diff --git a/integration/regtest-node.js b/integration/regtest-node.js
index dff7a4df..932b1483 100644
--- a/integration/regtest-node.js
+++ b/integration/regtest-node.js
@@ -219,4 +219,23 @@ describe('Node Functionality', function() {
     node.services.bitcoind.isMainChain(invalidatedBlockHash).should.equal(false);
     setImmediate(done);
   });
+
+  describe('Bus Functionality', function() {
+    it('subscribes and unsubscribes to an event on the bus', function(done) {
+      var bus = node.openBus();
+      var block;
+      bus.subscribe('db/block');
+      bus.on('block', function(data) {
+        bus.unsubscribe('db/block');
+        data.should.be.equal(block);
+        done();
+      });
+      client.generate(1, function(err, response) {
+        if (err) {
+          throw err;
+        }
+        block = response.result[0];
+      });
+    });
+  });
 });
diff --git a/lib/node.js b/lib/node.js
index 908f0978..3061610c 100644
--- a/lib/node.js
+++ b/lib/node.js
@@ -41,8 +41,6 @@ function Node(config) {
 
 util.inherits(Node, EventEmitter);
 
-util.inherits(Node, EventEmitter);
-
 Node.prototype._setNetwork = function(config) {
   if (config.network === 'testnet') {
     this.network = Networks.get('testnet');