diff --git a/src/ai/api/ai_gamesettings.cpp b/src/ai/api/ai_gamesettings.cpp
--- a/src/ai/api/ai_gamesettings.cpp
+++ b/src/ai/api/ai_gamesettings.cpp
@@ -11,7 +11,6 @@
 
 #include "ai_gamesettings.hpp"
 #include "../../settings_internal.h"
-#include "../../economy_func.h"
 
 /* static */ bool AIGameSettings::IsValid(const char *setting)
 {