diff --git a/src/wp-includes/class-wp-theme-json-data.php b/src/wp-includes/class-wp-theme-json-data.php
index 6aa8a3971c62d..aa8cbd71b8de8 100644
--- a/src/wp-includes/class-wp-theme-json-data.php
+++ b/src/wp-includes/class-wp-theme-json-data.php
@@ -69,4 +69,15 @@ public function update_with( $new_data ) {
 	public function get_data() {
 		return $this->theme_json->get_raw_data();
 	}
+
+	/**
+	 * Returns theme JSON object.
+	 *
+	 * @since 6.6.0
+	 *
+	 * @return WP_Theme_JSON
+	 */
+	public function get_theme_json() {
+		return $this->theme_json;
+	}
 }
diff --git a/src/wp-includes/class-wp-theme-json-resolver.php b/src/wp-includes/class-wp-theme-json-resolver.php
index 3ad5ecf0c4dde..59c5f54b96e45 100644
--- a/src/wp-includes/class-wp-theme-json-resolver.php
+++ b/src/wp-includes/class-wp-theme-json-resolver.php
@@ -173,8 +173,7 @@ public static function get_core_data() {
 		 * @param WP_Theme_JSON_Data $theme_json Class to access and update the underlying data.
 		 */
 		$theme_json   = apply_filters( 'wp_theme_json_data_default', new WP_Theme_JSON_Data( $config, 'default' ) );
-		$config       = $theme_json->get_data();
-		static::$core = new WP_Theme_JSON( $config, 'default' );
+		static::$core = $theme_json->get_theme_json();
 
 		return static::$core;
 	}
@@ -255,8 +254,7 @@ public static function get_theme_data( $deprecated = array(), $options = array()
 			 * @param WP_Theme_JSON_Data $theme_json Class to access and update the underlying data.
 			 */
 			$theme_json      = apply_filters( 'wp_theme_json_data_theme', new WP_Theme_JSON_Data( $theme_json_data, 'theme' ) );
-			$theme_json_data = $theme_json->get_data();
-			static::$theme   = new WP_Theme_JSON( $theme_json_data );
+			static::$theme   = $theme_json->get_theme_json();
 
 			if ( $wp_theme->parent() ) {
 				// Get parent theme.json.
@@ -387,9 +385,7 @@ public static function get_block_data() {
 		 * @param WP_Theme_JSON_Data $theme_json Class to access and update the underlying data.
 		 */
 		$theme_json = apply_filters( 'wp_theme_json_data_blocks', new WP_Theme_JSON_Data( $config, 'blocks' ) );
-		$config     = $theme_json->get_data();
-
-		static::$blocks = new WP_Theme_JSON( $config, 'blocks' );
+		static::$blocks = $theme_json->get_theme_json();
 		return static::$blocks;
 	}
 
@@ -523,8 +519,7 @@ public static function get_user_data() {
 				 * @param WP_Theme_JSON_Data $theme_json Class to access and update the underlying data.
 				 */
 				$theme_json = apply_filters( 'wp_theme_json_data_user', new WP_Theme_JSON_Data( $config, 'custom' ) );
-				$config     = $theme_json->get_data();
-				return new WP_Theme_JSON( $config, 'custom' );
+				return $theme_json->get_theme_json();
 			}
 
 			/*
@@ -543,8 +538,7 @@ public static function get_user_data() {
 
 		/** This filter is documented in wp-includes/class-wp-theme-json-resolver.php */
 		$theme_json   = apply_filters( 'wp_theme_json_data_user', new WP_Theme_JSON_Data( $config, 'custom' ) );
-		$config       = $theme_json->get_data();
-		static::$user = new WP_Theme_JSON( $config, 'custom' );
+		static::$user = $theme_json->get_theme_json();
 
 		return static::$user;
 	}