diff --git a/include/Nazara/Audio/Music.hpp b/include/Nazara/Audio/Music.hpp
index e16592583..bff875cb5 100644
--- a/include/Nazara/Audio/Music.hpp
+++ b/include/Nazara/Audio/Music.hpp
@@ -21,7 +21,6 @@ struct NzMusicParams
 
 class NzMusic;
 class NzSoundStream;
-class NzThread;
 
 using NzMusicLoader = NzResourceLoader<NzMusic, NzMusicParams>;