diff --git a/lib/messages/commands/addr.js b/lib/messages/commands/addr.js
index 7afa47c..ed86b99 100644
--- a/lib/messages/commands/addr.js
+++ b/lib/messages/commands/addr.js
@@ -17,7 +17,7 @@ var BufferWriter = bitcore.encoding.BufferWriter;
  * @constructor
  */
 function AddrMessage(arg, options) {
-  Message.call(this, arg, options);
+  Message.call(this, options);
   this.command = 'addr';
   this.magicNumber = options.magicNumber;
   $.checkArgument(
diff --git a/lib/messages/commands/alert.js b/lib/messages/commands/alert.js
index 021fa41..28c12e1 100644
--- a/lib/messages/commands/alert.js
+++ b/lib/messages/commands/alert.js
@@ -17,7 +17,7 @@ var BufferWriter = bitcore.encoding.BufferWriter;
  * @constructor
  */
 function AlertMessage(arg, options) {
-  Message.call(this, arg, options);
+  Message.call(this, options);
   this.magicNumber = options.magicNumber;
   this.command = 'alert';
   if (!arg) {
diff --git a/lib/messages/commands/block.js b/lib/messages/commands/block.js
index 76fe212..9bcf9db 100644
--- a/lib/messages/commands/block.js
+++ b/lib/messages/commands/block.js
@@ -15,7 +15,7 @@ var _ = bitcore.deps._;
  * @constructor
  */
 function BlockMessage(arg, options) {
-  Message.call(this, arg, options);
+  Message.call(this, options);
   this.Block = options.Block;
   this.command = 'block';
   this.magicNumber = options.magicNumber;
diff --git a/lib/messages/commands/filteradd.js b/lib/messages/commands/filteradd.js
index 4237924..7cd82e1 100644
--- a/lib/messages/commands/filteradd.js
+++ b/lib/messages/commands/filteradd.js
@@ -19,7 +19,7 @@ var _ = bitcore.deps._;
  * @constructor
  */
 function FilteraddMessage(arg, options) {
-  Message.call(this, arg, options);
+  Message.call(this, options);
   this.magicNumber = options.magicNumber;
   this.command = 'filteradd';
   $.checkArgument(
diff --git a/lib/messages/commands/filterclear.js b/lib/messages/commands/filterclear.js
index 95c0e02..017ba20 100644
--- a/lib/messages/commands/filterclear.js
+++ b/lib/messages/commands/filterclear.js
@@ -12,7 +12,7 @@ var BufferUtil = bitcore.util.buffer;
  * @constructor
  */
 function FilterclearMessage(arg, options) {
-  Message.call(this, arg, options);
+  Message.call(this, options);
   this.magicNumber = options.magicNumber;
   this.command = 'filterclear';
 }
diff --git a/lib/messages/commands/filterload.js b/lib/messages/commands/filterload.js
index 6ed0159..63465e9 100644
--- a/lib/messages/commands/filterload.js
+++ b/lib/messages/commands/filterload.js
@@ -17,7 +17,7 @@ var _ = bitcore.deps._;
  * @constructor
  */
 function FilterloadMessage(arg, options) {
-  Message.call(this, arg, options);
+  Message.call(this, options);
   this.magicNumber = options.magicNumber;
   this.command = 'filterload';
   $.checkArgument(
diff --git a/lib/messages/commands/getaddr.js b/lib/messages/commands/getaddr.js
index 55d93a5..2beca5d 100644
--- a/lib/messages/commands/getaddr.js
+++ b/lib/messages/commands/getaddr.js
@@ -13,7 +13,7 @@ var BufferUtil = bitcore.util.buffer;
  * @constructor
  */
 function GetaddrMessage(arg, options) {
-  Message.call(this, arg, options);
+  Message.call(this, options);
   this.magicNumber = options.magicNumber;
   this.command = 'getaddr';
 }
diff --git a/lib/messages/commands/getblocks.js b/lib/messages/commands/getblocks.js
index eb7599d..771c5b2 100644
--- a/lib/messages/commands/getblocks.js
+++ b/lib/messages/commands/getblocks.js
@@ -21,7 +21,7 @@ var $ = bitcore.util.preconditions;
  * @constructor
  */
 function GetblocksMessage(arg, options) {
-  Message.call(this, arg, options);
+  Message.call(this, options);
   this.command = 'getblocks';
   this.version = options.protocolVersion;
   this.magicNumber = options.magicNumber;
diff --git a/lib/messages/commands/getdata.js b/lib/messages/commands/getdata.js
index dd0680b..cd9b7ef 100644
--- a/lib/messages/commands/getdata.js
+++ b/lib/messages/commands/getdata.js
@@ -16,7 +16,7 @@ var _ = bitcore.deps._;
  * @constructor
  */
 function GetdataMessage(arg, options) {
-  Message.call(this, arg, options);
+  Message.call(this, options);
   this.command = 'getdata';
   this.magicNumber = options.magicNumber;
   utils.checkInventory(arg);
diff --git a/lib/messages/commands/getheaders.js b/lib/messages/commands/getheaders.js
index 0dc933c..19b96bd 100644
--- a/lib/messages/commands/getheaders.js
+++ b/lib/messages/commands/getheaders.js
@@ -20,7 +20,7 @@ var $ = bitcore.util.preconditions;
  * @constructor
  */
 function GetheadersMessage(arg, options) {
-  Message.call(this, arg, options);
+  Message.call(this, options);
   this.command = 'getheaders';
   this.version = options.protocolVersion;
   this.magicNumber = options.magicNumber;
diff --git a/lib/messages/commands/headers.js b/lib/messages/commands/headers.js
index 14d600e..4fd1688 100644
--- a/lib/messages/commands/headers.js
+++ b/lib/messages/commands/headers.js
@@ -21,7 +21,7 @@ var $ = bitcore.util.preconditions;
  * @constructor
  */
 function HeadersMessage(arg, options) {
-  Message.call(this, arg, options);
+  Message.call(this, options);
   this.BlockHeader = options.BlockHeader;
   this.magicNumber = options.magicNumber;
   this.command = 'headers';
diff --git a/lib/messages/commands/inv.js b/lib/messages/commands/inv.js
index 0823584..073354b 100644
--- a/lib/messages/commands/inv.js
+++ b/lib/messages/commands/inv.js
@@ -17,7 +17,7 @@ var _ = bitcore.deps._;
  * @constructor
  */
 function InvMessage(arg, options) {
-  Message.call(this, arg, options);
+  Message.call(this, options);
   this.command = 'inv';
   this.magicNumber = options.magicNumber;
   utils.checkInventory(arg);
diff --git a/lib/messages/commands/mempool.js b/lib/messages/commands/mempool.js
index e70e4e5..00fad39 100644
--- a/lib/messages/commands/mempool.js
+++ b/lib/messages/commands/mempool.js
@@ -15,7 +15,7 @@ var BufferUtil = bitcore.util.buffer;
  * @constructor
  */
 function MempoolMessage(arg, options) {
-  Message.call(this, arg, options);
+  Message.call(this, options);
   this.magicNumber = options.magicNumber;
   this.command = 'mempool';
 }
diff --git a/lib/messages/commands/merkleblock.js b/lib/messages/commands/merkleblock.js
index f5856c9..e26f405 100644
--- a/lib/messages/commands/merkleblock.js
+++ b/lib/messages/commands/merkleblock.js
@@ -18,7 +18,7 @@ var _ = bitcore.deps._;
  * @constructor
  */
 function MerkleblockMessage(arg, options) {
-  Message.call(this, arg, options);
+  Message.call(this, options);
   this.MerkleBlock = options.MerkleBlock; // constructor
   this.magicNumber = options.magicNumber;
   this.command = 'merkleblock';
diff --git a/lib/messages/commands/notfound.js b/lib/messages/commands/notfound.js
index fb2dd59..a8c9f03 100644
--- a/lib/messages/commands/notfound.js
+++ b/lib/messages/commands/notfound.js
@@ -17,7 +17,7 @@ var _ = bitcore.deps._;
  * @constructor
  */
 function NotfoundMessage(arg, options) {
-  Message.call(this, arg, options);
+  Message.call(this, options);
   this.command = 'notfound';
   this.magicNumber = options.magicNumber;
   utils.checkInventory(arg);
diff --git a/lib/messages/commands/ping.js b/lib/messages/commands/ping.js
index 8fa5703..92ba3f3 100644
--- a/lib/messages/commands/ping.js
+++ b/lib/messages/commands/ping.js
@@ -18,7 +18,7 @@ var BufferReader = bitcore.encoding.BufferReader;
  * @constructor
  */
 function PingMessage(arg, options) {
-  Message.call(this, arg, options);
+  Message.call(this, options);
   this.command = 'ping';
   this.magicNumber = options.magicNumber;
   $.checkArgument(
diff --git a/lib/messages/commands/pong.js b/lib/messages/commands/pong.js
index 5b248f5..111c4cc 100644
--- a/lib/messages/commands/pong.js
+++ b/lib/messages/commands/pong.js
@@ -18,7 +18,7 @@ var BufferReader = bitcore.encoding.BufferReader;
  * @constructor
  */
 function PongMessage(arg, options) {
-  Message.call(this, arg, options);
+  Message.call(this, options);
   this.command = 'pong';
   this.magicNumber = options.magicNumber;
   $.checkArgument(
diff --git a/lib/messages/commands/reject.js b/lib/messages/commands/reject.js
index 363e6bc..ab73e36 100644
--- a/lib/messages/commands/reject.js
+++ b/lib/messages/commands/reject.js
@@ -7,7 +7,7 @@ var BufferUtil = bitcore.util.buffer;
 
 // todo: add payload: https://en.bitcoin.it/wiki/Protocol_documentation#reject
 function RejectMessage(arg, options) {
-  Message.call(this, arg, options);
+  Message.call(this, options);
   this.magicNumber = options.magicNumber;
   this.command = 'reject';
 }
diff --git a/lib/messages/commands/tx.js b/lib/messages/commands/tx.js
index 6dbd04f..614c42b 100644
--- a/lib/messages/commands/tx.js
+++ b/lib/messages/commands/tx.js
@@ -14,7 +14,7 @@ var _ = bitcore.deps._;
  * @constructor
  */
 function TransactionMessage(arg, options) {
-  Message.call(this, arg, options);
+  Message.call(this, options);
   this.command = 'tx';
   this.magicNumber = options.magicNumber;
   this.Transaction = options.Transaction;
diff --git a/lib/messages/commands/verack.js b/lib/messages/commands/verack.js
index a33f91a..5c19751 100644
--- a/lib/messages/commands/verack.js
+++ b/lib/messages/commands/verack.js
@@ -12,7 +12,7 @@ var BufferUtil = bitcore.util.buffer;
  * @constructor
  */
 function VerackMessage(arg, options) {
-  Message.call(this, arg, options);
+  Message.call(this, options);
   this.magicNumber = options.magicNumber;
   this.command = 'verack';
 }
diff --git a/lib/messages/commands/version.js b/lib/messages/commands/version.js
index dc8ec9c..11dc5ad 100644
--- a/lib/messages/commands/version.js
+++ b/lib/messages/commands/version.js
@@ -32,7 +32,7 @@ function VersionMessage(arg, options) {
   if (!arg) {
     arg = {};
   }
-  Message.call(this, arg, options);
+  Message.call(this, options);
   this.command = 'version';
   this.magicNumber = options.magicNumber;
   this.version = arg.version || options.protocolVersion;
diff --git a/lib/messages/message.js b/lib/messages/message.js
index 341d4ed..4165914 100644
--- a/lib/messages/message.js
+++ b/lib/messages/message.js
@@ -12,7 +12,7 @@ var Hash = bitcore.crypto.Hash;
  * @param {Number=} options.magicNumber
  * @constructor
  */
-function Message(arg, options) {
+function Message(options) {
   this.command = options.command;
   this.magicNumber = options.magicNumber;
 }
diff --git a/test/messages/message.js b/test/messages/message.js
index 419071b..f93b0fd 100644
--- a/test/messages/message.js
+++ b/test/messages/message.js
@@ -8,7 +8,7 @@ describe('Message', function() {
 
   describe('@constructor', function() {
     it('construct with magic number and command', function() {
-      var message = new Message(null, {magicNumber: 0xd9b4bef9, command: 'command'});
+      var message = new Message({magicNumber: 0xd9b4bef9, command: 'command'});
       message.command.should.equal('command');
       message.magicNumber.should.equal(0xd9b4bef9);
     });
@@ -16,7 +16,7 @@ describe('Message', function() {
 
   describe('#toBuffer', function() {
     it('serialize to a buffer', function() {
-      var message = new Message(null, {magicNumber: 0xd9b4bef9, command: 'command'});
+      var message = new Message({magicNumber: 0xd9b4bef9, command: 'command'});
       message.getPayload = function() {
         return new Buffer(0);
       };