diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c
index 1aa721ba26..eaf3a2d99b 100644
--- a/libraries/liblmdb/mdb.c
+++ b/libraries/liblmdb/mdb.c
@@ -3547,10 +3547,8 @@ renew:
 	}
 	if (rc) {
 		if (txn != env->me_txn0) {
-#if MDB_RPAGE_CACHE
-			if (MDB_REMAPPING(env->me_flags))
-				free(txn->mt_rpages);
-#endif
+			/* mt_rpages belongs to parent */
+			free(txn->mt_u.dirty_list);
 			free(txn);
 		}
 	} else {