diff --git a/ChangeLog b/ChangeLog
index 7034d78de2..e2538a5763 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed Jun  1 00:34:04 2011  CHIKANAGA Tomoyuki  <nagachika00@gmail.com>
+
+	* ext/bigdecimal/bigdecimal.c (GetVpValueWithPrec): remove unused
+	  variable.
+
 Tue Jun  1 00:32:00 2011  Kenta Murata  <mrkn@mrkn.jp>
 
 	* ext/bigdecimal/bigdecimal.c (GetVpValueWithPrec): support instantiation from
diff --git a/ext/bigdecimal/bigdecimal.c b/ext/bigdecimal/bigdecimal.c
index 726c063a1d..353210b336 100644
--- a/ext/bigdecimal/bigdecimal.c
+++ b/ext/bigdecimal/bigdecimal.c
@@ -141,7 +141,6 @@ GetVpValueWithPrec(VALUE v, long prec, int must)
     VALUE num, bg, args[2];
     char szD[128];
     VALUE orig = Qundef;
-    int util_loaded = 0;
 
 again:
     switch(TYPE(v))