diff --git a/app/scripts/keyring-controller.js b/app/scripts/keyring-controller.js
index cf761c88c..0d906eba1 100644
--- a/app/scripts/keyring-controller.js
+++ b/app/scripts/keyring-controller.js
@@ -76,8 +76,8 @@ module.exports = class KeyringController extends EventEmitter {
     this.ethStore = ethStore
   }
 
-  createNewVaultAndKeychain (password, entropy, cb) {
-    this.createNewVault(password, entropy, (err) => {
+  createNewVaultAndKeychain (password, cb) {
+    this.createNewVault(password, (err) => {
       if (err) return cb(err)
       this.createFirstKeyTree(password, cb)
     })
@@ -94,7 +94,7 @@ module.exports = class KeyringController extends EventEmitter {
 
     this.clearKeyrings()
 
-    this.createNewVault(password, '', (err) => {
+    this.createNewVault(password, (err) => {
       if (err) return cb(err)
       this.addNewKeyring('HD Key Tree', {
         mnemonic: seed,
@@ -135,7 +135,7 @@ module.exports = class KeyringController extends EventEmitter {
     })
   }
 
-  createNewVault (password, entropy, cb) {
+  createNewVault (password, cb) {
     const configManager = this.configManager
     const salt = this.encryptor.generateSalt()
     configManager.setSalt(salt)
diff --git a/app/scripts/lib/idStore.js b/app/scripts/lib/idStore.js
index b73652af5..e5861c0ca 100644
--- a/app/scripts/lib/idStore.js
+++ b/app/scripts/lib/idStore.js
@@ -44,7 +44,7 @@ function IdentityStore (opts = {}) {
 // public
 //
 
-IdentityStore.prototype.createNewVault = function (password, entropy, cb) {
+IdentityStore.prototype.createNewVault = function (password, cb) {
   delete this._keyStore
   var serializedKeystore = this.configManager.getWallet()
 
@@ -53,7 +53,7 @@ IdentityStore.prototype.createNewVault = function (password, entropy, cb) {
   }
 
   this.purgeCache()
-  this._createVault(password, null, entropy, (err) => {
+  this._createVault(password, null, (err) => {
     if (err) return cb(err)
 
     this._autoFaucet()
@@ -77,7 +77,7 @@ IdentityStore.prototype.recoverSeed = function (cb) {
 IdentityStore.prototype.recoverFromSeed = function (password, seed, cb) {
   this.purgeCache()
 
-  this._createVault(password, seed, null, (err) => {
+  this._createVault(password, seed, (err) => {
     if (err) return cb(err)
 
     this._loadIdentities()
@@ -497,7 +497,7 @@ IdentityStore.prototype.tryPassword = function (password, cb) {
   })
 }
 
-IdentityStore.prototype._createVault = function (password, seedPhrase, entropy, cb) {
+IdentityStore.prototype._createVault = function (password, seedPhrase, cb) {
   const opts = {
     password,
     hdPathString: this.hdPathString,
diff --git a/test/unit/idStore-migration-test.js b/test/unit/idStore-migration-test.js
index 59801c868..ac8e23d22 100644
--- a/test/unit/idStore-migration-test.js
+++ b/test/unit/idStore-migration-test.js
@@ -52,7 +52,7 @@ describe('IdentityStore to KeyringController migration', function() {
       },
     })
 
-    idStore._createVault(password, mockVault.seed, null, (err) => {
+    idStore._createVault(password, mockVault.seed, (err) => {
       assert.ifError(err, 'createNewVault threw error')
       originalKeystore = idStore._idmgmt.keyStore
 
diff --git a/test/unit/idStore-test.js b/test/unit/idStore-test.js
index 064483ba0..72ecf34d5 100644
--- a/test/unit/idStore-test.js
+++ b/test/unit/idStore-test.js
@@ -11,7 +11,6 @@ describe('IdentityStore', function() {
   describe('#createNewVault', function () {
     let idStore
     let password = 'password123'
-    let entropy = 'entripppppyy duuude'
     let seedWords
     let accounts = []
     let originalKeystore
@@ -26,7 +25,7 @@ describe('IdentityStore', function() {
         },
       })
 
-      idStore.createNewVault(password, entropy, (err, seeds) => {
+      idStore.createNewVault(password, (err, seeds) => {
         assert.ifError(err, 'createNewVault threw error')
         seedWords = seeds
         originalKeystore = idStore._idmgmt.keyStore
diff --git a/test/unit/keyring-controller-test.js b/test/unit/keyring-controller-test.js
index 2527defe3..437441e0e 100644
--- a/test/unit/keyring-controller-test.js
+++ b/test/unit/keyring-controller-test.js
@@ -12,7 +12,6 @@ describe('KeyringController', function() {
 
   let keyringController, state
   let password = 'password123'
-  let entropy = 'entripppppyy duuude'
   let seedWords = 'puzzle seed penalty soldier say clay field arctic metal hen cage runway'
   let addresses = ['eF35cA8EbB9669A35c31b5F6f249A9941a812AC1'.toLowerCase()]
   let accounts = []
@@ -33,7 +32,7 @@ describe('KeyringController', function() {
     // Browser crypto is tested in the integration test suite.
     keyringController.encryptor = mockEncryptor
 
-    keyringController.createNewVaultAndKeychain(password, null, function (err, newState) {
+    keyringController.createNewVaultAndKeychain(password, function (err, newState) {
       assert.ifError(err)
       state = newState
       done()
@@ -51,7 +50,7 @@ describe('KeyringController', function() {
     it('should set a vault on the configManager', function(done) {
       keyringController.configManager.setVault(null)
       assert(!keyringController.configManager.getVault(), 'no previous vault')
-      keyringController.createNewVaultAndKeychain(password, null, (err, state) => {
+      keyringController.createNewVaultAndKeychain(password, (err, state) => {
         assert.ifError(err)
         const vault = keyringController.configManager.getVault()
         assert(vault, 'vault created')
diff --git a/ui/app/actions.js b/ui/app/actions.js
index e69b743e9..51c3d6bec 100644
--- a/ui/app/actions.js
+++ b/ui/app/actions.js
@@ -201,9 +201,9 @@ function createNewVaultAndRestore (password, seed) {
   }
 }
 
-function createNewVaultAndKeychain (password, entropy) {
+function createNewVaultAndKeychain (password) {
   return (dispatch) => {
-    background.createNewVaultAndKeychain(password, entropy, (err) => {
+    background.createNewVaultAndKeychain(password, (err) => {
       if (err) {
         return dispatch(actions.showWarning(err.message))
       }
diff --git a/ui/app/first-time/init-menu.js b/ui/app/first-time/init-menu.js
index 14a89b988..6ceee6784 100644
--- a/ui/app/first-time/init-menu.js
+++ b/ui/app/first-time/init-menu.js
@@ -165,7 +165,7 @@ InitializeMenuScreen.prototype.createNewVaultAndKeychain = function () {
     return
   }
 
-  this.props.dispatch(actions.createNewVaultAndKeychain(password, ''/* entropy*/))
+  this.props.dispatch(actions.createNewVaultAndKeychain(password))
 }
 
 InitializeMenuScreen.prototype.inputChanged = function (event) {