diff --git a/src/industry_gui.cpp b/src/industry_gui.cpp
--- a/src/industry_gui.cpp
+++ b/src/industry_gui.cpp
@@ -17,7 +17,6 @@
 #include "industry.h"
 #include "town.h"
 #include "variables.h"
-#include "helpers.hpp"
 #include "cargotype.h"
 #include "newgrf.h"
 #include "newgrf_callbacks.h"