Exclude certain categories from all views (except category pages)

exclude-categories-all-views.php

<?php 
/*
 * The Events Calendar Remove Events from All Views (Except Category Pages)
 * add to theme's functions.php file
 * @version 4.5.5
 * replace these example slugs with your event category slugs: array( 'family-fun', 'bbq' )
*/

add_action( 'pre_get_posts', 'tribe_exclude_events_categories_all_views' );

function tribe_exclude_events_categories_all_views( $query ) {
	if ( $query->query_vars['post_type'] == Tribe__Events__Main::POSTTYPE && isset( $query->query_vars['eventDisplay'] ) && ! is_singular( 'tribe_events' ) && ! is_tax( Tribe__Events__Main::TAXONOMY ) ) {
		{
			$query->set( 'tax_query', array(
				array(
					'taxonomy' => Tribe__Events__Main::TAXONOMY,
					'field'    => 'slug',
					'terms'    => array( 'family-fun', 'bbq' ),
					'operator' => 'NOT IN'
				)
			) );
		}
	}
	return $query;
}