diff --git a/src/game_board.hpp b/src/game_board.hpp
index bf5c3f9e7695..330f7ce8d6aa 100644
--- a/src/game_board.hpp
+++ b/src/game_board.hpp
@@ -58,7 +58,6 @@ class game_board : public display_context {
 	//TODO: Remove these when we have refactored enough to make it possible.
 	friend class play_controller;
 	friend class playsingle_controller;
-	friend class playmp_controller;
 	friend class events::mouse_handler;
 	friend class events::menu_handler;