diff --git a/include/game_state.hpp b/include/game_state.hpp
index b8e3a09..be6df04 100644
--- a/include/game_state.hpp
+++ b/include/game_state.hpp
@@ -53,13 +53,13 @@ namespace Hanabi
   const T & CardArray<num_suits, T>::operator[](const Card & card) const
   {
     return _array[card.suit][card.rank];
-  };
+  }
 
   template<suit_t num_suits, typename T>
   T & CardArray<num_suits, T>::operator[](const Card & card)
   {
     return _array[card.suit][card.rank];
-  };
+  }
 
   template<suit_t num_suits, player_t num_players, hand_index_t hand_size>
   HanabiState<num_suits, num_players, hand_size>::BacktrackAction::BacktrackAction(