How to remove the tab “Additional Information” in product page

Hello zenthmi,

Thanks for reaching to us.

1. Paste the code in the functions.php file in your child theme.

add_filter( 'woocommerce_product_tabs', 'bbloomer_remove_product_tabs', 9999 );
  
function bbloomer_remove_product_tabs( $tabs ) {
    unset( $tabs['additional_information'] ); 
    return $tabs;
}

2. Here is our article on how to get the Child theme – https://xtemos.com/docs-topic/setup-child-theme/

Kind Regards