diff --git a/CHANGES b/CHANGES
index b5a512a78..8802e3ebc 100644
--- a/CHANGES
+++ b/CHANGES
@@ -6,6 +6,11 @@
 
                                   Changelog
 
+Yang Tse (2 Feb 2010)
+- Symbol CURL_FORMAT_OFF_T now obsoleted, will be removed in a future release,
+  symbol will not be available when building with CURL_NO_OLDIES defined. Use
+  of CURL_FORMAT_CURL_OFF_T is preferred since 7.19.0
+
 Daniel Stenberg (1 Feb 2010)
 - Using the multi_socket API, it turns out at times it seemed to "forget"
   connections (which caused a hang). It turned out to be an existing (7.19.7)
diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index d8a1fe4d9..22f362085 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -21,6 +21,7 @@ This release includes the following changes:
  o curl supports --ssl and --ssl-reqd
  o added -J/--remote-header-name for using server-provided filename with -O
  o enhanced asynchronous DNS lookups
+ o symbol CURL_FORMAT_OFF_T is obsoleted
 
 This release includes the following bugfixes:
 
diff --git a/include/curl/curlrules.h b/include/curl/curlrules.h
index 9705e2ba9..8e7096642 100644
--- a/include/curl/curlrules.h
+++ b/include/curl/curlrules.h
@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2009, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2010, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -246,4 +246,8 @@ typedef char
 #undef CURL_TYPEOF_CURL_SOCKLEN_T
 #undef CURL_TYPEOF_CURL_OFF_T
 
+#ifdef CURL_NO_OLDIES
+#undef CURL_FORMAT_OFF_T /* not required since 7.19.0 - obsoleted in 7.20.0 */
+#endif
+
 #endif /* __CURL_CURLRULES_H */