diff --git a/ChangeLog b/ChangeLog
index 776641c270..545c9a9fd6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Wed Feb 24 00:52:42 2010  Akinori MUSHA  <knu@iDaemons.org>
+
+	* ext/openssl/lib/openssl/digest.rb (OpenSSL::Digest::hexdigest):
+	  No need to define hexdigest() here because the super method is
+	  properly defined to use digest() passing through arguments.
+
 Wed Feb 24 00:51:14 2010  Akinori MUSHA  <knu@iDaemons.org>
 
 	* ext/openssl/ossl_hmac.c (Init_ossl_hmac): Make OpenSSL::HMAC a
diff --git a/ext/openssl/lib/openssl/digest.rb b/ext/openssl/lib/openssl/digest.rb
index e603c41de4..7da80f23cf 100644
--- a/ext/openssl/lib/openssl/digest.rb
+++ b/ext/openssl/lib/openssl/digest.rb
@@ -43,7 +43,6 @@ module OpenSSL
       singleton = (class << klass; self; end)
       singleton.class_eval{
         define_method(:digest){|data| Digest.digest(name, data) }
-        define_method(:hexdigest){|data| Digest.hexdigest(name, data) }
       }
       const_set(name, klass)
     }