diff --git a/appl/rsh/common.c b/appl/rsh/common.c
index 1480a2928..ab1952cb8 100644
--- a/appl/rsh/common.c
+++ b/appl/rsh/common.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997 - 1999 Kungliga Tekniska Högskolan
+ * Copyright (c) 1997 - 1999, 2002 Kungliga Tekniska Högskolan
  * (Royal Institute of Technology, Stockholm, Sweden). 
  * All rights reserved. 
  *
@@ -34,6 +34,8 @@
 #include "rsh_locl.h"
 RCSID("$Id$");
 
+#if defined(KRB4) || defined(KRB5)
+
 ssize_t
 do_read (int fd,
 	 void *buf,
@@ -123,3 +125,4 @@ do_write (int fd, void *buf, size_t sz)
     } else
 	return write (fd, buf, sz);
 }
+#endif /* KRB4 || KRB5 */
diff --git a/appl/rsh/rsh_locl.h b/appl/rsh/rsh_locl.h
index cfc152e84..e4a8b6ba1 100644
--- a/appl/rsh/rsh_locl.h
+++ b/appl/rsh/rsh_locl.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997 - 2000 Kungliga Tekniska Högskolan
+ * Copyright (c) 1997 - 2000, 2002 Kungliga Tekniska Högskolan
  * (Royal Institute of Technology, Stockholm, Sweden). 
  * All rights reserved. 
  *
@@ -147,5 +147,10 @@ extern des_cblock iv;
 
 #define PATH_RSH BINDIR "/rsh"
 
+#if defined(KRB4) || defined(KRB5)
 ssize_t do_read (int fd, void *buf, size_t sz);
 ssize_t do_write (int fd, void *buf, size_t sz);
+#else
+#define do_write(F, B, L) write((F), (B), (L))
+#define do_read(F, B, L) read((F), (B), (L))
+#endif