diff -Naurp ext.orig/openal/gstopenalsink.h ext/openal/gstopenalsink.h
--- ext.orig/openal/gstopenalsink.h	2011-12-30 10:24:28.000000000 -0800
+++ ext/openal/gstopenalsink.h	2015-07-10 16:06:59.000000000 -0700
@@ -27,19 +27,9 @@
 #include <gst/audio/gstaudiosink.h>
 #include <gst/audio/multichannel.h>
 
-#ifdef _WIN32
 #include <al.h>
 #include <alc.h>
 #include <alext.h>
-#elif defined(__APPLE__)
-#include <OpenAL/al.h>
-#include <OpenAL/alc.h>
-#include <OpenAL/alext.h>
-#else
-#include <AL/al.h>
-#include <AL/alc.h>
-#include <AL/alext.h>
-#endif
 
 G_BEGIN_DECLS
 
diff -Naurp ext.orig/openal/gstopenalsrc.h ext/openal/gstopenalsrc.h
--- ext.orig/openal/gstopenalsrc.h	2011-12-30 10:24:28.000000000 -0800
+++ ext/openal/gstopenalsrc.h	2015-07-10 16:07:05.000000000 -0700
@@ -49,19 +49,9 @@
 #include <gst/gst.h>
 #include <gst/audio/gstaudiosrc.h>
 
-#ifdef _WIN32
 #include <al.h>
 #include <alc.h>
 #include <alext.h>
-#elif defined(__APPLE__)
-#include <OpenAL/al.h>
-#include <OpenAL/alc.h>
-#include <OpenAL/alext.h>
-#else
-#include <AL/al.h>
-#include <AL/alc.h>
-#include <AL/alext.h>
-#endif
 
 G_BEGIN_DECLS