diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c
index 58af84e30144b864b952862297c8c62684d6ddb2..7f11ea07d698f1cb7d2029e9fc35554c9ca7a575 100644
--- a/drivers/hv/hv_balloon.c
+++ b/drivers/hv/hv_balloon.c
@@ -1010,7 +1010,6 @@ static void hot_add_req(struct work_struct *dummy)
 		 * that need to be hot-added while ensuring the alignment
 		 * and size requirements of Linux as it relates to hot-add.
 		 */
-		region_start = pg_start;
 		region_size = (pfn_cnt / HA_CHUNK) * HA_CHUNK;
 		if (pfn_cnt % HA_CHUNK)
 			region_size += HA_CHUNK;