diff --git a/src/script/squirrel_helper.hpp b/src/script/squirrel_helper.hpp
--- a/src/script/squirrel_helper.hpp
+++ b/src/script/squirrel_helper.hpp
@@ -13,7 +13,6 @@
 #define SQUIRREL_HELPER_HPP
 
 #include "squirrel.hpp"
-#include "../core/math_func.hpp"
 #include "../core/smallvec_type.hpp"
 #include "../economy_type.h"
 #include "../string_func.h"