diff --git a/src/Makefile.am b/src/Makefile.am
index 1b41e1a622e2e1850128288605022b3fca3f4361..8db2e5c383c6a346ad21ac62e1ac1b5e86bf7ab8 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -6,7 +6,7 @@ SUBDIRS = avl thread httpp net log timing
 
 bin_PROGRAMS = icecast
 
-noinst_HEADERS = admin.h cfgfile.h os.h logging.h sighandler.h connection.h \
+noinst_HEADERS = admin.h cfgfile.h logging.h sighandler.h connection.h \
     global.h util.h slave.h source.h stats.h refbuf.h client.h \
     compat.h fserve.h xslt.h yp.h event.h md5.h \
     auth.h auth_htpasswd.h auth_url.h \
diff --git a/src/admin.c b/src/admin.c
index 3db88c21afaaa794ff1b374e300358828ff7dc64..4adc582a5a5849f27064772ef69171f6d7a8feb3 100644
--- a/src/admin.c
+++ b/src/admin.c
@@ -30,7 +30,7 @@
 #include "global.h"
 #include "event.h"
 #include "stats.h"
-#include "os.h"
+#include "compat.h"
 #include "xslt.h"
 #include "fserve.h"
 
diff --git a/src/compat.h b/src/compat.h
index 6cfb6450a8a27c446bfc9e3953cf5e3819731f84..50691f49d9c9849430f656881bf21c3171a90761 100644
--- a/src/compat.h
+++ b/src/compat.h
@@ -20,12 +20,23 @@
  * Solaris.
  */
 
+#ifdef _WIN32
+#include <windows.h>
+#else
+#include <unistd.h>
+#endif
+
+
 /* Make sure we define 64 bit types */
 #ifdef _WIN32
+#  define PATH_SEPARATOR "\\"
+#  define size_t unsigned int
+#  define ssize_t int
 #  define int64_t __int64
 #  define uint64_t unsigned __int64
 #  define uint32_t unsigned int
 #else
+#  define PATH_SEPARATOR "/"
 #  if defined(HAVE_STDINT_H)
 #    include <stdint.h>
 #  elif defined(HAVE_INTTYPES_H)
diff --git a/src/connection.c b/src/connection.c
index f5924ffddf843b4a0fae69d9abab7eb00c6578eb..290673b3948a3ab6ba434a443044eed9adc894c6 100644
--- a/src/connection.c
+++ b/src/connection.c
@@ -34,7 +34,7 @@
 #define strncasecmp strnicmp
 #endif
 
-#include "os.h"
+#include "compat.h"
 
 #include "thread/thread.h"
 #include "avl/avl.h"
diff --git a/src/logging.c b/src/logging.c
index 786e76cbcc97f9bb62c0a40b7979c2eb2cba507f..ed883e5dbc1094370f5b21460df0efe07f6d7e6e 100644
--- a/src/logging.c
+++ b/src/logging.c
@@ -25,7 +25,7 @@
 #include "refbuf.h"
 #include "client.h"
 
-#include "os.h"
+#include "compat.h"
 #include "cfgfile.h"
 #include "logging.h"
 #include "util.h"
diff --git a/src/main.c b/src/main.c
index 25328ab166178e2fc566c35796836917dfc9316a..86137e231b5cb3729afe35810050865b78a51ef7 100644
--- a/src/main.c
+++ b/src/main.c
@@ -39,7 +39,7 @@
 #include "sighandler.h"
 
 #include "global.h"
-#include "os.h"
+#include "compat.h"
 #include "connection.h"
 #include "refbuf.h"
 #include "client.h"
diff --git a/src/os.h b/src/os.h
deleted file mode 100644
index d74d88d03cae951a379c9aeee4531533edc36f80..0000000000000000000000000000000000000000
--- a/src/os.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/* Icecast
- *
- * This program is distributed under the GNU General Public License, version 2.
- * A copy of this license is included with this source.
- *
- * Copyright 2000-2004, Jack Moffitt <jack@xiph.org, 
- *                      Michael Smith <msmith@xiph.org>,
- *                      oddsock <oddsock@xiph.org>,
- *                      Karl Heyes <karl@xiph.org>
- *                      and others (see AUTHORS for details).
- */
-
-#ifndef __OS_H__
-#define __OS_H__
-
-#ifdef _WIN32
-#include <windows.h>
-#else
-#include <unistd.h>
-#endif
-
-#ifdef _WIN32
-#define PATH_SEPARATOR "\\"
-#define size_t unsigned int
-#define ssize_t int
-#else
-#define PATH_SEPARATOR "/"
-#endif
-
-#endif  /* __OS_H__ */
diff --git a/src/slave.c b/src/slave.c
index ece0859dbba0727823162d6c7150674083d7399d..de1f8eb64539da8e318f4a46e26e9ae264f8677a 100644
--- a/src/slave.c
+++ b/src/slave.c
@@ -39,7 +39,7 @@
 #define strncasecmp strnicmp
 #endif
 
-#include "os.h"
+#include "compat.h"
 
 #include "thread/thread.h"
 #include "avl/avl.h"
diff --git a/src/source.c b/src/source.c
index 7be2f6dd8479de5e8b654f2badd44d41da680427..0be562a2fbb983889b29369f3a6acc95f9a1ecd4 100644
--- a/src/source.c
+++ b/src/source.c
@@ -50,7 +50,7 @@
 #include "format.h"
 #include "fserve.h"
 #include "auth.h"
-#include "os.h"
+#include "compat.h"
 
 #undef CATMODULE
 #define CATMODULE "source"
diff --git a/src/util.c b/src/util.c
index aa922ef38680366ffd15c7225ac9472dbb8bf6ce..3aa14730c0cccc6c0a1b48c547b82d87a43f650d 100644
--- a/src/util.c
+++ b/src/util.c
@@ -40,7 +40,7 @@
 
 #include "cfgfile.h"
 #include "util.h"
-#include "os.h"
+#include "compat.h"
 #include "refbuf.h"
 #include "connection.h"
 #include "client.h"