diff --git a/src/ssb.rpc.c b/src/ssb.rpc.c
index bbf4203e..9798dcc5 100644
--- a/src/ssb.rpc.c
+++ b/src/ssb.rpc.c
@@ -566,7 +566,6 @@ static void _tf_ssb_rpc_connection_blobs_createWants_callback(
 				*work = (blob_create_wants_work_t) {
 					.connection = connection,
 					.size = size,
-					.out_size = -1ULL,
 				};
 				snprintf(work->blob_id, sizeof(work->blob_id), "%s", blob_id);
 				tf_ssb_connection_run_work(connection, _tf_ssb_rpc_connection_blobs_create_wants_work, _tf_ssb_rpc_connection_blobs_create_wants_after_work, work);