diff --git a/ChangeLog b/ChangeLog
index 714489531a..c17e1a8aab 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Mon Nov  6 22:23:52 2006  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* string.c (Init_String): remove duplicated definition of
+	  Symbol#to_s.
+
 Mon Nov  6 18:54:13 2006  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* eval.c (svalue_to_avalue): need to splat but no error.
diff --git a/string.c b/string.c
index 56b03baa74..8fc5c9836a 100644
--- a/string.c
+++ b/string.c
@@ -5020,7 +5020,6 @@ Init_String(void)
     rb_define_method(rb_cSymbol, "chr", rb_str_chr, 0);
 
     rb_define_method(rb_cSymbol, "to_f", rb_str_to_f, 0);
-    rb_define_method(rb_cSymbol, "to_s", rb_str_to_s, 0);
     rb_define_method(rb_cSymbol, "to_str", rb_str_to_s, 0);
     rb_define_method(rb_cSymbol, "dump", rb_str_dump, 0);