diff --git a/includes/core/class-image-media-sideloader.php b/includes/core/class-image-media-sideloader.php
index 2128067..e007cfc 100644
--- a/includes/core/class-image-media-sideloader.php
+++ b/includes/core/class-image-media-sideloader.php
@@ -38,7 +38,7 @@ class PRAutoBlogger_Image_Media_Sideloader {
 	 *
 	 * @return int|\WP_Error Attachment ID on success, WP_Error on failure.
 	 */
-	public function sideload_image( array $image_data, int $post_id, string $alt_text = '' ): int | \WP_Error {
+	public function sideload_image( array $image_data, int $post_id, string $alt_text = '' ) {
 		// Validate input.
 		if ( empty( $image_data['bytes'] ) ) {
 			return new \WP_Error( 'invalid_image_data', 'Image data (bytes) is empty.' );
@@ -97,7 +97,7 @@ class PRAutoBlogger_Image_Media_Sideloader {
 	 *
 	 * @return string|\WP_Error Path to temporary file on success, WP_Error on failure.
 	 */
-	private function create_temp_file( string $bytes, string $mime_type ): string | \WP_Error {
+	private function create_temp_file( string $bytes, string $mime_type ) {
 		$temp_dir = get_temp_dir();
 		$filename = 'prautoblogger_img_' . wp_generate_uuid4() . $this->get_extension_for_mime( $mime_type );
 		$temp_path = $temp_dir . $filename;
diff --git a/includes/core/class-image-pipeline.php b/includes/core/class-image-pipeline.php
index 713aa85..1cdb085 100644
--- a/includes/core/class-image-pipeline.php
+++ b/includes/core/class-image-pipeline.php
@@ -153,7 +153,7 @@ class PRAutoBlogger_Image_Pipeline {
 	 *     cost_usd: float,
 	 * }|\WP_Error
 	 */
-	private function generate_image_a( int $post_id, array $article_data ): array | \WP_Error {
+	private function generate_image_a( int $post_id, array $article_data ) {
 		try {
 			// Build the article-driven prompt.
 			$prompt = $this->prompt_builder->build_article_prompt( $article_data );
@@ -219,7 +219,7 @@ class PRAutoBlogger_Image_Pipeline {
 	 *     cost_usd: float,
 	 * }|\WP_Error
 	 */
-	private function generate_image_b( int $post_id, array $source_data ): array | \WP_Error {
+	private function generate_image_b( int $post_id, array $source_data ) {
 		try {
 			// Build the source-driven prompt.
 			$prompt = $this->prompt_builder->build_source_prompt( $source_data );