public function delete_product_attribute( $id ) {
		global $wpdb;

		try {
			// Check permissions
			if ( ! current_user_can( 'manage_product_terms' ) ) {
				throw new WC_API_Exception( 'woocommerce_api_user_cannot_delete_product_attribute', __( 'You do not have permission to delete product attributes', 'woocommerce' ), 401 );
			}

			$id = absint( $id );

			$attribute_name = $wpdb->get_var( $wpdb->prepare( "
				SELECT attribute_name
				FROM {$wpdb->prefix}woocommerce_attribute_taxonomies
				WHERE attribute_id = %d
			 ", $id ) );

			if ( is_null( $attribute_name ) ) {
				throw new WC_API_Exception( 'woocommerce_api_invalid_product_attribute_id', __( 'A product attribute with the provided ID could not be found', 'woocommerce' ), 404 );
			}

			$deleted = $wpdb->delete(
				$wpdb->prefix . 'woocommerce_attribute_taxonomies',
				array( 'attribute_id' => $id ),
				array( '%d' )
			);

			if ( false === $deleted ) {
				throw new WC_API_Exception( 'woocommerce_api_cannot_delete_product_attribute', __( 'Could not delete the attribute', 'woocommerce' ), 401 );
			}

			$taxonomy = wc_attribute_taxonomy_name( $attribute_name );

			if ( taxonomy_exists( $taxonomy ) ) {
				$terms = get_terms( $taxonomy, 'orderby=name&hide_empty=0' );
				foreach ( $terms as $term ) {
					wp_delete_term( $term->term_id, $taxonomy );
				}
			}

			do_action( 'woocommerce_attribute_deleted', $id, $attribute_name, $taxonomy );
			do_action( 'woocommerce_api_delete_product_attribute', $id, $this );

			// Clear transients
			delete_transient( 'wc_attribute_taxonomies' );
			WC_Cache_Helper::invalidate_cache_group( 'woocommerce-attributes' );

			return array( 'message' => sprintf( __( 'Deleted %s', 'woocommerce' ), 'product_attribute' ) );
		} catch ( WC_API_Exception $e ) {
			return new WP_Error( $e->getErrorCode(), $e->getMessage(), array( 'status' => $e->getCode() ) );
		}
	}