Don't update the event description at eventbrite

gistfile1.php

<?php

add_filter('tribe_events_eb_request', 'tribe_dont_send_eb_description', 10, 3);
function tribe_dont_send_eb_description( $request, $action, $params ){
	// check if we're sending an event update
	if ( $action == 'event_update' ) {

		// parse the event data into an array
		$event_info = array();
		parse_str( $params, $event_info );

		// unset the event description
		unset( $event_info['description'] );

		// put the new description-less event data back into a string
		$new_params = _http_build_query( $event_info );

		// replace the original event info with the new one before the request is sent to EB
		$request = str_replace( $params, $new_params, $request );
	}
	return $request;
}