diff --git a/lib/class-wp-theme-json-gutenberg.php b/lib/class-wp-theme-json-gutenberg.php
index de725474148986..57ca9ab59eacf1 100644
--- a/lib/class-wp-theme-json-gutenberg.php
+++ b/lib/class-wp-theme-json-gutenberg.php
@@ -2989,7 +2989,7 @@ protected static function filter_slugs( $node, $slugs ) {
 	public static function remove_insecure_properties( $theme_json ) {
 		$sanitized = array();
 
-		$theme_json = WP_Theme_JSON_Schema_Gutenberg::migrate( $theme_json );
+		$theme_json = WP_Theme_JSON_Schema::migrate( $theme_json );
 
 		$valid_block_names   = array_keys( static::get_blocks_metadata() );
 		$valid_element_names = array_keys( static::ELEMENTS );