diff --git a/src/vehicle.cpp b/src/vehicle.cpp
--- a/src/vehicle.cpp
+++ b/src/vehicle.cpp
@@ -25,7 +25,6 @@
 #include "group_gui.h"
 #include "strings_func.h"
 #include "zoom_func.h"
-#include "date_func.h"
 #include "vehicle_func.h"
 #include "autoreplace_func.h"
 #include "autoreplace_gui.h"