diff --git a/src/group_cmd.cpp b/src/group_cmd.cpp
--- a/src/group_cmd.cpp
+++ b/src/group_cmd.cpp
@@ -12,11 +12,8 @@
 #include "stdafx.h"
 #include "cmd_helper.h"
 #include "command_func.h"
-#include "group.h"
 #include "train.h"
-#include "vehicle_gui.h"
 #include "vehiclelist.h"
-#include "window_func.h"
 #include "vehicle_func.h"
 #include "autoreplace_base.h"
 #include "autoreplace_func.h"