function wc_reset_product_grid_settings() {
	$product_grid = wc_get_theme_support( 'product_grid' );

	if ( ! empty( $product_grid['default_rows'] ) ) {
		update_option( 'woocommerce_catalog_rows', absint( $product_grid['default_rows'] ) );
	}

	if ( ! empty( $product_grid['default_columns'] ) ) {
		update_option( 'woocommerce_catalog_columns', absint( $product_grid['default_columns'] ) );
	}

	wp_cache_flush(); // Flush any caches which could impact settings or templates.
}