Community Events Add-on 3.2 // Hide specific category checkboxes with CSS

gistfile1.txt

add_action( 'wp_head', 'community_add_css' );
function community_add_css() {
  if (tribe_is_community_edit_event_page() || tribe_is_community_my_events_page()) {
?>
<style>
  /* Hide the checkbox of Category ID 4 & 6 */
  /* Change the line below for the IDs you want to hide */
  li#tribe_events_cat-4, li#tribe_events_cat-6 {display:none !important;}
</style>
<?php
	}
}