diff --git a/ChangeLog b/ChangeLog
index d1cd49098b..f7f9bbe48a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Wed Jan  9 01:35:10 2008  NARUSE, Yui  <naruse@ruby-lang.org>
+
+	* enc/Makefile.in (BUILTIN_ENCS): UTF-{16,32}{BE,LE} are not builtin.
+
 Tue Jan  8 23:55:15 2008  NARUSE, Yui  <naruse@ruby-lang.org>
 
 	* encoding.c (rb_enc_init): UTF-{16,32}{BE,LE} are not builtin.
diff --git a/enc/Makefile.in b/enc/Makefile.in
index 234a7e89c5..082be84c86 100644
--- a/enc/Makefile.in
+++ b/enc/Makefile.in
@@ -16,8 +16,7 @@ OBJEXT = @OBJEXT@
 
 BUILTIN_ENCS	= ascii.c \
 		  euc_jp.c sjis.c \
-		  unicode.c utf8.c \
-		  utf_16be.c utf_16le.c utf_32be.c utf_32le.c
+		  unicode.c utf8.c
 
 RUBY_SO_NAME = @RUBY_SO_NAME@
 LIBRUBY = @LIBRUBY@