diff --git a/train.sh b/train.sh
index e687cff..50cd882 100755
--- a/train.sh
+++ b/train.sh
@@ -3,7 +3,6 @@
 curdir=`pwd`
 pylibdir=`realpath $curdir/lib/python`
 train=`realpath $pylibdir/train.py`
-ckpt_update=`realpath $pylibdir/update_ckpt.py`
 # train script options
 # m 0 : ACAM
 # m 1 : bDNN