diff --git a/dev/double-spend-scenario.js b/dev/double-spend-scenario.js
index 73e112c3..eef96ccb 100644
--- a/dev/double-spend-scenario.js
+++ b/dev/double-spend-scenario.js
@@ -28,13 +28,21 @@ db.addOutgoingTx(session, tx, function (err, res) {
   console.log(res)
 })
 
+db.addOutgoingTx(session, tx2, function (err, res) {
+  console.log('DEBUG2')
+  console.log(err)
+  console.log(res)
+})
+
+/*
 setTimeout(function () {
   db.addOutgoingTx(session, tx2, function (err, res) {
     console.log('DEBUG2')
     console.log(err)
     console.log(res)
   })
-}, 1000)
+}, 0)
+*/
 
 var bills = {
   uuid: 'c630338c-cd03-11e5-a9df-dbc9be2e9fbb',
diff --git a/lib/postgresql_interface.js b/lib/postgresql_interface.js
index 86935f2b..ca58093d 100644
--- a/lib/postgresql_interface.js
+++ b/lib/postgresql_interface.js
@@ -181,7 +181,6 @@ function billsAndTxs(client, session, cb) {
 }
 
 function computeSendAmount(tx, totals) {
-  console.log('DEBUG10')
   var fiatRemaining = (tx.fiat || totals.billsFiat) - totals.txFiat;
   var satoshisRemaining = (tx.satoshis || totals.billsSatoshis) -
     totals.txSatoshis;
@@ -304,8 +303,6 @@ function insertTx(client, session, incoming, tx, satoshis, fiat, stage,
     tx.error
   ];
 
-  console.log('DEBUG11')
-
   query(client, getInsertQuery('transactions', fields, true), values,
       function(err, results) {
     if (err) return cb(err);
@@ -350,7 +347,7 @@ exports.addOutgoingTx = function addOutgoingTx(session, tx, cb) {
     if (cerr) return cb(cerr);
     async.series([
       async.apply(silentQuery, client, 'BEGIN'),
-      async.apply(silentQuery, client, 'LOCK TABLE transactions NOWAIT'),
+      async.apply(silentQuery, client, 'LOCK TABLE transactions'),
       async.apply(insertOutgoingCompleteTx, client, session, tx),
       async.apply(removePendingTx, client, session),
       async.apply(buildOutgoingTx, client, session, tx)