diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 247ddaf7348786c512ee4a3f7c25951d4550305f..89069aadc82aef59c70d52bacd8b04a480dd761f 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,9 @@
+2004-03-16  Benjamin Kosnik  <bkoz@redhat.com>
+
+	* acinclude.m4 (GLIBCXX_ENABLE_ALLOCATOR): Default setting is
+	new_allocator for all hosts.
+	* configure: Regenerate.
+	
 2004-03-16  Paolo Carlini  <pcarlini@suse.de>
 
 	* testsuite/22_locale/num_put/put/char/4.cc: Fix for 64-bit pointers.
diff --git a/libstdc++-v3/acinclude.m4 b/libstdc++-v3/acinclude.m4
index e9ba13ff179381e24787e04d15e9b99b9ac7222d..9a53a7aa177a0a701d7d48b5be85391c95937344 100644
--- a/libstdc++-v3/acinclude.m4
+++ b/libstdc++-v3/acinclude.m4
@@ -1195,21 +1195,6 @@ AC_DEFUN([GLIBCXX_ENABLE_ALLOCATOR], [
   # Default to "new".
   if test $enable_libstdcxx_allocator_flag = auto; then
     case ${target_os} in
-      freebsd*)
-        enable_libstdcxx_allocator_flag=mt
-        ;;
-      hpux11*)
-        enable_libstdcxx_allocator_flag=mt
-        ;;
-      irix6*)
-        enable_libstdcxx_allocator_flag=mt
-        ;;
-      linux* | gnu* | kfreebsd*-gnu | knetbsd*-gnu)
-        enable_libstdcxx_allocator_flag=mt
-        ;;
-      solaris*)
-        enable_libstdcxx_allocator_flag=mt
-        ;;
       *)
         enable_libstdcxx_allocator_flag=new
         ;;
diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure
index c82bf3f07989495a074dfaf12987776f9fe0f318..571f5d52376d06a2c9f86656f579028894d8c389 100755
--- a/libstdc++-v3/configure
+++ b/libstdc++-v3/configure
@@ -6291,21 +6291,6 @@ fi;
   # Default to "new".
   if test $enable_libstdcxx_allocator_flag = auto; then
     case ${target_os} in
-      freebsd*)
-        enable_libstdcxx_allocator_flag=mt
-        ;;
-      hpux11*)
-        enable_libstdcxx_allocator_flag=mt
-        ;;
-      irix6*)
-        enable_libstdcxx_allocator_flag=mt
-        ;;
-      linux* | gnu* | kfreebsd*-gnu | knetbsd*-gnu)
-        enable_libstdcxx_allocator_flag=mt
-        ;;
-      solaris*)
-        enable_libstdcxx_allocator_flag=mt
-        ;;
       *)
         enable_libstdcxx_allocator_flag=new
         ;;