diff --git a/doomsday/libdeng2/include/de/game/savedsession.h b/doomsday/libdeng2/include/de/game/savedsession.h
index 9f17bf6a37..af76b26757 100644
--- a/doomsday/libdeng2/include/de/game/savedsession.h
+++ b/doomsday/libdeng2/include/de/game/savedsession.h
@@ -28,8 +28,6 @@
 namespace de {
 namespace game {
 
-class MapStateReader;
-
 /**
  * Specialized PackageFolder that hosts a serialized game session.
  *