diff --git a/newlib/libc/sys/phoenix/machine/configure b/newlib/libc/sys/phoenix/machine/configure
index 8d7fde54d..c18e26eb5 100644
--- a/newlib/libc/sys/phoenix/machine/configure
+++ b/newlib/libc/sys/phoenix/machine/configure
@@ -727,10 +727,7 @@ CPPFLAGS
 CPP
 CCAS
 CCASFLAGS'
-ac_subdirs_all='arm
-esirisc
-i386
-powerpc'
+ac_subdirs_all='arm'
 
 # Initialize some variables set by options.
 ac_init_help=
@@ -4269,12 +4266,6 @@ if test -n "${machine_dir}"; then
 	arm)
 
 subdirs="$subdirs arm"
- ;;
-	esirisc) subdirs="$subdirs esirisc"
- ;;
-	i386) subdirs="$subdirs i386"
- ;;
-	powerpc) subdirs="$subdirs powerpc"
  ;;
   esac;
 fi
diff --git a/newlib/libc/sys/phoenix/machine/configure.ac b/newlib/libc/sys/phoenix/machine/configure.ac
index 05dd0f8e4..972ffc9c8 100644
--- a/newlib/libc/sys/phoenix/machine/configure.ac
+++ b/newlib/libc/sys/phoenix/machine/configure.ac
@@ -12,9 +12,6 @@ NEWLIB_CONFIGURE(../../../..)
 if test -n "${machine_dir}"; then
   case ${machine_dir} in
 	arm) AC_CONFIG_SUBDIRS(arm) ;;
-	esirisc) AC_CONFIG_SUBDIRS(esirisc) ;;
-	i386) AC_CONFIG_SUBDIRS(i386) ;;
-	powerpc) AC_CONFIG_SUBDIRS(powerpc) ;;
   esac;
 fi