Hi Cliff,
sry, it doesn’t work. Copied
add_filter( 'get_post_time', array( __CLASS__, 'event_date_to_pubDate' ), 10, 3 );
to functions.php and changed the word add to remove, so finally the new line in functions.php is
remove_filter( 'get_post_time', array( __CLASS__, 'event_date_to_pubDate' ), 10, 3 );
but it takes no effect.
Any ideas?