diff --git a/integration/index.js b/integration/index.js
index 14da0300..c48bbd6f 100644
--- a/integration/index.js
+++ b/integration/index.js
@@ -62,7 +62,7 @@ describe('Basic Functionality', function() {
     });
   });
     
-  describe.only('determine if outpoint is unspent/spent', function() {
+  describe('determine if outpoint is unspent/spent', function() {
     spentData.forEach(function(data) {
       it('for spent txid ' + data.txid + ' and output ' + data.outputIndex, function() {
         var spent = bitcoind.isSpent(data.txid, data.outputIndex, true);
diff --git a/integration/livenet-spents.json b/integration/livenet-spents.json
index d8b84e52..8c1eed28 100644
--- a/integration/livenet-spents.json
+++ b/integration/livenet-spents.json
@@ -3,6 +3,14 @@
     {
       "txid": "0e3e2357e806b6cdb1f70b54c3a3a17b6714ee1f0e68bebb44a74b1efd512098",
       "outputIndex": 0
+    },
+    {
+      "txid": "64b2da257d93ab44d19ef9b374788d82b6885bc3fb3c17704f42f09b1096e982",
+      "outputIndex": 0
+    },
+    {
+      "txid": "226bbc4b1f851857f37aa96e9eb702946fc128b055e4decc684740005f5044cf",
+      "outputIndex": 0
     }
   ],
   "spent": [
diff --git a/lib/bitcoind.js b/lib/bitcoind.js
index e9b6095a..bb022a84 100644
--- a/lib/bitcoind.js
+++ b/lib/bitcoind.js
@@ -323,8 +323,8 @@ Bitcoin.prototype.getBlockHeight = function(height, callback) {
   });
 };
 
-Bitcoin.prototype.isSpent = function(txid, outputIndex, queryMempool) {
-  return bitcoindjs.isSpent(txid, outputIndex, queryMempool);
+Bitcoin.prototype.isSpent = function(txid, outputIndex) {
+  return bitcoindjs.isSpent(txid, outputIndex);
 };
 
 Bitcoin.prototype.getTransaction =
diff --git a/src/bitcoindjs.cc b/src/bitcoindjs.cc
index b77bdb78..61dc487a 100644
--- a/src/bitcoindjs.cc
+++ b/src/bitcoindjs.cc
@@ -939,18 +939,15 @@ async_get_tx_after(uv_work_t *req) {
 NAN_METHOD(IsSpent) {
   NanScope();
 
-  if (args.Length() > 3) {
+  if (args.Length() > 2) {
     return NanThrowError(
-      "Usage: bitcoindjs.isSpent(txid, outputIndex, queryMempool)");
+      "Usage: bitcoindjs.isSpent(txid, outputIndex)");
   }
 
-  // XXX: include the mempool in the coins viewcache
-
   String::Utf8Value arg(args[0]->ToString());
   std::string argStr = std::string(*arg);
   const uint256 txid = uint256S(argStr);
   int outputIndex = args[1]->IntegerValue();
-  bool queryMempool = args[2]->BooleanValue();
 
   CCoinsView dummy;
   CCoinsViewCache view(&dummy);