diff --git a/cutil/cutil.h b/cutil/cutil.h
index 42967093..41d3599a 100644
--- a/cutil/cutil.h
+++ b/cutil/cutil.h
@@ -56,7 +56,7 @@ Import original HP distribution
 
 #define CHARS_PER_LINE 500
 
-#if defined(__STDC__) || defined(__cplusplus) || MAC_OR_DOS
+#if defined(__STDC__) || defined(__cplusplus)
 # define _ARGS(s) s
 #else
 # define _ARGS(s) ()
diff --git a/cutil/oldlist.cpp b/cutil/oldlist.cpp
index 52c3725e..67168a5c 100644
--- a/cutil/oldlist.cpp
+++ b/cutil/oldlist.cpp
@@ -85,9 +85,6 @@
 #include "oldlist.h"
 #include "structures.h"
 #include <stdio.h>
-#if MAC_OR_DOS
-#include <stdlib.h>
-#endif
 
 /*----------------------------------------------------------------------
               M a c r o s