diff --git a/ChangeLog b/ChangeLog
index 13f8efe144..0e225fe1bb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sun May 12 17:52:23 2013  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
+
+	* configure.in: removes 'ac_cv_func_fseeko=yes' form MinGW
+	  specific definitions.
+
 Sun May 12 17:25:46 2013  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
 
 	* configure.in: removes AC_CHECK_FUNCS(truncate64) because it's
diff --git a/configure.in b/configure.in
index 09a29b0742..6050b15d2a 100644
--- a/configure.in
+++ b/configure.in
@@ -941,7 +941,6 @@ main()
 		ac_cv_func_isnan=yes
 		ac_cv_func_finite=yes
 		ac_cv_func_link=yes
-		ac_cv_func_fseeko=yes
 		ac_cv_lib_crypt_crypt=no
 		ac_cv_func_getpgrp_void=no
 		ac_cv_func_memcmp_working=yes