diff --git a/lib/common-node.js b/lib/common-node.js
index b017bc0..7573367 100644
--- a/lib/common-node.js
+++ b/lib/common-node.js
@@ -24,11 +24,6 @@ exports.EVENT_NAMES = {
   started: 'start',
   stopped: 'stop'
 }
-exports.PEER_TYPES = {
-  http: 'http',
-  udp: 'udp',
-  websocket: 'ws'
-}
 
 function toUInt32 (n) {
   var buf = new Buffer(4)
diff --git a/lib/server/parse-http.js b/lib/server/parse-http.js
index 4681e43..9e83a59 100644
--- a/lib/server/parse-http.js
+++ b/lib/server/parse-http.js
@@ -6,10 +6,10 @@ function parseHttpRequest (req, opts) {
   if (!opts) opts = {}
   var s = req.url.split('?')
   var params = common.querystringParse(s[1])
+  params.type = 'http'
 
   if (opts.action === 'announce' || s[0] === '/announce') {
     params.action = common.ACTIONS.ANNOUNCE
-    params.type = common.PEER_TYPES.http
 
     if (typeof params.info_hash !== 'string' || params.info_hash.length !== 20) {
       throw new Error('invalid info_hash')
diff --git a/lib/server/parse-udp.js b/lib/server/parse-udp.js
index 6524ce2..78694d1 100644
--- a/lib/server/parse-udp.js
+++ b/lib/server/parse-udp.js
@@ -11,7 +11,7 @@ function parseUdpRequest (msg, rinfo) {
     connectionId: msg.slice(0, 8), // 64-bit
     action: msg.readUInt32BE(8),
     transactionId: msg.readUInt32BE(12),
-    type: common.PEER_TYPES.udp
+    type: 'udp'
   }
 
   if (!bufferEqual(params.connectionId, common.CONNECTION_ID)) {
diff --git a/lib/server/parse-websocket.js b/lib/server/parse-websocket.js
index a28f5aa..9847efb 100644
--- a/lib/server/parse-websocket.js
+++ b/lib/server/parse-websocket.js
@@ -7,7 +7,7 @@ function parseWebSocketRequest (socket, opts, params) {
   params = JSON.parse(params) // may throw
 
   params.action = common.ACTIONS.ANNOUNCE
-  params.type = common.PEER_TYPES.websocket
+  params.type = 'ws'
   params.socket = socket
 
   if (typeof params.info_hash !== 'string' || params.info_hash.length !== 20) {
diff --git a/lib/server/swarm.js b/lib/server/swarm.js
index e6d51db..4f2a927 100644
--- a/lib/server/swarm.js
+++ b/lib/server/swarm.js
@@ -2,7 +2,6 @@ module.exports = Swarm
 
 var debug = require('debug')('bittorrent-tracker')
 var randomIterate = require('random-iterate')
-var common = require('../common')
 
 // Regard this as the default implementation of an interface that you
 // need to support when overriding Server.createSwarm() and Server.getSwarm()
@@ -14,7 +13,7 @@ function Swarm (infoHash, server) {
 
 Swarm.prototype.announce = function (params, cb) {
   var self = this
-  var id = params.type === common.PEER_TYPES.websocket ? params.peer_id : params.addr
+  var id = params.type === 'ws' ? params.peer_id : params.addr
   var peer = self.peers[id]
 
   if (params.event === 'started') {
@@ -51,7 +50,7 @@ Swarm.prototype._onAnnounceStarted = function (params, peer) {
 
   if (params.left === 0) this.complete += 1
   else this.incomplete += 1
-  var id = params.type === common.PEER_TYPES.websocket ? params.peer_id : params.addr
+  var id = params.type === 'ws' ? params.peer_id : params.addr
   peer = this.peers[id] = {
     complete: params.left === 0,
     peerId: params.peer_id, // as hex
@@ -69,7 +68,7 @@ Swarm.prototype._onAnnounceStopped = function (params, peer) {
 
   if (peer.complete) this.complete -= 1
   else this.incomplete -= 1
-  var id = params.type === common.PEER_TYPES.websocket ? params.peer_id : params.addr
+  var id = params.type === 'ws' ? params.peer_id : params.addr
   delete this.peers[id]
 }