diff --git a/ChangeLog b/ChangeLog
index 3aed430ced..ff71a8f13b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,4 @@
-Fri Jul 13 11:17:53 2007  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+Fri Jul 13 11:25:10 2007  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* parse.y (program, stmt, primary): reduced duplicated code.
 
@@ -8,6 +8,8 @@ Fri Jul 13 11:17:53 2007  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 	* parse.y (debug_lines): use rb_hash_lookup() to get rid of
 	  call of Hash#default.
 
+	* parse.y (ripper_warningS): unused in ripper right now.
+
 Fri Jul 13 10:33:29 2007  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* array.c (rb_ary_flatten_bang): check argument if valid
diff --git a/parse.y b/parse.y
index 8fdd12e17a..ce65285a83 100644
--- a/parse.y
+++ b/parse.y
@@ -9003,12 +9003,14 @@ ripper_warning0(struct parser_params *parser, const char *fmt)
     rb_funcall(parser->value, rb_intern("warning"), 1, rb_str_new2(fmt));
 }
 
+#if 0				/* unused in ripper right now */
 static void
 ripper_warningS(struct parser_params *parser, const char *fmt, const char *str)
 {
     rb_funcall(parser->value, rb_intern("warning"), 2,
     	       rb_str_new2(fmt), rb_str_new2(str));
 }
+#endif
 
 static VALUE
 ripper_lex_get_generic(struct parser_params *parser, VALUE src)