diff --git a/kdc/Makefile.am b/kdc/Makefile.am
index 54382a842..1e46c9c1b 100644
--- a/kdc/Makefile.am
+++ b/kdc/Makefile.am
@@ -130,8 +130,7 @@ libkdc_la_SOURCES = 		\
 	csr_authorizer.c	\
 	process.c		\
 	windc.c			\
-	gss_preauth.c		\
-	rx.h
+	gss_preauth.c
 
 KDC_PROTOS = $(srcdir)/kdc-protos.h $(srcdir)/kdc-private.h
 
diff --git a/kdc/NTMakefile b/kdc/NTMakefile
index 58eb75771..79dc739bc 100644
--- a/kdc/NTMakefile
+++ b/kdc/NTMakefile
@@ -151,8 +151,7 @@ libkdc_la_SOURCES = 		\
 	csr_authorizer.c	\
 	process.c		\
 	windc.c			\
-	gss_preauth.c		\
-	rx.h
+	gss_preauth.c
 
 $(OBJ)\kdc-protos.h: $(libkdc_la_SOURCES)
 	$(PERL) ..\cf\make-proto.pl -q -P remove -o $@ $(libkdc_la_SOURCES) \
diff --git a/kdc/rx.h b/kdc/rx.h
deleted file mode 100644
index f914e93e6..000000000
--- a/kdc/rx.h
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * Copyright (c) 1997 Kungliga Tekniska Högskolan
- * (Royal Institute of Technology, Stockholm, Sweden).
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * 3. Neither the name of the Institute nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-/* $Id$ */
-
-#ifndef __RX_H__
-#define __RX_H__
-
-/* header of a RPC packet */
-
-enum rx_header_type {
-     HT_DATA = 1,
-     HT_ACK = 2,
-     HT_BUSY = 3,
-     HT_ABORT = 4,
-     HT_ACKALL = 5,
-     HT_CHAL = 6,
-     HT_RESP = 7,
-     HT_DEBUG = 8
-};
-
-/* For flags in header */
-
-enum rx_header_flag {
-     HF_CLIENT_INITIATED = 1,
-     HF_REQ_ACK = 2,
-     HF_LAST = 4,
-     HF_MORE = 8
-};
-
-struct rx_header {
-     uint32_t epoch;
-     uint32_t connid;		/* And channel ID */
-     uint32_t callid;
-     uint32_t seqno;
-     uint32_t serialno;
-     u_char type;
-     u_char flags;
-     u_char status;
-     u_char secindex;
-     uint16_t reserved;	/* ??? verifier? */
-     uint16_t serviceid;
-/* This should be the other way around according to everything but */
-/* tcpdump */
-};
-
-#define RX_HEADER_SIZE 28
-
-#endif /* __RX_H__ */