diff --git a/openttd.c b/openttd.c
--- a/openttd.c
+++ b/openttd.c
@@ -32,7 +32,6 @@
 #include "fileio.h"
 #include "hal.h"
 #include "airport.h"
-#include "ai_new.h"
 #include "console.h"
 #include "screenshot.h"
 #include "network.h"
diff --git a/unix.c b/unix.c
--- a/unix.c
+++ b/unix.c
@@ -39,10 +39,6 @@
 #endif
 
 
-#if defined(WITH_SDL)
-#include <SDL.h>
-#endif
-
 #ifdef __MORPHOS__
 #include <exec/types.h>
 ULONG __stack = (1024*1024)*2; // maybe not that much is needed actually ;)