diff --git a/app/controllers/admin/domains_controller.rb b/app/controllers/admin/domains_controller.rb
index 4cf12dab2..453fc179b 100644
--- a/app/controllers/admin/domains_controller.rb
+++ b/app/controllers/admin/domains_controller.rb
@@ -56,7 +56,7 @@ class Admin::DomainsController < AdminController
     if params[:domain]
       params.require(:domain).permit({ statuses: [] })
     else
-      {statuses: []}
+      { statuses: [] }
     end
   end
 
@@ -68,7 +68,7 @@ class Admin::DomainsController < AdminController
 
   def ignore_empty_statuses
     dp = domain_params
-    dp[:statuses].reject! { |x| x.blank? }
+    dp[:statuses].reject!(&:blank?)
     dp
   end
 end
diff --git a/app/controllers/registrant/sessions_controller.rb b/app/controllers/registrant/sessions_controller.rb
index 335960842..3d2ab7801 100644
--- a/app/controllers/registrant/sessions_controller.rb
+++ b/app/controllers/registrant/sessions_controller.rb
@@ -27,7 +27,7 @@ class Registrant::SessionsController < Devise::SessionsController
     @user = User.new
   end
 
-  def mid
+  def mid # rubocop: disable Metrics/MethodLength
     phone = params[:user][:phone]
     endpoint = "#{ENV['sk_digi_doc_service_endpoint']}"
     client = Digidoc::Client.new(endpoint)
diff --git a/app/models/domain.rb b/app/models/domain.rb
index 56de6ee3d..f409c0014 100644
--- a/app/models/domain.rb
+++ b/app/models/domain.rb
@@ -315,7 +315,7 @@ class Domain < ActiveRecord::Base
     self.registrant_verification_token = token
     self.registrant_verification_asked_at = asked_at
     self.statuses = [DomainStatus::PENDING_UPDATE]
-    self.pending_json[:domain] = changes_cache
+    pending_json[:domain] = changes_cache
   end
 
   def registrant_update_confirmable?(token)
@@ -347,8 +347,8 @@ class Domain < ActiveRecord::Base
   end
 
   def registrant_verification_asked!(frame_str, current_user_id)
-    self.pending_json['frame'] = frame_str
-    self.pending_json['current_user_id'] = current_user_id
+    pending_json['frame'] = frame_str
+    pending_json['current_user_id'] = current_user_id
     self.registrant_verification_asked_at = Time.zone.now
     self.registrant_verification_token = SecureRandom.hex(42)
   end