How to disable thumbnail within wordpress post

Question

Hello, I wonder how to disable the thumbnail inside the wordpress post, that it only appears in the home after doing the post but within the post it is disabled and does not appear

Answer 1

I would try to add the code below in your functions.php:

function remover_post_thumbnail($html, $post_id, $post_thumbnail_id, $size, $attr){
if(is_single($post_id)){
    return '';
}
    return $html;
}
add_filter( 'post_thumbnail_html', remover_post_thumbnail );