diff --git a/src/wp-includes/class-wp-theme-json-resolver.php b/src/wp-includes/class-wp-theme-json-resolver.php
index 96b1c911d28cc..fca687cfb9f1b 100644
--- a/src/wp-includes/class-wp-theme-json-resolver.php
+++ b/src/wp-includes/class-wp-theme-json-resolver.php
@@ -91,14 +91,6 @@ class WP_Theme_JSON_Resolver {
 	 */
 	protected static $theme_json_file_cache = array();
 
-	/**
-	 * Cache of parsed and translated style variation theme.json partials.
-	 *
-	 * @since 6.6.0
-	 * @var array
-	 */
-	protected static $style_variations_cache = array();
-
 	/**
 	 * Processes a file that adheres to the theme.json schema
 	 * and returns an array with its contents, or a void array if none found.
@@ -701,7 +693,7 @@ private static function recursively_iterate_json( $dir ) {
 	}
 
 	/**
-	 * Determines the scope of a style variation.
+	 * Determines if a supplied style variation matches the provided scope.
 	 *
 	 * For backwards compatibility, if a variation does not define any scope
 	 * related property, e.g. `blockTypes`, it is assumed to be a theme style
@@ -709,24 +701,37 @@ private static function recursively_iterate_json( $dir ) {
 	 *
 	 * @since 6.6.0
 	 *
-	 * @param array $variation Theme.json shaped style variation object.
-	 * @return string
+	 * @param array  $variation Theme.json shaped style variation object.
+	 * @param string $scope     Scope to check e.g. theme, block etc.
+	 * @return boolean
 	 */
-	protected static function get_style_variation_scope( $variation ) {
-		if ( isset( $variation['blockTypes'] ) ) {
-			return 'block';
+	private static function style_variation_has_scope( $variation, $scope ) {
+		if ( 'block' === $scope ) {
+			return isset( $variation['blockTypes'] );
+		}
+
+		if ( 'theme' === $scope ) {
+			return ! isset( $variation['blockTypes'] );
 		}
 
-		return 'theme';
+		return false;
 	}
 
 	/**
-	 * Retrieves all style variation partials defined by the theme (parent and child).
+	 * Returns the style variations defined by the theme.
 	 *
-	 * @since 6.6.0
+	 * @since 6.0.0
+	 * @since 6.2.0 Returns parent theme variations if theme is a child.
+	 * @since 6.6.0 Added configurable scope parameter to allow filtering
+	 *              theme.json partial files by the scope to which they
+	 *              can be applied e.g. theme vs block etc.
+	 *
+	 * @param string $scope The scope or type of style variation to retrieve e.g. theme, block etc.
+	 * @return array
 	 */
-	protected static function get_style_variation_files() {
+	public static function get_style_variations( $scope = 'theme' ) {
 		$variation_files    = array();
+		$variations         = array();
 		$base_directory     = get_stylesheet_directory() . '/styles';
 		$template_directory = get_template_directory() . '/styles';
 		if ( is_dir( $base_directory ) ) {
@@ -745,54 +750,18 @@ protected static function get_style_variation_files() {
 			$variation_files = array_merge( $variation_files, $variation_files_parent );
 		}
 		ksort( $variation_files );
-
-		return $variation_files;
-	}
-
-	/**
-	 * Returns the style variations defined by the theme (parent and child).
-	 *
-	 * @since 6.2.0 Returns parent theme variations if theme is a child.
-	 * @since 6.6.0 Added cache and configurable scope parameter to allow
-	 *              filtering theme.json partial files by the scope to
-	 *              which they can be applied e.g. theme vs block etc.
-	 *
-	 * @param string $scope The scope or type of style variation to retrieve e.g. theme, block etc.
-	 * @return array
-	 */
-	public static function get_style_variations( $scope = 'theme' ) {
-		$theme_dir = get_stylesheet_directory();
-		$locale    = get_locale();
-		if ( isset( static::$style_variations_cache[ $theme_dir ][ $locale ][ $scope ] ) ) {
-			return static::$style_variations_cache[ $theme_dir ][ $locale ][ $scope ];
-		}
-
-		$variation_files = static::get_style_variation_files();
-		$variations      = array(
-			'theme' => array(),
-			'block' => array(),
-		);
-
 		foreach ( $variation_files as $path => $file ) {
 			$decoded_file = wp_json_file_decode( $path, array( 'associative' => true ) );
-			if ( is_array( $decoded_file ) ) {
-				$variation_scope = static::get_style_variation_scope( $decoded_file );
-
-				if ( $variation_scope ) {
-					$translated = static::translate( $decoded_file, wp_get_theme()->get( 'TextDomain' ) );
-					$variation  = ( new WP_Theme_JSON( $translated ) )->get_raw_data();
-
-					if ( empty( $variation['title'] ) ) {
-						$variation['title'] = basename( $path, '.json' );
-					}
-
-					$variations[ $variation_scope ][] = $variation;
+			if ( is_array( $decoded_file ) && static::style_variation_has_scope( $decoded_file, $scope ) ) {
+				$translated = static::translate( $decoded_file, wp_get_theme()->get( 'TextDomain' ) );
+				$variation  = ( new WP_Theme_JSON( $translated ) )->get_raw_data();
+				if ( empty( $variation['title'] ) ) {
+					$variation['title'] = basename( $path, '.json' );
 				}
+				$variations[] = $variation;
 			}
 		}
-		static::$style_variations_cache[ $theme_dir ][ $locale ] = $variations;
-
-		return static::$style_variations_cache[ $theme_dir ][ $locale ][ $scope ];
+		return $variations;
 	}
 
 	/**