diff --git a/src/music/qtmidi.cpp b/src/music/qtmidi.cpp
index cad83d59e0..12ec0aa035 100644
--- a/src/music/qtmidi.cpp
+++ b/src/music/qtmidi.cpp
@@ -27,7 +27,6 @@
 #undef   WindowClass
 
 #include "../stdafx.h"
-#include "../openttd.h"
 #include "qtmidi.h"
 
 /*
diff --git a/src/sound/cocoa_s.cpp b/src/sound/cocoa_s.cpp
index 0c1e793f99..7e2c7d034b 100644
--- a/src/sound/cocoa_s.cpp
+++ b/src/sound/cocoa_s.cpp
@@ -14,21 +14,11 @@
 #define Rect        OTTDRect
 #define Point       OTTDPoint
 #define WindowClass OTTDWindowClass
-/* Defined in stdbool.h */
-#ifndef __cplusplus
-# ifndef __BEOS__
-#  undef bool
-#  undef false
-#  undef true
-# endif
-#endif
 
 #include "../stdafx.h"
-#include "../openttd.h"
 #include "../debug.h"
 #include "../driver.h"
 #include "../mixer.h"
-#include "../sdl.h"
 
 #include "cocoa_s.h"