diff --git a/storage/innobase/trx/trx0trx.c b/storage/innobase/trx/trx0trx.c
index 545226a5994..21f75e0818f 100644
--- a/storage/innobase/trx/trx0trx.c
+++ b/storage/innobase/trx/trx0trx.c
@@ -1827,7 +1827,6 @@ trx_prepare_off_kernel(
 /*===================*/
 	trx_t*	trx)	/* in: transaction */
 {
-	page_t*		update_hdr_page;
 	trx_rseg_t*	rseg;
 	ibool		must_flush_log	= FALSE;
 	dulint		lsn;
@@ -1863,7 +1862,7 @@ trx_prepare_off_kernel(
 		}
 
 		if (trx->update_undo) {
-			update_hdr_page = trx_undo_set_state_at_prepare(
+			trx_undo_set_state_at_prepare(
 				trx, trx->update_undo, &mtr);
 		}