diff --git a/src/terraform_gui.cpp b/src/terraform_gui.cpp
--- a/src/terraform_gui.cpp
+++ b/src/terraform_gui.cpp
@@ -19,7 +19,6 @@
 #include "viewport_func.h"
 #include "command_func.h"
 #include "signs_func.h"
-#include "variables.h"
 #include "functions.h"
 #include "sound_func.h"
 #include "base_station_base.h"