diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index ce59777538..6226f223d5 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,11 @@
+Tue Jul 12 11:41:22 1994  Ian Lance Taylor  (ian@sanguine.cygnus.com)
+
+	* aout-encap.c (ARCH): Don't define.  Obsolete.
+	* aout0.c, aoutx.h, gen-aout.c, hp300bsd.c, hp300hpux.c: Likewise.
+	* i386aout.c, i386bsd.c, i386dynix.c, i386linux.c: Likewise.
+	* i386lynx.c, m68klynx.c, mipsbsd.c, netbsd386.c: Likewise.
+	* newsos3.c, sparclynx.c, sunos.c: Likewise.
+
 Mon Jul 11 20:08:23 1994  Ian Lance Taylor  (ian@sanguine.cygnus.com)
 
 	* section.c (STD_SECTION): Make the sixth argument boolean, not
diff --git a/bfd/aout-encap.c b/bfd/aout-encap.c
index 6c3772e0bb..f5e4fd7848 100644
--- a/bfd/aout-encap.c
+++ b/bfd/aout-encap.c
@@ -23,7 +23,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #define	PAGE_SIZE	4096
 #define	SEGMENT_SIZE	PAGE_SIZE
 #define TEXT_START_ADDR 0
-#define ARCH 32
 #define BYTES_IN_WORD 4
 #endif
 
diff --git a/bfd/aoutx.h b/bfd/aoutx.h
index e3ca98ff5f..a2a8f7dd6a 100644
--- a/bfd/aoutx.h
+++ b/bfd/aoutx.h
@@ -65,7 +65,6 @@ DESCRIPTION
 
 	from @file{sunos.c}:
 
-|	#define ARCH 32
 |	#define TARGET_NAME "a.out-sunos-big"
 |	#define VECNAME    sunos_big_vec
 |	#include "aoutf1.h"
diff --git a/bfd/m68klynx.c b/bfd/m68klynx.c
index 34d2d29d06..d8d696f6ce 100644
--- a/bfd/m68klynx.c
+++ b/bfd/m68klynx.c
@@ -18,7 +18,6 @@ along with this program; if not, write to the Free Software
 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
 #define BYTES_IN_WORD 4
-#define ARCH 32
 #define N_SHARED_LIB(x) 0
 
 #define TEXT_START_ADDR 0
diff --git a/bfd/netbsd386.c b/bfd/netbsd386.c
index 446e0c8878..1f72c7a5b4 100644
--- a/bfd/netbsd386.c
+++ b/bfd/netbsd386.c
@@ -18,7 +18,6 @@ along with this program; if not, write to the Free Software
 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
 #define	BYTES_IN_WORD	4
-#define	ARCH	32
 
 /* ZMAGIC files never have the header in the text.  */
 #define	N_HEADER_IN_TEXT(x)	0