diff --git a/app/manifest.json b/app/manifest.json
index f37d4663d..915295914 100644
--- a/app/manifest.json
+++ b/app/manifest.json
@@ -1,7 +1,6 @@
 {
   "name": "__MSG_appName__",
-  "short_name": "Metamask",
-  "version": "1.3.0",
+  "version": "1.2.1",
   "manifest_version": 2,
   "description": "__MSG_appDescription__",
   "icons": {
diff --git a/app/scripts/background.js b/app/scripts/background.js
index 14293ab05..772c1de89 100644
--- a/app/scripts/background.js
+++ b/app/scripts/background.js
@@ -6,7 +6,7 @@ const combineStreams = require('pumpify')
 const extend = require('xtend')
 const EthStore = require('eth-store')
 const PortStream = require('./lib/port-stream.js')
-const MetaMaskProvider = require('./lib/zero.js')
+const MetaMaskProvider = require('web3-provider-engine/zero.js')
 const IdentityStore = require('./lib/idStore')
 const createTxNotification = require('./lib/tx-notification.js')
 const configManager = require('./lib/config-manager-singleton')
@@ -36,9 +36,8 @@ function handleEthRpcRequestStream(stream){
 // state and network
 //
 
-var providerConfig = configManager.getProvider()
 var idStore = new IdentityStore()
-var providerOpts = {
+var zeroClient = MetaMaskProvider({
   rpcUrl: configManager.getCurrentRpcAddress(),
   getAccounts: function(cb){
     var selectedAddress = idStore.getSelectedAddress()
@@ -47,16 +46,14 @@ var providerOpts = {
   },
   approveTransaction: addUnconfirmedTx,
   signTransaction: idStore.signTransaction.bind(idStore),
-  etherscan: providerConfig.type === 'etherscan',
-}
-var provider = MetaMaskProvider(providerOpts)
+})
 
 // log new blocks
-provider.on('block', function(block){
+zeroClient.on('block', function(block){
   console.log('BLOCK CHANGED:', '#'+block.number.toString('hex'), '0x'+block.hash.toString('hex'))
 })
 
-var ethStore = new EthStore(provider)
+var ethStore = new EthStore(zeroClient)
 idStore.setStore(ethStore)
 
 function getState(){
@@ -71,7 +68,7 @@ function getState(){
 // handle rpc requests
 function onRpcRequest(remoteStream, payload){
   // console.log('MetaMaskPlugin - incoming payload:', payload)
-  provider.sendAsync(payload, function onPayloadHandled(err, response){
+  zeroClient.sendAsync(payload, function onPayloadHandled(err, response){
     // provider engine errors are included in response objects
     if (!payload.isMetamaskInternal) console.log('MetaMaskPlugin - RPC complete:', payload, '->', response)
     try {
@@ -114,7 +111,6 @@ function linkDnode(stream){
   var connection = Dnode({
     getState:           function(cb){ cb(null, getState()) },
     setRpcTarget:       setRpcTarget,
-    useEtherscanProvider: useEtherscanProvider,
     // forward directly to idStore
     createNewVault:     idStore.createNewVault.bind(idStore),
     recoverFromSeed:    idStore.recoverFromSeed.bind(idStore),
@@ -183,11 +179,6 @@ function setRpcTarget(rpcTarget){
   chrome.runtime.reload()
 }
 
-function useEtherscanProvider() {
-  configManager.useEtherscanProvider()
-  chrome.runtime.reload()
-}
-
 // util
 
 function jsonParseStream(){
diff --git a/app/scripts/lib/config-manager.js b/app/scripts/lib/config-manager.js
index 121ede838..682b34637 100644
--- a/app/scripts/lib/config-manager.js
+++ b/app/scripts/lib/config-manager.js
@@ -47,6 +47,15 @@ ConfigManager.prototype.setConfig = function(config) {
   this.setData(data)
 }
 
+ConfigManager.prototype.setRpcTarget = function(rpcUrl) {
+  var config = this.getConfig()
+  config.provider = {
+    type: 'rpc',
+    rpcTarget: rpcUrl,
+  }
+  this.setConfig(config)
+}
+
 ConfigManager.prototype.getConfig = function() {
   var data = this.migrator.getData()
   if ('config' in data) {
@@ -61,28 +70,6 @@ ConfigManager.prototype.getConfig = function() {
   }
 }
 
-ConfigManager.prototype.setRpcTarget = function(rpcUrl) {
-  var config = this.getConfig()
-  config.provider = {
-    type: 'rpc',
-    rpcTarget: rpcUrl,
-  }
-  this.setConfig(config)
-}
-
-ConfigManager.prototype.useEtherscanProvider = function() {
-  var config = this.getConfig()
-  config.provider = {
-    type: 'etherscan',
-  }
-  this.setConfig(config)
-}
-
-ConfigManager.prototype.getProvider = function() {
-  var config = this.getConfig()
-  return config.provider
-}
-
 ConfigManager.prototype.setData = function(data) {
   this.migrator.saveData(data)
 }
diff --git a/app/scripts/lib/zero.js b/app/scripts/lib/zero.js
deleted file mode 100644
index d33f099d3..000000000
--- a/app/scripts/lib/zero.js
+++ /dev/null
@@ -1,65 +0,0 @@
-const ProviderEngine = require('web3-provider-engine/index.js')
-const DefaultFixture = require('web3-provider-engine/subproviders/default-fixture.js')
-const NonceTrackerSubprovider = require('web3-provider-engine/subproviders/nonce-tracker.js')
-const CacheSubprovider = require('web3-provider-engine/subproviders/cache.js')
-const FilterSubprovider = require('web3-provider-engine/subproviders/filters.js')
-const HookedWalletSubprovider = require('web3-provider-engine/subproviders/hooked-wallet.js')
-const RpcSubprovider = require('web3-provider-engine/subproviders/rpc.js')
-const EtherscanSubprovider = require('web3-provider-engine/subproviders/etherscan.js')
-
-
-module.exports = ZeroClientProvider
-
-
-function ZeroClientProvider(opts){
-  opts = opts || {}
-
-  var engine = new ProviderEngine()
-
-  // static
-  var staticSubprovider = new DefaultFixture()
-  engine.addProvider(staticSubprovider)
-
-  // nonce tracker
-  engine.addProvider(new NonceTrackerSubprovider())
-
-  // cache layer
-  var cacheSubprovider = new CacheSubprovider()
-  engine.addProvider(cacheSubprovider)
-
-  // filters
-  var filterSubprovider = new FilterSubprovider()
-  engine.addProvider(filterSubprovider)
-
-  // id mgmt
-  var idmgmtSubprovider = new HookedWalletSubprovider({
-    getAccounts: opts.getAccounts,
-    approveTransaction: opts.approveTransaction,
-    signTransaction: opts.signTransaction,
-  })
-  engine.addProvider(idmgmtSubprovider)
-
-  // data source
-  var dataProvider
-  if (!opts.etherscan) {
-    dataProvider = new RpcSubprovider({
-      rpcUrl: opts.rpcUrl || 'https://testrpc.metamask.io/',
-    })
-  } else {
-    dataProvider = new EtherscanSubprovider()
-  }
-  engine.addProvider(dataProvider)
-
-  // // log new blocks
-  // engine.on('block', function(block){
-  //   console.log('================================')
-  //   console.log('BLOCK CHANGED:', '#'+block.number.toString('hex'), '0x'+block.hash.toString('hex'))
-  //   console.log('================================')
-  // })
-
-  // start polling
-  engine.start()
-
-  return engine
-
-}
diff --git a/package.json b/package.json
index 83d563633..be61f1d14 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "readable-stream": "^2.0.5",
     "through2": "^2.0.1",
     "web3": "^0.15.1",
-    "web3-provider-engine": "^7.2.1",
+    "web3-provider-engine": "^7.0.0",
     "xtend": "^4.0.1"
   },
   "devDependencies": {