Disable default Wordpress embeds in frontend

disable-default-embeds.functions.php

<?php
//  in functions.php

if (!is_admin()){
	remove_action( 'rest_api_init', 'wp_oembed_register_route' );
	add_filter( 'embed_oembed_discover', '__return_false' );

	remove_filter( 'oembed_dataparse', 'wp_filter_oembed_result', 10 );
	remove_action( 'wp_head', 'wp_oembed_add_discovery_links' );
	remove_action( 'wp_head', 'wp_oembed_add_host_js' );
	remove_action( 'wp_head', 'print_emoji_detection_script', 7 );
	remove_action( 'wp_print_styles', 'print_emoji_styles' );

	add_filter( 'rewrite_rules_array', 'disable_embeds_rewrites' );
}