diff --git a/src/race/race_manager.hpp b/src/race/race_manager.hpp
index e3b1ed8da..26155c883 100644
--- a/src/race/race_manager.hpp
+++ b/src/race/race_manager.hpp
@@ -30,7 +30,6 @@
 #include "race/grand_prix_data.hpp"
 #include "utils/translation.hpp"
 
-class Kart;
 class Kart;
 class Track;