diff --git a/app/models/user.js b/app/models/user.js
index ca11b811..d3bfcbc6 100755
--- a/app/models/user.js
+++ b/app/models/user.js
@@ -5,9 +5,7 @@
  */
 var mongoose = require('mongoose'),
     Schema = mongoose.Schema,
-    crypto = require('crypto'),
-    authTypes = ['github', 'twitter', 'facebook', 'google'];
-
+    crypto = require('crypto');
 
 /**
  * User Schema
@@ -49,26 +47,26 @@ var validatePresenceOf = function(value) {
 // the below 4 validations only apply if you are signing up traditionally
 UserSchema.path('name').validate(function(name) {
     // if you are authenticating by any of the oauth strategies, don't validate
-    if (authTypes.indexOf(this.provider) !== -1) return true;
-    return name.length;
+    if (!this.provider) return true;
+    return (typeof name === 'string' && name.length > 0);
 }, 'Name cannot be blank');
 
 UserSchema.path('email').validate(function(email) {
     // if you are authenticating by any of the oauth strategies, don't validate
-    if (authTypes.indexOf(this.provider) !== -1) return true;
-    return email.length;
+    if (!this.provider) return true;
+    return (typeof email === 'string' && email.length > 0);
 }, 'Email cannot be blank');
 
 UserSchema.path('username').validate(function(username) {
     // if you are authenticating by any of the oauth strategies, don't validate
-    if (authTypes.indexOf(this.provider) !== -1) return true;
-    return username.length;
+    if (!this.provider) return true;
+    return (typeof username === 'string' && username.length > 0);
 }, 'Username cannot be blank');
 
 UserSchema.path('hashed_password').validate(function(hashed_password) {
     // if you are authenticating by any of the oauth strategies, don't validate
-    if (authTypes.indexOf(this.provider) !== -1) return true;
-    return hashed_password.length;
+    if (!this.provider) return true;
+    return (typeof hashed_password === 'string' && hashed_password.length > 0);
 }, 'Password cannot be blank');
 
 
@@ -78,7 +76,7 @@ UserSchema.path('hashed_password').validate(function(hashed_password) {
 UserSchema.pre('save', function(next) {
     if (!this.isNew) return next();
 
-    if (!validatePresenceOf(this.password) && authTypes.indexOf(this.provider) === -1)
+    if (!validatePresenceOf(this.password) && !this.provider)
         next(new Error('Invalid password'));
     else
         next();