diff --git a/app/builders/account_builder.rb b/app/builders/account_builder.rb
index f179c6405..32fb5c44b 100644
--- a/app/builders/account_builder.rb
+++ b/app/builders/account_builder.rb
@@ -2,7 +2,7 @@
 
 class AccountBuilder
   include CustomExceptions::Account
-  pattr_initialize [:account_name, :email!, :confirmed, :user, :user_full_name, :user_password, :super_admin, :locale]
+  pattr_initialize [:email!, :confirmed, :user, :user_password, :super_admin, :locale]
 
   def perform
     if @user.nil?
@@ -49,7 +49,7 @@ class AccountBuilder
   end
 
   def create_account
-    @account = Account.create!(name: account_name, locale: I18n.locale)
+    @account = Account.create!(name: '', locale: I18n.locale)
     Current.account = @account
   end
 
@@ -74,7 +74,7 @@ class AccountBuilder
     @user = User.new(email: @email,
                      password: user_password,
                      password_confirmation: user_password,
-                     name: user_full_name)
+                     name: '')
     @user.type = 'SuperAdmin' if @super_admin
     @user.confirm if @confirmed
     @user.save!
diff --git a/app/controllers/api/v1/accounts_controller.rb b/app/controllers/api/v1/accounts_controller.rb
index 481594ee4..0d4ad36b7 100644
--- a/app/controllers/api/v1/accounts_controller.rb
+++ b/app/controllers/api/v1/accounts_controller.rb
@@ -23,8 +23,6 @@ class Api::V1::AccountsController < Api::BaseController
 
   def create
     @user, @account = AccountBuilder.new(
-      account_name: account_params[:account_name],
-      user_full_name: account_params[:user_full_name],
       email: account_params[:email],
       user_password: account_params[:password],
       locale: account_params[:locale],
diff --git a/app/models/user.rb b/app/models/user.rb
index ba638f637..a8467aafc 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -68,8 +68,6 @@ class User < ApplicationRecord
   # work because :validatable in devise overrides this.
   # validates_uniqueness_of :email, scope: :account_id
 
-  validates :email, presence: true
-
   has_many :account_users, dependent: :destroy_async
   has_many :accounts, through: :account_users
   accepts_nested_attributes_for :account_users