Ignore past Events on Previous button

gistfile1.php

<?php
add_filters( 'tribe_has_previous_event', 'tec_forum_944441', 11 )
function tec_forum_944441( $has_previous ){
	global $wp_query;

	$has_previous = false;
	$past         = tribe_is_past();
	$upcoming     = ! $past;
	$cur_page     = (int) $wp_query->get( 'paged' );
	$max_pages    = (int) $wp_query->max_num_pages;
	$page_1       = 0 === $cur_page || 1 === $cur_page;

	// Simple tests based on pagination properties
	if ( $upcoming && $cur_page > 1 ) $has_previous = true;
	if ( $past && $cur_page < $max_pages ) $has_previous = true;
	
	return $has_previous;
}