prevent tags to be inserted/remove tags for published content

Hi,

I need help fixing the formatting behavior of WordPress (using the classic editor).

WP puts paragraphs and embeds inside of <p></p> tags, which creates problems with other scripts. I tried the following methods I could find online, but none of those work with my?WP 6.2.2 installation:

• I: adding those two lines to the functions.php:
  • remove_filter(‘the_content’, ‘wpautop’);
  • remove_filter(‘the_excerpt’, ‘wpautop’);
• II: using these plugins:
  • Empty P Tag
  • Disable Automatic P Tags
  • Toggle wpautop
• III: adding this to appearance -> customize -> additional css:
  • body p:empty:before {
  • content: none;
  • }

The page I need help with: [log in to see the link]