diff --git a/.DS_Store b/.DS_Store
deleted file mode 100644
index 05ef5629c..000000000
Binary files a/.DS_Store and /dev/null differ
diff --git a/app/.DS_Store b/app/.DS_Store
deleted file mode 100644
index 830c593b8..000000000
Binary files a/app/.DS_Store and /dev/null differ
diff --git a/app/controllers/.DS_Store b/app/controllers/.DS_Store
deleted file mode 100644
index a3eee7bc4..000000000
Binary files a/app/controllers/.DS_Store and /dev/null differ
diff --git a/app/controllers/repp/.DS_Store b/app/controllers/repp/.DS_Store
deleted file mode 100644
index fcb003e65..000000000
Binary files a/app/controllers/repp/.DS_Store and /dev/null differ
diff --git a/app/controllers/repp/v1/.DS_Store b/app/controllers/repp/v1/.DS_Store
deleted file mode 100644
index b22dad763..000000000
Binary files a/app/controllers/repp/v1/.DS_Store and /dev/null differ
diff --git a/app/controllers/repp/v1/registrar/auth_controller.rb b/app/controllers/repp/v1/registrar/auth_controller.rb
deleted file mode 100644
index 74737e5ca..000000000
--- a/app/controllers/repp/v1/registrar/auth_controller.rb
+++ /dev/null
@@ -1,26 +0,0 @@
-module Repp
-  module V1
-    module Registrar
-      class AuthController < BaseController
-        api :GET, 'repp/v1/registrar/auth'
-        desc 'check user auth info, track user last login datetime and return data'
-
-        def index
-          registrar = current_user.registrar
-
-          data = set_values_to_data(registrar: registrar)
-
-          render_success(data: data)
-        end
-
-        private
-
-        def set_values_to_data(registrar:)
-          data = current_user.as_json(only: %i[id username roles])
-          data[:registrar_name] = registrar.name
-          data
-        end
-      end
-    end
-  end
-end
\ No newline at end of file
diff --git a/app/controllers/repp/v1/registrar/summary_controller.rb b/app/controllers/repp/v1/registrar/summary_controller.rb
deleted file mode 100644
index dfb54931c..000000000
--- a/app/controllers/repp/v1/registrar/summary_controller.rb
+++ /dev/null
@@ -1,44 +0,0 @@
-module Repp
-  module V1
-    module Registrar
-      class SummaryController < BaseController
-        api :GET, 'repp/v1/registrar/summary'
-        desc 'check user summary info and return data'
-
-        def index
-          registrar = current_user.registrar
-
-          data = evaluate_data(registrar: registrar)
-
-          render_success(data: data)
-        end
-
-        private
-
-        def evaluate_data(registrar:)
-          data = current_user.as_json(only: %i[id username])
-          data[:registrar_name] = registrar.name
-          data[:last_login_date] = last_login_date
-          data[:balance] = { amount: registrar.cash_account&.balance,
-                             currency: registrar.cash_account&.currency }
-          data[:domains] = registrar.domains.count
-          data[:contacts] = registrar.contacts.count
-          data[:phone] = registrar.phone
-          data[:email] = registrar.email
-          data[:billing_email] = registrar.billing_email
-          data[:billing_address] = registrar.address
-          data
-        end
-
-        def last_login_date
-          q = ApiLog::ReppLog.ransack({ request_path_eq: '/repp/v1/registrar/auth',
-                                        response_code_eq: '200',
-                                        api_user_name_cont: current_user.username,
-                                        request_method_eq: 'GET' })
-          q.sorts = 'id desc'
-          q.result.offset(1).first&.created_at
-        end
-      end
-    end
-  end
-end
\ No newline at end of file
diff --git a/app/models/action.rb b/app/models/action.rb
index 12435f3f0..444e31bbf 100644
--- a/app/models/action.rb
+++ b/app/models/action.rb
@@ -3,7 +3,10 @@ class Action < ApplicationRecord
 
   belongs_to :user
   belongs_to :contact, optional: true
-  has_many :subactions, class_name: 'Action', foreign_key: 'bulk_action_id', dependent: :destroy
+  has_many :subactions, class_name: 'Action',
+                        foreign_key: 'bulk_action_id',
+                        inverse_of: :action,
+                        dependent: :destroy
   belongs_to :bulk_action, class_name: 'Action', optional: true
 
   validates :operation, inclusion: { in: proc { |action| action.class.valid_operations } }
@@ -36,3 +39,4 @@ class Action < ApplicationRecord
     end
   end
 end
+
diff --git a/app/models/bulk_action.rb b/app/models/bulk_action.rb
index 1a8cad771..9c98ee2db 100644
--- a/app/models/bulk_action.rb
+++ b/app/models/bulk_action.rb
@@ -1,2 +1 @@
-class BulkAction < Action
-end
\ No newline at end of file
+class BulkAction < Action; end
diff --git a/app/models/registrant_user.rb b/app/models/registrant_user.rb
index a1f6993af..a095b9b22 100644
--- a/app/models/registrant_user.rb
+++ b/app/models/registrant_user.rb
@@ -110,11 +110,12 @@ class RegistrantUser < User
   def last_name
     username.split.second
   end
-
+  # rubocop:disable Metrics/MethodLength
   def update_related_contacts
     grouped_contacts = Contact.where(ident: ident, ident_country_code: country.alpha2)
-                      .where('UPPER(name) != UPPER(?)', username)
-                      .includes(:registrar).group_by { |c| c.registrar }
+                              .where('UPPER(name) != UPPER(?)', username)
+                              .includes(:registrar)
+                              .group_by(&:registrar)
     grouped_contacts.each do |registrar, contacts|
       bulk_action, action = actions.create!(operation: :bulk_update) if contacts.size > 1
       contacts.each do |c|
@@ -125,7 +126,7 @@ class RegistrantUser < User
       registrar.notify(bulk_action || action)
     end
   end
-
+  # rubocop:enable Metrics/MethodLength  
   class << self
     def find_or_create_by_api_data(user_data = {})
       return false unless user_data[:ident]
diff --git a/app/views/epp/poll/_action.xml.builder b/app/views/epp/poll/_action.xml.builder
index 838ae9aaf..37f2acccb 100644
--- a/app/views/epp/poll/_action.xml.builder
+++ b/app/views/epp/poll/_action.xml.builder
@@ -5,8 +5,6 @@ builder.extension do
     builder.tag!('changePoll:date', action.created_at.utc.xmlschema)
     builder.tag!('changePoll:svTRID', action.id)
     builder.tag!('changePoll:who', action.user)
-    if action.bulk_action?
-      builder.tag!('changePoll:reason', 'Auto-update according to official data')
-    end
+    builder.tag!('changePoll:reason', 'Auto-update according to official data') if action.bulk_action?
   end
 end
diff --git a/üpõ.preinstalled_gems b/üpõ.preinstalled_gems
deleted file mode 100644
index 0b8633422..000000000
--- a/üpõ.preinstalled_gems
+++ /dev/null
@@ -1,25 +0,0 @@
-FROM ghcr.io/internetee/registry:gems-latest
-LABEL org.opencontainers.image.source=https://github.com/internetee/registry
-ARG YARN_VER='1.22.10'
-ARG RAILS_ENV
-ARG SECRET_KEY_BASE
-
-ENV RAILS_ENV "$RAILS_ENV"
-ENV SECRET_KEY_BASE "$SECRET_KEY_BASE"
-
-RUN npm install -g yarn@"$YARN_VER"
-
-RUN bash -c 'mkdir -pv -m776 {/opt/webapps/app/tmp/pids,/opt/ca,/opt/ca/newcerts}'
-RUN echo -n 12 > /opt/ca/serial
-RUN chmod 776 /opt/ca/serial
-RUN echo '3A0e' > /opt/ca/crlnumber
-RUN chmod 776 /opt/ca/crlnumber
-RUN touch /opt/ca/index.txt
-RUN chmod 776 /opt/ca/index.txt
-WORKDIR /opt/webapps/app
-
-COPY . .
-
-RUN bundle exec rails assets:precompile
-
-EXPOSE 3000