diff --git a/src/bridge_map.cpp b/src/bridge_map.cpp
--- a/src/bridge_map.cpp
+++ b/src/bridge_map.cpp
@@ -3,10 +3,7 @@
 /** @file bridge_map.cpp Map accessor functions for bridges. */
 
 #include "stdafx.h"
-#include "openttd.h"
 #include "bridge_map.h"
-#include "bridge.h"
-#include "variables.h"
 #include "landscape.h"
 #include "tunnelbridge_map.h"