diff --git a/source/duke3d/src/midi.cpp b/source/duke3d/src/midi.cpp
index c8d4a2782..0e6398def 100644
--- a/source/duke3d/src/midi.cpp
+++ b/source/duke3d/src/midi.cpp
@@ -32,7 +32,8 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 **********************************************************************/
 
 #include "compat.h"
-#include "standard.h"
+#include <stdlib.h>
+#include <string.h>
 #include "music.h"
 #include "_midi.h"
 #include "midi.h"
diff --git a/source/duke3d/src/standard.h b/source/duke3d/src/standard.h
deleted file mode 100644
index b3bc3191e..000000000
--- a/source/duke3d/src/standard.h
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
-Copyright (C) 1994-1995 Apogee Software, Ltd.
-
-This program is free software; you can redistribute it and/or
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation; either version 2
-of the License, or (at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-See the GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
-
-Modifications for JonoF's port by Jonathon Fowler (jf@jonof.id.au)
-*/
-/**********************************************************************
-   module: STANDARD.H
-
-   author: James R. Dose
-   date:   May 25, 1994
-
-   Header containing standard definitions.
-
-   (c) Copyright 1994 James R. Dose.  All Rights Reserved.
-**********************************************************************/
-
-#ifndef __STANDARD_H
-#define __STANDARD_H
-
-typedef int boolean;
-typedef int errorcode;
-
-enum STANDARD_ERRORS
-   {
-   Warning = -2,
-   FatalError = -1,
-   Success = 0
-   };
-
-#ifdef NDEBUG
-   #define DEBUGGING 0
-#else
-   #define DEBUGGING 1
-#endif
-
-#define DEBUG_CODE \
-   if ( DEBUGGING == 0 ) \
-      { \
-      } \
-   else
-
-#endif