 'global_styles_' . get_stylesheet();
-	if ( $can_use_cached ) {
-		$cached = get_transient( $transient_name );
-		if ( $cached ) {
-			return $cached;
-		}
-	}
-
-	$tree = WP_Theme_JSON_Resolver_Gutenberg::get_merged_data();
-
-	$supports_theme_json = WP_Theme_JSON_Resolver_Gutenberg::theme_has_support();
-	if ( empty( $types ) && ! $supports_theme_json ) {
-		$types = array( 'variables', 'presets' );
-	} elseif ( empty( $types ) ) {
-		$types = array( 'variables', 'styles', 'presets' );
-	}
-
-	/*
-	 * If variables are part of the stylesheet,
-	 * we add them for all origins (default, theme, user).
-	 * This is so themes without a theme.json still work as before 5.9:
-	 * they can override the default presets.
-	 * See https://core.trac.wordpress.org/ticket/54782
-	 */
-	$styles_variables = '';
-	if ( in_array( 'variables', $types, true ) ) {
-		$styles_variables = $tree->get_stylesheet( array( 'variables' ) );
-		$types            = array_diff( $types, array( 'variables' ) );
-	}
-
-	/*
-	 * For the remaining types (presets, styles), we do consider origins:
-	 *
-	 * - themes without theme.json: only the classes for the presets defined by core
-	 * - themes with theme.json: the presets and styles classes, both from core and the theme
-	 */
-	$styles_rest = '';
-	if ( ! empty( $types ) ) {
-		$origins = array( 'default', 'theme', 'custom' );
-		if ( ! $supports_theme_json ) {
-			$origins = array( 'default' );
-		}
-		$styles_rest = $tree->get_stylesheet( $types, $origins );
-	}
-
-	$stylesheet = $styles_variables . $styles_rest;
-
-	if ( $can_use_cached ) {
-		// Cache for a minute.
-		// This cache doesn't need to be any longer, we only want to avoid spikes on high-traffic sites.
-		set_transient( $transient_name, $stylesheet, MINUTE_IN_SECONDS );
-	}
-
-	return $stylesheet;
-}
-
 /**
  * Adds global style rules to the inline style for each block.
  */
diff --git a/lib/compat/wordpress-6.1/script-loader.php b/lib/compat/wordpress-6.1/script-loader.php
index a46c8dcb88f35b..1496a84af3e5ac 100644
--- a/lib/compat/wordpress-6.1/script-loader.php
+++ b/lib/compat/wordpress-6.1/script-loader.php
@@ -5,7 +5,7 @@
  * @package gutenberg
  */
 
-function remove_block_nodes_from_theme_json( $nodes ) {
+function filter_out_block_nodes( $nodes ) {
 	return array_filter( $nodes, function( $node, $key ) {
 		return ! in_array( 'blocks', $node['path'] );
 	}, ARRAY_FILTER_USE_BOTH );
@@ -37,7 +37,7 @@ function gutenberg_enqueue_global_styles() {
 	}
 
 	if ( $separate_assets ) {
-		add_filter( 'gutenberg_get_style_nodes', 'remove_block_nodes_from_theme_json' );
+		add_filter( 'gutenberg_get_style_nodes', 'filter_out_block_nodes' );
 		// add each block as an inline css.
 		wp_add_global_styles_for_blocks();
 	}