diff --git a/src/libpmemobj/obj.c b/src/libpmemobj/obj.c
index e3fdf9cba266782bff4870a91585be34e478084e..4f725da7c15833f72c16d0e914a333b273143f2f 100644
--- a/src/libpmemobj/obj.c
+++ b/src/libpmemobj/obj.c
@@ -1269,7 +1269,6 @@ obj_runtime_init(PMEMobjpool *pop, int rdonly, int boot, unsigned nlanes)
 		ERR("!ravl_new_sized");
 		goto err_user_buffers_map;
 	}
-	ASSERTne(pop->ulog_user_buffers.map, NULL);
 	pop->ulog_user_buffers.verify = 0;
 
 	/*
diff --git a/src/libpmemobj/tx.c b/src/libpmemobj/tx.c
index 7ac21ae256a39a66a60947122c350c202845346d..d768f53732d817c51aee338e0cce41fe04bb635b 100644
--- a/src/libpmemobj/tx.c
+++ b/src/libpmemobj/tx.c
@@ -1820,18 +1820,6 @@ pmemobj_tx_log_append_buffer(enum pobj_log_type type, void *addr, size_t size)
 	err = tx_construct_user_buffer(tx, addr, size, type,
 			PMDK_SLIST_NEXT(td, tx_entry) == NULL);
 
-	if (err)
-		goto err_abort;
-
-	PMEMOBJ_API_END();
-	return 0;
-
-err_abort:
-	if (tx->stage == TX_STAGE_WORK)
-		err = obj_tx_abort_err(err);
-	else
-		tx->stage = TX_STAGE_ONABORT;
-
 	PMEMOBJ_API_END();
 	return err;
 }