diff --git a/download.h b/download.h
index ad28813..2b49ab9 100644
--- a/download.h
+++ b/download.h
@@ -64,16 +64,12 @@ namespace Hanabi {
 
 std::vector<Hanabi::Card> parse_deck(const boost::json::value& deck_json) {
     auto deck = boost::json::value_to<std::vector<Hanabi::Card>>(deck_json);
-    std::array<std::array<Hanabi::rank_t, 5>, 6> next_copy_indices {};
     for(size_t i = 0; i < deck.size(); i++) {
       auto &card = deck[i];
       assert(card.rank < 5);
       assert(card.rank >= 0);
       assert(card.suit < 6);
       assert(card.suit >= 0);
-      card.index = i;
-      card.copy = next_copy_indices[card.suit][card.rank];
-      next_copy_indices[card.suit][card.rank]++;
     }
     return deck;
 }