diff --git a/app/controllers/admin/bank_transactions_controller.rb b/app/controllers/admin/bank_transactions_controller.rb
index ee5ed809e..36ab089e5 100644
--- a/app/controllers/admin/bank_transactions_controller.rb
+++ b/app/controllers/admin/bank_transactions_controller.rb
@@ -1,7 +1,5 @@
 class Admin::BankTransactionsController < AdminController
   load_and_authorize_resource
 
-  def show
-
-  end
+  def show; end
 end
diff --git a/app/models/invoice.rb b/app/models/invoice.rb
index c72982e59..fc4a1a6af 100644
--- a/app/models/invoice.rb
+++ b/app/models/invoice.rb
@@ -4,7 +4,8 @@ class Invoice < ActiveRecord::Base
   has_many :invoice_items
   accepts_nested_attributes_for :invoice_items
 
-  validates :invoice_type, :due_date, :currency, :seller_name, :seller_iban, :buyer_name, :invoice_items, :vat_prc, presence: true
+  validates :invoice_type, :due_date, :currency, :seller_name,
+            :seller_iban, :buyer_name, :invoice_items, :vat_prc, presence: true
 
   def seller_address
     [seller_street, seller_city, seller_state, seller_zip].reject(&:blank?).compact.join(', ')
diff --git a/app/models/registrar.rb b/app/models/registrar.rb
index 5c3365f85..6bf55a865 100644
--- a/app/models/registrar.rb
+++ b/app/models/registrar.rb
@@ -49,7 +49,7 @@ class Registrar < ActiveRecord::Base
     end
   end
 
-  def issue_prepayment_invoice(amount, description = nil)
+  def issue_prepayment_invoice(amount, description = nil) # rubocop:disable Metrics/MethodLength
     # Currently only EIS can issue invoices
     eis = self.class.eis