diff --git a/common/cmd_ubi.c b/common/cmd_ubi.c
index 629758fdf5..8c1bc23a5a 100644
--- a/common/cmd_ubi.c
+++ b/common/cmd_ubi.c
@@ -316,7 +316,6 @@ static int ubi_volume_write(char *volume, void *buf, size_t size)
 static int ubi_volume_read(char *volume, char *buf, size_t size)
 {
 	int err, lnum, off, len, tbuf_size;
-	size_t count_save = size;
 	void *tbuf;
 	unsigned long long tmp;
 	struct ubi_volume *vol;
@@ -347,7 +346,7 @@ static int ubi_volume_read(char *volume, char *buf, size_t size)
 	if (vol->corrupted)
 		printf("read from corrupted volume %d", vol->vol_id);
 	if (offp + size > vol->used_bytes)
-		count_save = size = vol->used_bytes - offp;
+		size = vol->used_bytes - offp;
 
 	tbuf_size = vol->usable_leb_size;
 	if (size < tbuf_size)