remove unused attribute

1 files changed, 1 insertions, 1 deletions

diff --git a/geom_matching/wasserstein/include/auction_oracle_kdtree_restricted.hpp b/geom_matching/wasserstein/include/auction_oracle_kdtree_restricted.hpp
index 3c3cba3..8613ee1 100644
--- a/geom_matching/wasserstein/include/auction_oracle_kdtree_restricted.hpp
+++ b/geom_matching/wasserstein/include/auction_oracle_kdtree_restricted.hpp
@@ -293,7 +293,7 @@ IdxValPair<Real_> AuctionOracleKDTreeRestricted<Real_, PointContainer_>::get_opt
     // and vice versa.
 
     size_t best_item_idx { k_invalid_index };
-    size_t second_best_item_idx __attribute__((unused)) { k_invalid_index };
+    size_t second_best_item_idx { k_invalid_index };
     size_t best_diagonal_item_idx { k_invalid_index };
     Real best_item_value;
     Real second_best_item_value;