diff --git a/app/controllers/admin/settings_controller.rb b/app/controllers/admin/settings_controller.rb
index d5d8810ce..fc9599131 100644
--- a/app/controllers/admin/settings_controller.rb
+++ b/app/controllers/admin/settings_controller.rb
@@ -1,12 +1,4 @@
 class Admin::SettingsController < Admin::BaseController
-  include Admin::ManagesProposalSettings
-
-  helper_method :successful_proposal_setting, :successful_proposals,
-                :poll_feature_short_title_setting, :poll_feature_description_setting,
-                :poll_feature_link_setting, :email_feature_short_title_setting,
-                :email_feature_description_setting,
-                :poster_feature_short_title_setting, :poster_feature_description_setting
-
   def index
     all_settings = Setting.all.group_by(&:type)
     @configuration_settings = all_settings["configuration"]
diff --git a/app/controllers/admin/widget/base_controller.rb b/app/controllers/admin/widget/base_controller.rb
deleted file mode 100644
index bc72bf389..000000000
--- a/app/controllers/admin/widget/base_controller.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-class Admin::Widget::BaseController < Admin::BaseController
-  helper_method :namespace
-
-  private
-
-    def namespace
-      "admin"
-    end
-end
diff --git a/app/controllers/concerns/admin/manages_proposal_settings.rb b/app/controllers/concerns/admin/manages_proposal_settings.rb
deleted file mode 100644
index 9ef969fdd..000000000
--- a/app/controllers/concerns/admin/manages_proposal_settings.rb
+++ /dev/null
@@ -1,41 +0,0 @@
-module Admin::ManagesProposalSettings
-  extend ActiveSupport::Concern
-
-  included do
-    def successful_proposal_setting
-      @successful_proposal_setting ||= Setting.find_by(key: "proposals.successful_proposal_id")
-    end
-
-    def successful_proposals
-      Proposal.successful
-    end
-
-    def poll_feature_short_title_setting
-      @poll_feature_short_title_setting ||= Setting.find_by(key: "proposals.poll_short_title")
-    end
-
-    def poll_feature_description_setting
-      @poll_feature_description_setting ||= Setting.find_by(key: "proposals.poll_description")
-    end
-
-    def poll_feature_link_setting
-      @poll_feature_link_setting ||= Setting.find_by(key: "proposals.poll_link")
-    end
-
-    def email_feature_short_title_setting
-      @email_feature_short_title_setting ||= Setting.find_by(key: "proposals.email_short_title")
-    end
-
-    def email_feature_description_setting
-      @email_feature_description_setting ||= Setting.find_by(key: "proposals.email_description")
-    end
-
-    def poster_feature_short_title_setting
-      @poster_feature_short_title_setting ||= Setting.find_by(key: "proposals.poster_short_title")
-    end
-
-    def poster_feature_description_setting
-      @poster_feature_description_setting ||= Setting.find_by(key: "proposals.poster_description")
-    end
-  end
-end
diff --git a/app/controllers/concerns/dashboard/group_supports.rb b/app/controllers/concerns/dashboard/group_supports.rb
index f9dfe0fbc..3ca5d4826 100644
--- a/app/controllers/concerns/dashboard/group_supports.rb
+++ b/app/controllers/concerns/dashboard/group_supports.rb
@@ -39,17 +39,6 @@ module Dashboard::GroupSupports
 
       complete_grouped_votes
     end
-
-    def previous_key_for(date)
-      grouping_key_for(date - interval)
-    end
-
-    def interval
-      return 1.week if params[:group_by] == "week"
-      return 1.month if params[:group_by] == "month"
-
-      1.day
-    end
   end
 
   private
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 395faecff..255534a88 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -1,12 +1,4 @@
 module ApplicationHelper
-  def home_page?
-    return false if user_signed_in?
-
-    # Using path because fullpath yields false negatives since it contains
-    # parameters too
-    request.path == "/"
-  end
-
   # if current path is /debates current_path_with_query_params(foo: "bar") returns /debates?foo=bar
   # notice: if query_params have a param which also exist in current path,
   # it "overrides" (query_params is merged last)
diff --git a/app/helpers/documents_helper.rb b/app/helpers/documents_helper.rb
index 46db4522d..1200b418a 100644
--- a/app/helpers/documents_helper.rb
+++ b/app/helpers/documents_helper.rb
@@ -11,10 +11,6 @@ module DocumentsHelper
     bytes / Numeric::MEGABYTE
   end
 
-  def document_nested_field_wrapper_id(index)
-    "document_#{index}"
-  end
-
   def render_destroy_document_link(builder, document)
     if !document.persisted? && document.cached_attachment.present?
       link_to t("documents.form.delete_button"),
diff --git a/app/helpers/imageables_helper.rb b/app/helpers/imageables_helper.rb
index 529ee9cd7..f2ed56b09 100644
--- a/app/helpers/imageables_helper.rb
+++ b/app/helpers/imageables_helper.rb
@@ -3,10 +3,6 @@ module ImageablesHelper
     imageable.image.present? && can?(:destroy, imageable.image)
   end
 
-  def imageable_class(imageable)
-    imageable.class.name.parameterize(separator: "_")
-  end
-
   def imageable_max_file_size
     bytes_to_megabytes(Setting["uploads.images.max_size"].to_i.megabytes)
   end
diff --git a/app/helpers/images_helper.rb b/app/helpers/images_helper.rb
index 179e02b1a..b265e10ad 100644
--- a/app/helpers/images_helper.rb
+++ b/app/helpers/images_helper.rb
@@ -17,10 +17,6 @@ module ImagesHelper
     image.errors[:attachment].join(", ") if image.errors.key?(:attachment)
   end
 
-  def image_bytes_to_megabytes(bytes)
-    bytes / Numeric::MEGABYTE
-  end
-
   def image_class(image)
     image.persisted? ? "persisted-image" : "cached-image"
   end
diff --git a/app/helpers/officers_helper.rb b/app/helpers/officers_helper.rb
index 94eaf1145..9e6a6bb47 100644
--- a/app/helpers/officers_helper.rb
+++ b/app/helpers/officers_helper.rb
@@ -1,8 +1,4 @@
 module OfficersHelper
-  def officer_label(officer)
-    truncate([officer.name, officer.email].compact.join(" - "), length: 100)
-  end
-
   def vote_collection_shift?
     current_user.poll_officer.officer_assignments.voting_days.where(date: Time.current.to_date).any?
   end
diff --git a/app/helpers/polls_helper.rb b/app/helpers/polls_helper.rb
index a3de04ccf..b69a9368f 100644
--- a/app/helpers/polls_helper.rb
+++ b/app/helpers/polls_helper.rb
@@ -19,22 +19,6 @@ module PollsHelper
     end
   end
 
-  def poll_dates_select_options(poll)
-    options = []
-    (poll.starts_at.to_date..poll.ends_at.to_date).each do |date|
-      options << [l(date, format: :long), l(date)]
-    end
-    options_for_select(options, params[:d])
-  end
-
-  def poll_booths_select_options(poll)
-    options = []
-    poll.booths.each do |booth|
-      options << [booth_name_with_location(booth), booth.id]
-    end
-    options_for_select(options)
-  end
-
   def booth_name_with_location(booth)
     location = booth.location.blank? ? "" : " (#{booth.location})"
     booth.name + location
diff --git a/app/models/administrator_task.rb b/app/models/administrator_task.rb
deleted file mode 100644
index 58185fbea..000000000
--- a/app/models/administrator_task.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-class AdministratorTask < ApplicationRecord
-  belongs_to :source, polymorphic: true
-  belongs_to :user
-
-  validates :source, presence: true
-
-  default_scope { order(created_at: :asc) }
-
-  scope :pending, -> { where(executed_at: nil) }
-  scope :done, -> { where.not(executed_at: nil) }
-end
diff --git a/app/models/poll/voter.rb b/app/models/poll/voter.rb
index 02db44c25..d760f0ccd 100644
--- a/app/models/poll/voter.rb
+++ b/app/models/poll/voter.rb
@@ -43,30 +43,5 @@ class Poll
       def set_denormalized_booth_assignment_id
         self.booth_assignment_id ||= officer_assignment&.booth_assignment_id
       end
-
-      def in_census?
-        census_api_response.valid?
-      end
-
-      def census_api_response
-        @census_api_response ||= CensusCaller.new.call(document_type, document_number)
-      end
-
-      def fill_stats_fields
-        if in_census?
-          self.gender = census_api_response.gender
-          self.geozone_id = Geozone.select(:id).find_by(census_code: census_api_response.district_code)&.id
-          self.age = voter_age(census_api_response.date_of_birth)
-        end
-      end
-
-      def voter_age(dob)
-        if dob.blank?
-          nil
-        else
-          now = Date.current
-          now.year - dob.year - (now.month > dob.month || (now.month == dob.month && now.day >= dob.day) ? 0 : 1)
-        end
-      end
   end
 end