Code to Disable Passive Listeners WordPress Comments

/* Passive Listeners WordPress Comments */
function wp_dereg_script_comment_reply(){wp_deregister_script( 'comment-reply' );}
add_action('init','wp_dereg_script_comment_reply');

Note: Use this code to improve the score in Google PageSpeed Insights. Technically this has been an unresolved issue in WordPress for a decade.

You should not use this code if you are using Nested Comments.