diff --git a/test-tool/0251_prefetch16_flags.c b/test-tool/0251_prefetch16_flags.c
index 0766821..f0df610 100644
--- a/test-tool/0251_prefetch16_flags.c
+++ b/test-tool/0251_prefetch16_flags.c
@@ -1,16 +1,16 @@
-/* 
+/*
    Copyright (C) 2012 by Ronnie Sahlberg <ronniesahlberg@gmail.com>
-   
+
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.
-   
+
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
-   
+
    You should have received a copy of the GNU General Public License
    along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
@@ -21,12 +21,11 @@
 #include "iscsi-test.h"
 
 int T0251_prefetch16_flags(const char *initiator, const char *url, int data_loss _U_, int show_info)
-{ 
+{
 	struct iscsi_context *iscsi;
 	struct scsi_task *task;
 	struct scsi_readcapacity16 *rc16;
 	int ret, i, lun;
-	uint64_t num_blocks;
 
 	printf("0251_prefetch16_flags:\n");
 	printf("===================\n");
@@ -64,7 +63,7 @@ int T0251_prefetch16_flags(const char *initiator, const char *url, int data_loss
 		scsi_free_scsi_task(task);
 		goto finished;
 	}
-	num_blocks = rc16->returned_lba;
+
 	scsi_free_scsi_task(task);
 
 	ret = 0;