diff --git a/dist/lesspass.js b/dist/lesspass.js
index 26c5e91..6913458 100644
--- a/dist/lesspass.js
+++ b/dist/lesspass.js
@@ -29,7 +29,16 @@ module.exports = {
 };
 
 var defaultPasswordProfile = {
-    version: 1
+    version: 2,
+    lowercase: true,
+    digits: true,
+    uppercase: true,
+    symbols: true,
+    keylen: 32,
+    digest: 'sha256',
+    length: 16,
+    index: 1,
+    iterations: 100000
 };
 
 function generatePassword(site, login, masterPassword, passwordProfile) {
@@ -51,7 +60,7 @@ function generatePassword(site, login, masterPassword, passwordProfile) {
             });
     }
     if (_passwordProfile.version === 2) {
-        return v2.generatePassword(site, login, masterPassword, passwordProfile);
+        return v2.generatePassword(site, login, masterPassword, _passwordProfile);
     }
 }
 },{"./src/pbkdf2":48,"./src/v1":49,"./src/v2":50,"object-assign":18}],2:[function(require,module,exports){
@@ -8468,7 +8477,6 @@ function createFingerprint(str) {
 },{"./pbkdf2":48,"buffer":6,"create-hmac":12,"pinkie-promise":21}],50:[function(require,module,exports){
 var pbkdf2 = require('./pbkdf2');
 var bigInt = require("big-integer");
-var objectAssign = require('object-assign');
 
 module.exports = {
     generatePassword: generatePassword,
@@ -8482,24 +8490,11 @@ module.exports = {
 };
 
 function generatePassword(site, login, masterPassword, passwordProfile) {
-    var _passwordProfile = objectAssign({}, defaultPasswordProfile, passwordProfile);
-    return calcEntropy(site, login, masterPassword, _passwordProfile).then(function (entropy) {
-        return renderPassword(entropy, _passwordProfile);
+    return calcEntropy(site, login, masterPassword, passwordProfile).then(function (entropy) {
+        return renderPassword(entropy, passwordProfile);
     });
 }
 
-var defaultPasswordProfile = {
-    lowercase: true,
-    uppercase: true,
-    digits: true,
-    symbols: true,
-    length: 16,
-    index: 1,
-    iterations: 100000,
-    keylen: 32,
-    digest: 'sha256'
-};
-
 function calcEntropy(site, login, masterPassword, passwordProfile) {
     var salt = site + login + passwordProfile.index.toString(16);
     return pbkdf2(masterPassword, salt, passwordProfile.iterations, passwordProfile.keylen, passwordProfile.digest);
@@ -8558,13 +8553,12 @@ function getConfiguredRules(passwordProfile) {
 }
 
 function renderPassword(entropy, passwordProfile) {
-    var _passwordProfile = objectAssign({}, defaultPasswordProfile, passwordProfile);
-    var rules = getConfiguredRules(_passwordProfile);
+    var rules = getConfiguredRules(passwordProfile);
     var setOfCharacters = getSetOfCharacters(rules);
-    var password = consumeEntropy('', bigInt(entropy, 16), setOfCharacters, _passwordProfile.length - rules.length);
+    var password = consumeEntropy('', bigInt(entropy, 16), setOfCharacters, passwordProfile.length - rules.length);
     var charactersToAdd = getOneCharPerRule(password.entropy, rules);
     return insertStringPseudoRandomly(password.value, charactersToAdd.entropy, charactersToAdd.value);
 }
 
-},{"./pbkdf2":48,"big-integer":3,"object-assign":18}]},{},[1])(1)
+},{"./pbkdf2":48,"big-integer":3}]},{},[1])(1)
 });
\ No newline at end of file
diff --git a/index.js b/index.js
index a85cd91..d8064f1 100644
--- a/index.js
+++ b/index.js
@@ -28,7 +28,16 @@ module.exports = {
 };
 
 var defaultPasswordProfile = {
-    version: 1
+    version: 2,
+    lowercase: true,
+    digits: true,
+    uppercase: true,
+    symbols: true,
+    keylen: 32,
+    digest: 'sha256',
+    length: 16,
+    index: 1,
+    iterations: 100000
 };
 
 function generatePassword(site, login, masterPassword, passwordProfile) {
@@ -50,6 +59,6 @@ function generatePassword(site, login, masterPassword, passwordProfile) {
             });
     }
     if (_passwordProfile.version === 2) {
-        return v2.generatePassword(site, login, masterPassword, passwordProfile);
+        return v2.generatePassword(site, login, masterPassword, _passwordProfile);
     }
 }
\ No newline at end of file
diff --git a/package.json b/package.json
index 5721f52..2b3017b 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,6 @@
     "unibabel": "^2.1.3"
   },
   "devDependencies": {
-    "bluebird": "^3.4.6",
     "browserify": "^13.1.1",
     "chai": "^3.5.0",
     "karma": "^1.3.0",
diff --git a/src/v2.js b/src/v2.js
index f0e4102..7881568 100644
--- a/src/v2.js
+++ b/src/v2.js
@@ -1,6 +1,5 @@
 var pbkdf2 = require('./pbkdf2');
 var bigInt = require("big-integer");
-var objectAssign = require('object-assign');
 
 module.exports = {
     generatePassword: generatePassword,
@@ -14,24 +13,11 @@ module.exports = {
 };
 
 function generatePassword(site, login, masterPassword, passwordProfile) {
-    var _passwordProfile = objectAssign({}, defaultPasswordProfile, passwordProfile);
-    return calcEntropy(site, login, masterPassword, _passwordProfile).then(function (entropy) {
-        return renderPassword(entropy, _passwordProfile);
+    return calcEntropy(site, login, masterPassword, passwordProfile).then(function (entropy) {
+        return renderPassword(entropy, passwordProfile);
     });
 }
 
-var defaultPasswordProfile = {
-    lowercase: true,
-    uppercase: true,
-    digits: true,
-    symbols: true,
-    length: 16,
-    index: 1,
-    iterations: 100000,
-    keylen: 32,
-    digest: 'sha256'
-};
-
 function calcEntropy(site, login, masterPassword, passwordProfile) {
     var salt = site + login + passwordProfile.index.toString(16);
     return pbkdf2(masterPassword, salt, passwordProfile.iterations, passwordProfile.keylen, passwordProfile.digest);
@@ -90,10 +76,9 @@ function getConfiguredRules(passwordProfile) {
 }
 
 function renderPassword(entropy, passwordProfile) {
-    var _passwordProfile = objectAssign({}, defaultPasswordProfile, passwordProfile);
-    var rules = getConfiguredRules(_passwordProfile);
+    var rules = getConfiguredRules(passwordProfile);
     var setOfCharacters = getSetOfCharacters(rules);
-    var password = consumeEntropy('', bigInt(entropy, 16), setOfCharacters, _passwordProfile.length - rules.length);
+    var password = consumeEntropy('', bigInt(entropy, 16), setOfCharacters, passwordProfile.length - rules.length);
     var charactersToAdd = getOneCharPerRule(password.entropy, rules);
     return insertStringPseudoRandomly(password.value, charactersToAdd.entropy, charactersToAdd.value);
 }
diff --git a/tests/karma.config.js b/tests/karma.config.js
index e47a5a5..6ba61c5 100644
--- a/tests/karma.config.js
+++ b/tests/karma.config.js
@@ -3,7 +3,6 @@ module.exports = function (config) {
         basePath: '..',
         frameworks: ['mocha', 'chai'],
         files: [
-            'node_modules/bluebird/js/browser/bluebird.core.min.js',
             'node_modules/big-integer/BigInteger.min.js',
             'dist/lesspass.js',
             'tests/**/*.js'
diff --git a/tests/v2/debug.py b/tests/v2/debug.py
deleted file mode 100644
index e494f8b..0000000
--- a/tests/v2/debug.py
+++ /dev/null
@@ -1,16 +0,0 @@
-import math
-
-
-def renderPassword(mdp, quotient, alphabet):
-    if len(mdp) > 14:
-        return mdp
-    quotient, remainder = divmod(quotient, len(alphabet))
-    mdp += alphabet[remainder]
-    return renderPassword(mdp, quotient, alphabet)
-
-
-alphabet = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
-print(renderPassword('', int('dc33d431bce2b01182c613382483ccdb0e2f66482cbba5e9d07dab34acc7eb1e', 16), alphabet))
-
-max_length = math.floor(math.log(int('dc33d431bce2b01182c613382483ccdb0e2f66482cbba5e9d07dab34acc7eb1e', 16))/math.log(26 + 26 + 10 + 32)) - 4
-print('max number of char for password with 32 bytes entropy: %d' % max_length)