diff --git a/src/newgrf_airporttiles.cpp b/src/newgrf_airporttiles.cpp
--- a/src/newgrf_airporttiles.cpp
+++ b/src/newgrf_airporttiles.cpp
@@ -23,7 +23,6 @@
 #include "landscape.h"
 #include "company_base.h"
 #include "town.h"
-#include "variables.h"
 #include "functions.h"
 #include "core/random_func.hpp"
 #include "table/strings.h"