diff --git a/wp-includes/class-wp-theme-json-resolver.php b/wp-includes/class-wp-theme-json-resolver.php
index 993543a55b..18b997561c 100644
--- a/wp-includes/class-wp-theme-json-resolver.php
+++ b/wp-includes/class-wp-theme-json-resolver.php
@@ -548,8 +548,7 @@ class WP_Theme_JSON_Resolver {
 			_deprecated_argument( __FUNCTION__, '5.9.0' );
 		}
 
-		$result = new WP_Theme_JSON();
-		$result->merge( static::get_core_data() );
+		$result = static::get_core_data();
 		$result->merge( static::get_block_data() );
 		$result->merge( static::get_theme_data() );
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 042aec624f..1eb550cfef 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.1-RC1-54511';
+$wp_version = '6.1-RC1-54517';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.