diff --git a/ChangeLog b/ChangeLog
index cb107431f0..7303da4a64 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sat Apr 16 14:15:24 2016  Yuichiro Kaneko  <yui-knk@ruby-lang.org>
+
+	* ext/date/date_core.c : remove not used f_utc6 macro.
+	  After r54169 f_utc6 macro is not used.
+
 Sat Apr 16 10:00:11 2016  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* struct.c (struct_make_members_list, rb_struct_s_def): member
diff --git a/ext/date/date_core.c b/ext/date/date_core.c
index 90350b0e1d..795c4bed8e 100644
--- a/ext/date/date_core.c
+++ b/ext/date/date_core.c
@@ -8399,8 +8399,6 @@ dt_lite_jisx0301(int argc, VALUE *argv, VALUE self)
 #define f_subsec(x) rb_funcall(x, rb_intern("subsec"), 0)
 #define f_utc_offset(x) rb_funcall(x, rb_intern("utc_offset"), 0)
 #define f_local3(x,y,m,d) rb_funcall(x, rb_intern("local"), 3, y, m, d)
-#define f_utc6(x,y,m,d,h,min,s) rb_funcall(x, rb_intern("utc"), 6,\
-					   y, m, d, h, min, s)
 
 /*
  * call-seq: