add_filter( 'woocommerce_product_tabs', 'woo_remove_product_tabs', 98 );
function woo_remove_product_tabs( $tabs ) {
    unset( $tabs['description'] );          // Remove the description tab
    unset( $tabs['reviews'] );             // Remove the reviews tab
//  unset( $tabs['additional_information'] );     // Remove the additional information tab
    return $tabs;
}