diff --git a/Makeconfig b/Makeconfig
index 0780788..fad2971 100644
--- a/Makeconfig
+++ b/Makeconfig
@@ -958,13 +958,9 @@ $(common-objpfx)shlib-versions.v.i: \
 		   $(subdir-srcdirs:=/shlib-versions)) \
 	$(..)shlib-versions
 
-soversions-default-setname = $(patsubst %, %,\
-					$(filter-out %_default,\
-						     $(oldest-abi:%=GLIBC_%)))
 $(common-objpfx)soversions.i: $(..)scripts/soversions.awk \
 			      $(common-objpfx)shlib-versions.v
-	$(AWK) -v default_setname='$(soversions-default-setname)' \
-	       -f $^ > $@T
+	$(AWK) -f $^ > $@T
 	mv -f $@T $@
 $(common-objpfx)soversions.mk: $(common-objpfx)soversions.i $(..)Makeconfig
 	(while read which lib number setname; do \
diff --git a/Makerules b/Makerules
index 6b30e8c..30c83ae 100644
--- a/Makerules
+++ b/Makerules
@@ -98,7 +98,7 @@ ifndef avoid-generated
 before-compile := $(common-objpfx)abi-versions.h $(before-compile)
 $(common-objpfx)abi-versions.h: $(..)scripts/abi-versions.awk \
 				$(common-objpfx)Versions.all
-	LC_ALL=C $(AWK) -v oldest_abi=$(oldest-abi) -f $^ > $@T
+	LC_ALL=C $(AWK) -f $^ > $@T
 	mv -f $@T $@
 
 $(common-objpfx)%.latest: $(common-objpfx)abi-versions.h
diff --git a/config.h.in b/config.h.in
index fcbe8ad..20c0825 100644
--- a/config.h.in
+++ b/config.h.in
@@ -54,9 +54,6 @@
    directive.  */
 #undef	HAVE_ASM_POPSECTION_DIRECTIVE
 
-/* Defined to the oldest ABI we support, like 2.1.  */
-#undef GLIBC_OLDEST_ABI
-
 /* Define if static NSS modules are wanted.  */
 #undef	DO_STATIC_NSS
 
diff --git a/config.make.in b/config.make.in
index 6bcab8a..4a781fd 100644
--- a/config.make.in
+++ b/config.make.in
@@ -68,7 +68,6 @@ output-format = @libc_cv_output_format@
 
 static-libgcc = @libc_cv_gcc_static_libgcc@
 
-oldest-abi = @oldest_abi@
 exceptions = @exceptions@
 multi-arch = @multi_arch@
 
diff --git a/configure b/configure
index ff5c730..28f2b44 100755
--- a/configure
+++ b/configure
@@ -653,7 +653,6 @@ force_install
 bindnow
 enable_lock_elision
 hardcoded_path_in_tests
-oldest_abi
 use_default_link
 sysheaders
 with_fp
@@ -737,7 +736,6 @@ with_default_link
 enable_sanity_checks
 enable_shared
 enable_profile
-enable_oldest_abi
 enable_hardcoded_path_in_tests
 enable_stackguard_randomization
 enable_lock_elision
@@ -1390,8 +1388,6 @@ Optional Features:
                           in special situations) [default=yes]
   --enable-shared         build shared library [default=yes if GNU ld]
   --enable-profile        build profiled library [default=no]
-  --enable-oldest-abi=ABI configure the oldest ABI supported [e.g. 2.2]
-                          [default=glibc default]
   --enable-hardcoded-path-in-tests
                           hardcode newly built glibc path in tests
                           [default=no]
@@ -3432,23 +3428,6 @@ else
 fi
 
 
-# Check whether --enable-oldest-abi was given.
-if test "${enable_oldest_abi+set}" = set; then :
-  enableval=$enable_oldest_abi; oldest_abi=$enableval
-else
-  oldest_abi=no
-fi
-
-if test "$oldest_abi" = yes || test "$oldest_abi" = no; then
-  oldest_abi=default
-else
-  cat >>confdefs.h <<_ACEOF
-#define GLIBC_OLDEST_ABI "$oldest_abi"
-_ACEOF
-
-fi
-
-
 # Check whether --enable-hardcoded-path-in-tests was given.
 if test "${enable_hardcoded_path_in_tests+set}" = set; then :
   enableval=$enable_hardcoded_path_in_tests; hardcoded_path_in_tests=$enableval
diff --git a/configure.ac b/configure.ac
index 794ffc2..82d0896 100644
--- a/configure.ac
+++ b/configure.ac
@@ -151,18 +151,6 @@ AC_ARG_ENABLE([profile],
 	      [profile=$enableval],
 	      [profile=no])
 
-AC_ARG_ENABLE([oldest-abi],
-	      AC_HELP_STRING([--enable-oldest-abi=ABI],
-			     [configure the oldest ABI supported @<:@e.g. 2.2@:>@ @<:@default=glibc default@:>@]),
-	      [oldest_abi=$enableval],
-	      [oldest_abi=no])
-if test "$oldest_abi" = yes || test "$oldest_abi" = no; then
-  oldest_abi=default
-else
-  AC_DEFINE_UNQUOTED(GLIBC_OLDEST_ABI, "$oldest_abi")
-fi
-AC_SUBST(oldest_abi)
-
 AC_ARG_ENABLE([hardcoded-path-in-tests],
 	      AC_HELP_STRING([--enable-hardcoded-path-in-tests],
 			     [hardcode newly built glibc path in tests @<:@default=no@:>@]),
diff --git a/csu/version.c b/csu/version.c
index b117b02..4238c2f 100644
--- a/csu/version.c
+++ b/csu/version.c
@@ -34,9 +34,6 @@ Compiled by GNU CC version "__VERSION__".\n"
 #ifdef LIBC_ABIS_STRING
 LIBC_ABIS_STRING
 #endif
-#ifdef GLIBC_OLDEST_ABI
-"The oldest ABI supported: " GLIBC_OLDEST_ABI ".\n"
-#endif
 "For bug reporting instructions, please see:\n\
 "REPORT_BUGS_TO".\n";
 
diff --git a/scripts/abi-versions.awk b/scripts/abi-versions.awk
index 06fa148..c369793 100644
--- a/scripts/abi-versions.awk
+++ b/scripts/abi-versions.awk
@@ -1,9 +1,6 @@
 # Script to generate <abi-versions.h> header file from Versions.all list.
 # See include/shlib-compat.h comments for explanation.
 
-# This script expects the following variables to be defined:
-# oldest_abi		the oldest ABI supported
-
 BEGIN {
   print "/* This file is automatically generated by abi-versions.awk.";
   print "   It defines symbols used by shlib-compat.h, which see.  */";
@@ -31,8 +28,6 @@ $2 == "=" {
   printf "#define ABI_%s_%s\tABI_%s_%s\n", libid, oldid, libid, newid;
   printf "#define VERSION_%s_%s\t%s\n", libid, oldid, new;
 
-  if ("GLIBC_" oldest_abi == old)
-    oldest_abi = "default";
   next;
 }
 
@@ -43,10 +38,6 @@ $2 == "=" {
 
   printf "#define ABI_%s_%s\t%d\t/* support %s */\n", libid, versid, ++n, vers;
   printf "#define VERSION_%s_%s\t%s\n", libid, versid, vers;
-  if ("GLIBC_" oldest_abi == vers)
-    start = 1;
-  if (start == 0 && oldest_abi != "default")
-    --n;
   next;
 }
 
diff --git a/scripts/soversions.awk b/scripts/soversions.awk
index dbc9059..247f061 100644
--- a/scripts/soversions.awk
+++ b/scripts/soversions.awk
@@ -27,7 +27,7 @@ END {
     if (lib in versions)
       set = versions[lib];
     else {
-      set = default_setname;
+      set = "";
       if (ndefault_set >= 1)
 	set = default_set[1];
     }
diff --git a/sysdeps/mach/hurd/configure b/sysdeps/mach/hurd/configure
index 21999f7..4248758 100644
--- a/sysdeps/mach/hurd/configure
+++ b/sysdeps/mach/hurd/configure
@@ -3,16 +3,6 @@
 $as_echo "#define NO_HIDDEN 1" >>confdefs.h
 
 
-case "$machine" in
-  i386*)
-    # The default oldest ABI is 2.2.6.
-    # We only need a "yes" here if the oldest ABI supported will be < 2.2.6.
-    if test "$oldest_abi" != default && test "$oldest_abi" \< "2.2.6"; then
-      libc_cv_gcc_unwind_find_fde=yes
-    fi
-    ;;
-esac
-
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking Hurd header version" >&5
 $as_echo_n "checking Hurd header version... " >&6; }
diff --git a/sysdeps/mach/hurd/configure.ac b/sysdeps/mach/hurd/configure.ac
index 40b0743..b1f16a5 100644
--- a/sysdeps/mach/hurd/configure.ac
+++ b/sysdeps/mach/hurd/configure.ac
@@ -3,16 +3,6 @@ GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
 dnl We need this setting because of the need for PLT calls in ld.so.
 AC_DEFINE([NO_HIDDEN])
 
-case "$machine" in
-  i386*)
-    # The default oldest ABI is 2.2.6.
-    # We only need a "yes" here if the oldest ABI supported will be < 2.2.6.
-    if test "$oldest_abi" != default && test "$oldest_abi" \< "2.2.6"; then
-      libc_cv_gcc_unwind_find_fde=yes
-    fi
-    ;;
-esac
-
 AC_CACHE_CHECK(Hurd header version, libc_cv_hurd_version, [dnl
 AC_TRY_COMPILE(dnl
 [#include <hurd/version.h>], [
diff --git a/sysdeps/unix/sysv/linux/configure b/sysdeps/unix/sysv/linux/configure
index 7825ff6..ef9d425 100644
--- a/sysdeps/unix/sysv/linux/configure
+++ b/sysdeps/unix/sysv/linux/configure
@@ -148,12 +148,6 @@ fi
 
 
 
-# The result of the above test for the use of the FDE code is invalid if
-# the user overrides the decision about the minimum ABI.
-if test "$oldest_abi" != default && test "2.2.4" \< "$oldest_abi"; then
-  libc_cv_gcc_unwind_find_fde=no
-fi
-
 if test -n "$sysheaders"; then
   CPPFLAGS=$OLD_CPPFLAGS
 fi
diff --git a/sysdeps/unix/sysv/linux/configure.ac b/sysdeps/unix/sysv/linux/configure.ac
index f207c26..6738e2d 100644
--- a/sysdeps/unix/sysv/linux/configure.ac
+++ b/sysdeps/unix/sysv/linux/configure.ac
@@ -71,12 +71,6 @@ AC_CHECK_HEADER(linux/fanotify.h,
   [AC_DEFINE(HAVE_LINUX_FANOTIFY_H)], ,
   [/* No default includes.  */])
 
-# The result of the above test for the use of the FDE code is invalid if
-# the user overrides the decision about the minimum ABI.
-if test "$oldest_abi" != default && test "2.2.4" \< "$oldest_abi"; then
-  libc_cv_gcc_unwind_find_fde=no
-fi
-
 if test -n "$sysheaders"; then
   CPPFLAGS=$OLD_CPPFLAGS
 fi
