diff --git a/.gitignore b/.gitignore
index cfafcedab6..0432c00838 100644
--- a/.gitignore
+++ b/.gitignore
@@ -63,7 +63,6 @@ config.log
 
 # Destination build directories
 /alpha_nbsd*
-/alpha_dux*
 /amd64_linux*
 /amd64_fsbd*
 /amd64_nbsd*
diff --git a/INSTALL b/INSTALL
index 920e23e615..e6c5fabbd6 100644
--- a/INSTALL
+++ b/INSTALL
@@ -30,7 +30,6 @@ A  Configuring
       A directory will be automatically created for binaries to be written
       into with this name when you build.
 
-      alpha_dux40, alpha_dux50, alpha_dux51 (client does not work)
       alpha_linux26
       alpha_nbsd15, alpha_nbsd16
       amd64_fbsd_80, amd64_fbsd_81, amd64_fbsd_82, amd64_fbsd_83,
diff --git a/Makefile.in b/Makefile.in
index 0fbb118c58..f0cdb2f314 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -236,7 +236,7 @@ ubik: cmd comerr auth ubik_depinstall sys
 
 tubik: ubik libafsrpc libafsauthent
 	+case ${SYS_NAME} in \
-	alpha_dux*|sgi_*|sun*_5*|rs_aix*|*linux*|hp_ux11*|ia64_hpux*|*[nof]bsd*|*_darwin_*) \
+	sgi_*|sun*_5*|rs_aix*|*linux*|hp_ux11*|ia64_hpux*|*[nof]bsd*|*_darwin_*) \
 		${COMPILE_PART1} tubik ${COMPILE_PART2} ;; \
 	*) \
 		echo Not building MT ubik for ${SYS_NAME} ;; \
@@ -249,7 +249,7 @@ ptserver: cmd comerr ubik cmd comerr auth audit ptserver_depinstall
 
 tptserver: cmd comerr ptserver tubik libafsrpc libafsauthent
 	+case ${SYS_NAME} in \
-	alpha_dux*|sgi_*|sun*_5*|rs_aix*|*linux*|hp_ux11*|ia64_hpux*|*[nof]bsd*|*_darwin_*) \
+	sgi_*|sun*_5*|rs_aix*|*linux*|hp_ux11*|ia64_hpux*|*[nof]bsd*|*_darwin_*) \
 		${COMPILE_PART1} tptserver ${COMPILE_PART2} ;; \
 	*) \
 		echo Not building MT ptserver for ${SYS_NAME} ;; \
@@ -270,7 +270,7 @@ vol: cmd comerr dir afs $(DIR_roken)
 
 tsalvaged: vol libafsrpc libafsauthent cmd util
 	+case ${SYS_NAME} in \
-		alpha_dux*|sgi_*|sun*_5*|rs_aix*|*linux*|hp_ux11*|ia64_hpux*|*[fn]bsd*|*_darwin_*) \
+		sgi_*|sun*_5*|rs_aix*|*linux*|hp_ux11*|ia64_hpux*|*[fn]bsd*|*_darwin_*) \
 			${COMPILE_PART1} tsalvaged ${COMPILE_PART2} ;; \
 		*_darwin_*) \
 			${COMPILE_PART1} tsalvaged  ${COMPILE_PART2} ;; \
@@ -285,7 +285,7 @@ vlserver: cmd comerr vol audit vlserver_depinstall
 tvlserver: cmd comerr vol audit tubik libafsrpc libafsauthent \
 	tvlserver_depinstall
 	+case ${SYS_NAME} in \
-	alpha_dux*|sgi_*|sun*_5*|rs_aix*|*linux*|hp_ux11*|ia64_hpux*|*[nof]bsd*|*_darwin_*) \
+	sgi_*|sun*_5*|rs_aix*|*linux*|hp_ux11*|ia64_hpux*|*[nof]bsd*|*_darwin_*) \
 		${COMPILE_PART1} tvlserver ${COMPILE_PART2} ;; \
 	*) \
 		echo Not building MT tvlserver for ${SYS_NAME} ;; \
@@ -297,7 +297,7 @@ viced: cmd comerr vlserver tvlserver libafsrpc libafsauthent audit
 
 dviced: cmd comerr viced vlserver tvlserver libafsrpc libafsauthent
 	+case ${SYS_NAME} in \
-	alpha_dux*|sgi_*|sun*_5*|rs_aix*|*linux*|hp_ux11*|ia64_hpux*|*[nof]bsd*|*_darwin_*) \
+	sgi_*|sun*_5*|rs_aix*|*linux*|hp_ux11*|ia64_hpux*|*[nof]bsd*|*_darwin_*) \
 		${COMPILE_PART1} dviced ${COMPILE_PART2} ;; \
 	*) \
 		echo Not building DAFS viced for ${SYS_NAME} ;; \
@@ -308,7 +308,7 @@ volser: cmd comerr usd kauth vlserver audit
 
 tvolser: project viced usd libafsrpc libafsauthent volser
 	+@case ${SYS_NAME} in						\
-	*_darwin_*|alpha_dux*|sgi_*|sun*_5*|rs_aix*|*linux*|hp_ux11*|ia64_hpux*|*[nof]bsd*)   \
+	*_darwin_*|sgi_*|sun*_5*|rs_aix*|*linux*|hp_ux11*|ia64_hpux*|*[nof]bsd*)   \
 		${COMPILE_PART1} tvolser ${COMPILE_PART2} ;;            \
 	*)                                                              \
 		echo Not building MT volser for ${SYS_NAME} ;;          \
@@ -316,7 +316,7 @@ tvolser: project viced usd libafsrpc libafsauthent volser
 
 dvolser: project viced usd libafsrpc libafsauthent volser
 	+@case ${SYS_NAME} in						\
-	*_darwin_*|alpha_dux*|sgi_*|sun*_5*|rs_aix*|*linux*|hp_ux11*|ia64_hpux*|*[nof]bsd*)   \
+	*_darwin_*|sgi_*|sun*_5*|rs_aix*|*linux*|hp_ux11*|ia64_hpux*|*[nof]bsd*)   \
 		${COMPILE_PART1} dvolser ${COMPILE_PART2} ;;            \
 	*)                                                              \
 		echo Not building DAFS volser for ${SYS_NAME} ;;          \
@@ -531,7 +531,7 @@ butc: cmd comerr bubasics butm budb bucoord cmd rxgen rx
 
 tbutc: cmd comerr bubasics butm budb bucoord cmd butc libadmin
 	+case ${SYS_NAME} in \
-	alpha_dux*|sgi_*|sun4x_*|sunx86_*|rs_aix*|*linux*|hp_ux11*|ia64_hpux*|*_darwin_*) \
+	sgi_*|sun4x_*|sunx86_*|rs_aix*|*linux*|hp_ux11*|ia64_hpux*|*_darwin_*) \
 		${COMPILE_PART1} tbutc ${COMPILE_PART2} ;; \
 	*) \
 		echo Not building MT butc for ${SYS_NAME} ;; \
@@ -542,7 +542,7 @@ budb: cmd comerr bubasics uss
 
 tbudb: budb tubik
 	+case ${SYS_NAME} in \
-	alpha_dux*|sgi_*|sun*_5*|rs_aix*|*linux*|hp_ux11*|ia64_hpux*|*[nof]bsd*|*_darwin_*) \
+	sgi_*|sun*_5*|rs_aix*|*linux*|hp_ux11*|ia64_hpux*|*[nof]bsd*|*_darwin_*) \
 		${COMPILE_PART1} tbudb ${COMPILE_PART2} ;; \
 	*) \
 		echo Not building MT budb for ${SYS_NAME} ;; \
@@ -567,7 +567,7 @@ tests: rxtests ubiktests rpctestlib viced
 # pthread based user space RX library
 libafsrpc: comerr fsint hcrypto lwp rx rxkad rxstat sys util
 	+case ${SYS_NAME} in \
-	alpha_dux*|sgi_*|sun4x_*|sunx86_*|rs_aix*|*linux*|hp_ux11*|ia64_hpux*|*[nof]bsd*) \
+	sgi_*|sun4x_*|sunx86_*|rs_aix*|*linux*|hp_ux11*|ia64_hpux*|*[nof]bsd*) \
 	${COMPILE_PART1} libafsrpc ${COMPILE_PART2} ;; \
 	*_darwin_[1-6][0-9]) \
 		echo Not building MT libafsrpc for ${SYS_NAME} ;; \
@@ -579,7 +579,7 @@ libafsrpc: comerr fsint hcrypto lwp rx rxkad rxstat sys util
 
 libafsauthent: audit auth kauth ubik util sys ptserver volser vlserver libafsrpc
 	+case ${SYS_NAME} in \
-	alpha_dux*|sgi_*|sun4x_*|sunx86_*|rs_aix*|*linux*|hp_ux11*|ia64_hpux*|*[nof]bsd*) \
+	sgi_*|sun4x_*|sunx86_*|rs_aix*|*linux*|hp_ux11*|ia64_hpux*|*[nof]bsd*) \
 	${COMPILE_PART1} libafsauthent ${COMPILE_PART2} ;; \
 	*_darwin_[1-6][0-9]) \
 		echo Not building MT libafsauthent for ${SYS_NAME} ;; \
@@ -606,7 +606,7 @@ libadmin_real:
 
 libadmin: libafsauthent bozo bubasics
 	+case ${SYS_NAME} in \
-	alpha_dux*|sgi_*|sun4x_*|sunx86_*|rs_aix*|*linux*|hp_ux11*|ia64_hpux*) \
+	sgi_*|sun4x_*|sunx86_*|rs_aix*|*linux*|hp_ux11*|ia64_hpux*) \
 			$(MAKE) libadmin_real ;; \
 	*_darwin_[1-6][0-9]) \
 		echo Not building MT libadmin for ${SYS_NAME} ;; \
@@ -618,7 +618,7 @@ libadmin: libafsauthent bozo bubasics
 
 libjafs: libadmin
 	+case ${SYS_NAME} in \
-	alpha_dux*|sgi_*|sun4x_*|rs_aix*|*linux*|hp_ux110) \
+	sgi_*|sun4x_*|rs_aix*|*linux*|hp_ux110) \
 	${COMPILE_PART1} JAVA/libjafs  ${COMPILE_PART2} ;; \
 	*) \
 		echo Not building MT libjafs for ${SYS_NAME} ;; \
diff --git a/src/afs/AIX/osi_file.c b/src/afs/AIX/osi_file.c
index 4bd33711e1..9ac164ac3a 100644
--- a/src/afs/AIX/osi_file.c
+++ b/src/afs/AIX/osi_file.c
@@ -37,7 +37,7 @@ osi_UFSOpen(afs_dcache_id_t *ainode)
 	osi_Panic("UFSOpen called for non-UFS cache\n");
     }
     if (!afs_osicred_initialized) {
-	/* valid for alpha_osf, SunOS, Ultrix */
+	/* valid for SunOS, Ultrix */
 	memset(&afs_osi_cred, 0, sizeof(afs_ucred_t));
 	crhold(&afs_osi_cred);	/* don't let it evaporate, since it is static */
 	afs_osicred_initialized = 1;
diff --git a/src/afs/DARWIN/osi_file.c b/src/afs/DARWIN/osi_file.c
index 19bfdf9b75..56de7155e0 100644
--- a/src/afs/DARWIN/osi_file.c
+++ b/src/afs/DARWIN/osi_file.c
@@ -151,7 +151,7 @@ osi_UFSOpen(afs_dcache_id_t *ainode)
 	osi_Panic("UFSOpen called for non-UFS cache\n");
     }
     if (!afs_osicred_initialized) {
-	/* valid for alpha_osf, SunOS, Ultrix */
+	/* valid for SunOS, Ultrix */
 	memset(&afs_osi_cred, 0, sizeof(afs_ucred_t));
 	afs_osi_cred.cr_ref++;
 #ifndef AFS_DARWIN110_ENV
diff --git a/src/afs/HPUX/osi_file.c b/src/afs/HPUX/osi_file.c
index a562fd46d0..df9991e973 100644
--- a/src/afs/HPUX/osi_file.c
+++ b/src/afs/HPUX/osi_file.c
@@ -37,7 +37,7 @@ osi_UFSOpen(afs_dcache_id_t *ainode)
 	osi_Panic("UFSOpen called for non-UFS cache\n");
     }
     if (!afs_osicred_initialized) {
-	/* valid for alpha_osf, SunOS, Ultrix */
+	/* valid for SunOS, Ultrix */
 	memset(&afs_osi_cred, 0, sizeof(afs_ucred_t));
 	crhold(&afs_osi_cred);	/* don't let it evaporate, since it is static */
 	afs_osicred_initialized = 1;
diff --git a/src/afs/IRIX/osi_file.c b/src/afs/IRIX/osi_file.c
index 92a366cc88..9f99c0046b 100644
--- a/src/afs/IRIX/osi_file.c
+++ b/src/afs/IRIX/osi_file.c
@@ -50,7 +50,7 @@ osi_UFSOpen(afs_dcache_id_t *ainode)
 	osi_Panic("UFSOpen called for non-UFS cache\n");
     }
     if (!afs_osicred_initialized) {
-	/* valid for alpha_osf, SunOS, Ultrix */
+	/* valid for SunOS, Ultrix */
 	memset(&afs_osi_cred, 0, sizeof(afs_ucred_t));
 	crhold(&afs_osi_cred);	/* don't let it evaporate, since it is static */
 	afs_osicred_initialized = 1;
diff --git a/src/afs/LINUX/osi_file.c b/src/afs/LINUX/osi_file.c
index fd68b16b38..21bfd84079 100644
--- a/src/afs/LINUX/osi_file.c
+++ b/src/afs/LINUX/osi_file.c
@@ -93,7 +93,7 @@ osi_UFSOpen(afs_dcache_id_t *ainode)
 	osi_Panic("UFSOpen called for non-UFS cache\n");
     }
     if (!afs_osicred_initialized) {
-	/* valid for alpha_osf, SunOS, Ultrix */
+	/* valid for SunOS, Ultrix */
 	memset(&afs_osi_cred, 0, sizeof(afs_ucred_t));
 	crhold(&afs_osi_cred);	/* don't let it evaporate, since it is static */
 	afs_osicred_initialized = 1;
diff --git a/src/afsd/Makefile.in b/src/afsd/Makefile.in
index 4e7319c749..ec46658b2a 100644
--- a/src/afsd/Makefile.in
+++ b/src/afsd/Makefile.in
@@ -114,9 +114,6 @@ dest: afsd vsys @ENABLE_FUSE_CLIENT@
 		sun*_511 ) \
 			${INSTALL} -d ${DEST}/root.client/usr/vice/etc/modload ; \
 			${INSTALL_SCRIPT} ${srcdir}/afs.rc.solaris.2.11 ${DEST}/root.client/usr/vice/etc/modload/afs.rc ;;\
-		alpha_osf* ) \
-			${INSTALL} -d ${DEST}/root.client/usr/vice/etc/dkload ; \
-			${INSTALL_SCRIPT} ${srcdir}/afs.rc.alpha ${DEST}/root.client/usr/vice/etc/dkload/afs.rc ;;\
 		hp_ux1122 ) \
 			${INSTALL} -d ${DEST}/root.client/usr/vice/etc/dkload ; \
 			${INSTALL_SCRIPT} ${srcdir}/afs.rc.hpux10 ${DEST}/root.client/usr/vice/etc/dkload/afs.rc ;\
@@ -125,9 +122,6 @@ dest: afsd vsys @ENABLE_FUSE_CLIENT@
 			${INSTALL} -d ${DEST}/root.client/usr/vice/etc/dkload ; \
 			${INSTALL_SCRIPT} ${srcdir}/afs.rc.hpux10 ${DEST}/root.client/usr/vice/etc/dkload/afs.rc ;\
 			${INSTALL_DATA} ${srcdir}/afs.hpux102.driver ${DEST}/root.client/usr/vice/etc/afs.driver ;;\
-		alpha_dux* ) \
-			${INSTALL} -d ${DEST}/root.client/usr/vice/etc/dkload ; \
-			${INSTALL_SCRIPT} ${srcdir}/afs.rc.alpha_dux40 ${DEST}/root.client/usr/vice/etc/dkload/afs.rc ;;\
 	        hp?00_ux10? ) \
 			${INSTALL} -d ${DEST}/root.client/usr/vice/etc/dkload ; \
 			${INSTALL_SCRIPT} ${srcdir}/afs.rc.hpux10 ${DEST}/root.client/usr/vice/etc/dkload/afs.rc ;;\
diff --git a/src/butc/Makefile.in b/src/butc/Makefile.in
index 5d942222e7..fbdc49f14d 100644
--- a/src/butc/Makefile.in
+++ b/src/butc/Makefile.in
@@ -97,7 +97,7 @@ clean:
 install: butc read_tape
 	${INSTALL} -d ${DESTDIR}${sbindir}
 	@case ${SYS_NAME} in \
-	alpha_dux*|sgi_*|sun4x_*|sunx86_*|rs_aix*|*linux*|hp_ux*) \
+	sgi_*|sun4x_*|sunx86_*|rs_aix*|*linux*|hp_ux*) \
 		echo "Don't install butc for ${SYS_NAME} (will install from tbutc)" ;; \
 	*_darwin_[1-6][0-9]) \
 		echo ${INSTALL_PROGRAM} butc ${DESTDIR}${sbindir}/butc ; \
@@ -113,7 +113,7 @@ install: butc read_tape
 dest: butc read_tape
 	${INSTALL} -d ${DEST}/etc
 	@case ${SYS_NAME} in \
-	alpha_dux*|sgi_*|sun4x_*|sunx86_*|rs_aix*|*linux*|hp_ux*) \
+	sgi_*|sun4x_*|sunx86_*|rs_aix*|*linux*|hp_ux*) \
 		echo "Don't install butc for ${SYS_NAME} (will install from tbutc)" ;; \
 	*_darwin_[1-6][0-9]) \
 		echo ${INSTALL_PROGRAM} butc ${DEST}/etc/butc ; \
diff --git a/src/cf/osconf.m4 b/src/cf/osconf.m4
index 8e3ce2763b..f3bb822d4e 100644
--- a/src/cf/osconf.m4
+++ b/src/cf/osconf.m4
@@ -45,27 +45,6 @@ AS_IF([test "x$GENCAT" = "xfalse"], [AC_MSG_ERROR([cannot find required command
 dnl TODO - need to disable STRIP if we are doing debugging in any user space code
 
 case $AFS_SYSNAME in
-	alpha_dux40)
-		CC="cc"
-		CSTATIC="-non_shared"
-		DBG="-g3"
-		MT_CFLAGS='-D_REENTRANT=1 -pthread'
-		MT_LIBS="-pthread -lpthread -lmach -lexc -lc"
-		XCFLAGS="-D_NO_PROTO -DOSF"
-		SHLIB_LINKER="${CC} -all -shared -expect_unresolved \"*\""
-		;;
-
-	alpha_dux50 | alpha_dux51)
-		CC="cc"
-		DBG="-g3"
-		CSTATIC="-non_shared"
-		LWP_OPTMZ="-O2"
-		MT_CFLAGS='-D_REENTRANT=1 -pthread'
-		MT_LIBS="-pthread -lpthread -lmach -lexc -lc"
-		XCFLAGS="-D_NO_PROTO -DOSF"
-		SHLIB_LINKER="${CC} -all -shared -expect_unresolved \"*\""
-		;;
-
 	alpha_linux_22 | alpha_linux_24 | alpha_linux_26)
 		CCOBJ="\$(CC) -fPIC"
 		MT_CFLAGS='-pthread -D_REENTRANT'
diff --git a/src/lwp/Makefile.in b/src/lwp/Makefile.in
index ce1fb11481..46561f1171 100644
--- a/src/lwp/Makefile.in
+++ b/src/lwp/Makefile.in
@@ -155,9 +155,6 @@ process.o	: process.default.s process.i386.s process.amd64.s process.c lwp.o
 		$(RM) process.s ;; \
 	hp* | *_linux* | *_umlinux* | sgi_64 | sgi_65 ) \
 		$(AFS_CCRULE_NOQ) -c ${srcdir}/process.c;; \
-	alpha_osf1 | alpha_osf20 |  alpha_osf30 | alpha_osf32 | alpha_osf32c | alpha_dux?? ) \
-		${AS} -v  -P -DOSF -I${TOP_INCDIR} -DASSEMBLER ${srcdir}/process.default.s; \
-		${AS} -v process.i -o process.o;; \
 	ia64_hpux11* | hp_ux11* ) \
 		$(AFS_CCRULE_NOQ) -c ${srcdir}/process.c;; \
 	i386_*) \
diff --git a/src/venus/Makefile.in b/src/venus/Makefile.in
index 78645b7d6e..280107f77d 100644
--- a/src/venus/Makefile.in
+++ b/src/venus/Makefile.in
@@ -172,8 +172,6 @@ kdump: kdump.o
 		$(MAKE) kdump-alpha_linux-@LINUX_VERSION@ ;; \
 	*linux* ) \
 		$(MAKE) kdump-linux-@LINUX_VERSION@ ;; \
-	alpha_osf1 | alpha_osf20 |  alpha_osf30 | alpha_osf32 | alpha_osf32c | alpha_dux??) \
-		${CC} -o kdump kdump.o ${TOP_LIBDIR}/libcmd.a  ${TOP_LIBDIR}/util.a ${XLIBS} -ll -lmld;; \
 	ncrx86_* ) ${CC} -o kdump kdump.o ${TOP_LIBDIR}/libcmd.a  ${TOP_LIBDIR}/util.a -lelf ${XLIBS} ;; \
 	*bsd*) touch kdump ;; \
 	* )     ${CC} -o kdump kdump.o ${TOP_LIBDIR}/libcmd.a  ${TOP_LIBDIR}/util.a ${XLIBS} ;; \
@@ -197,8 +195,6 @@ kdump.o: kdump.c ${INCLS} AFS_component_version_number.c
 			$(MAKE) kdump-alpha_linux-${LINUX_VERSION}.o ;; \
 		*linux* ) \
 			$(MAKE) kdump-linux-${LINUX_VERSION}.o ;; \
-		alpha_osf1 | alpha_osf20 |  alpha_osf30 | alpha_osf32 | alpha_osf32c| alpha_dux?? ) \
-			${CC} ${AFS_CFLAGS} -I/usr/sys/include -I/usr/sys/BINARY -I/usr/sys/AFS -DDEBUGGER -c ${srcdir}/kdump.c ;;\
 		sgi_6? ) \
 			for f in ../libafs/STATIC.IP*/CPU_KDEFS; \
 			do	IP=`expr "$$f" : '../libafs/STATIC.\(IP..\)'`; \
diff --git a/src/volser/Makefile.in b/src/volser/Makefile.in
index 7e9cc78af6..62b1e0bffb 100644
--- a/src/volser/Makefile.in
+++ b/src/volser/Makefile.in
@@ -198,7 +198,7 @@ install: restorevol voldump volser.h volint.h vos volserver libvolser.a
 	${INSTALL_PROGRAM} vos ${DESTDIR}${afssrvsbindir}/vos
 	${INSTALL_DATA} libvolser.a ${DESTDIR}${libdir}/afs/libvolser.a
 	@case ${SYS_NAME} in \
-	alpha_dux4*|*linux*|rs_aix*|sgi_6*|sun4x*|sunx86*) \
+	*linux*|rs_aix*|sgi_6*|sun4x*|sunx86*) \
 		echo "Don't install volserver for ${SYS_NAME}" ;; \
 	*_darwin_[1-6][0-9]) \
 		echo ${INSTALL} volserver \
@@ -228,7 +228,7 @@ dest: restorevol voldump volser.h volint.h vos volserver libvolser.a
 	${INSTALL_PROGRAM} vos ${DEST}/root.server/usr/afs/bin/vos
 	${INSTALL_DATA} libvolser.a ${DEST}/lib/afs/libvolser.a
 	@case ${SYS_NAME} in \
-	alpha_dux4*|*linux*|rs_aix*|sgi_6*|sun4x*|sunx86*) \
+	*linux*|rs_aix*|sgi_6*|sun4x*|sunx86*) \
 		echo "Don't install volserver for ${SYS_NAME}" ;; \
 	*_darwin_[1-6][0-9]) \
 		echo ${INSTALL} volserver \