diff --git a/src/smallmap_gui.cpp b/src/smallmap_gui.cpp
--- a/src/smallmap_gui.cpp
+++ b/src/smallmap_gui.cpp
@@ -3,22 +3,15 @@
 /** @file smallmap_gui.cpp GUI that shows a small map of the world with metadata like owner or height. */
 
 #include "stdafx.h"
-#include "openttd.h"
-#include "bridge_map.h"
 #include "clear_map.h"
 #include "industry_map.h"
-#include "industry.h"
 #include "station_map.h"
 #include "landscape.h"
-#include "gui.h"
 #include "window_gui.h"
 #include "tree_map.h"
-#include "tunnel_map.h"
 #include "viewport_func.h"
 #include "gfx_func.h"
-#include "company_base.h"
 #include "town.h"
-#include "variables.h"
 #include "blitter/factory.hpp"
 #include "tunnelbridge_map.h"
 #include "strings_func.h"
@@ -26,7 +19,6 @@
 #include "core/endian_func.hpp"
 #include "vehicle_base.h"
 #include "sound_func.h"
-#include "settings_type.h"
 #include "window_func.h"
 
 #include "table/strings.h"