diff --git a/lib/server.js b/lib/server.js
index bdc2db8..b805aab 100644
--- a/lib/server.js
+++ b/lib/server.js
@@ -797,7 +797,7 @@ WalletService.prototype.createTx = function(opts, cb) {
     return cb(new ClientError('Required argument missing'));
 
   var feePerKb = opts.feePerKb || 10000;
-  if (!_.contains([1000, 5000, 10000], feePerKb))
+  if (feePerKb > 10000)
     return cb(new ClientError('Invalid fee per KB value'));
 
   self._runLocked(cb, function(cb) {
diff --git a/test/integration/server.js b/test/integration/server.js
index 005029f..ac54ffa 100644
--- a/test/integration/server.js
+++ b/test/integration/server.js
@@ -216,7 +216,7 @@ helpers.createAddresses = function(server, wallet, main, change, cb) {
 
 var storage, blockchainExplorer;
 
-var useMongo = true;
+var useMongo = false;
 
 function initStorage(cb) {
   function getDb(cb) {