diff --git a/app/assets/stylesheets/new_design/landing.scss b/app/assets/stylesheets/new_design/landing.scss
index 7cfaa8839..f6bec1754 100644
--- a/app/assets/stylesheets/new_design/landing.scss
+++ b/app/assets/stylesheets/new_design/landing.scss
@@ -439,19 +439,6 @@ $cta-panel-button-border-size: 2px;
   }
 }
 
-.tour-de-france-banner {
-  padding-top: 15px;
-  padding-bottom: 15px;
-  background-color: $blue;
-  color: #FFFFFF;
-  text-align: center;
-
-  a {
-    color: #FFFFFF;
-    text-decoration: underline;
-  }
-}
-
 .half {
   width: 45%;
   float: left;
diff --git a/app/decorators/champ_decorator.rb b/app/decorators/champ_decorator.rb
index 151eef64d..ef50412f2 100644
--- a/app/decorators/champ_decorator.rb
+++ b/app/decorators/champ_decorator.rb
@@ -18,20 +18,4 @@ class ChampDecorator < Draper::Decorator
       object.value
     end
   end
-
-  def date_for_input
-    if object.value.present?
-      if type_champ == TypeDeChamp.type_champs.fetch(:date)
-        object.value
-      elsif type_champ == TypeDeChamp.type_champs.fetch(:datetime) && object.value != ' 00:00'
-        Time.zone.strptime(object.value, "%Y-%m-%d %H:%M").strftime("%Y-%m-%d")
-      end
-    end
-  end
-
-  def description_with_links
-    if description
-      description.gsub(URI.regexp, '<a target="_blank" href="\0">\0</a>')
-    end
-  end
 end
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index e6d7cf6d9..873036f21 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -90,13 +90,6 @@ module ApplicationHelper
     end
   end
 
-  def ensure_safe_json(json)
-    json.present? ? JSON.parse(json).to_json : '[]'
-  rescue Exception => e
-    Raven.capture_exception(e)
-    {}
-  end
-
   def sentry_config
     sentry = Rails.application.secrets.sentry
     if sentry
diff --git a/app/models/champs/datetime_champ.rb b/app/models/champs/datetime_champ.rb
index a38aa151f..43d59e26f 100644
--- a/app/models/champs/datetime_champ.rb
+++ b/app/models/champs/datetime_champ.rb
@@ -1,24 +1,12 @@
 class Champs::DatetimeChamp < Champ
   before_save :format_before_save
 
-  def same_hour?(num)
-    same_date?(num, '%H')
-  end
-
-  def same_minute?(num)
-    same_date?(num, '%M')
-  end
-
   def search_terms
     # Text search is pretty useless for datetimes so we’re not including these champs
   end
 
   private
 
-  def same_date?(num, compare)
-    return value.present? && value.to_datetime.strftime(compare) == num
-  end
-
   def format_before_save
     if (value =~ /=>/).present?
       self.value =
diff --git a/app/models/dossier.rb b/app/models/dossier.rb
index fd97c3c59..436c8c707 100644
--- a/app/models/dossier.rb
+++ b/app/models/dossier.rb
@@ -152,22 +152,10 @@ class Dossier < ApplicationRecord
     update_columns(autorisation_donnees: false)
   end
 
-  def total_follow
-    follows.size
-  end
-
   def read_only?
     en_instruction? || accepte? || refuse? || sans_suite?
   end
 
-  def invite_for_user(user)
-    invites.find_by(user_id: user.id)
-  end
-
-  def can_be_en_construction?
-    !(procedure.archivee? && brouillon?)
-  end
-
   def can_transition_to_en_construction?
     !procedure.archivee? && brouillon?
   end
diff --git a/app/models/gestionnaire.rb b/app/models/gestionnaire.rb
index 8008cb46b..589cc7f27 100644
--- a/app/models/gestionnaire.rb
+++ b/app/models/gestionnaire.rb
@@ -22,11 +22,6 @@ class Gestionnaire < ApplicationRecord
     procedures.merge(Procedure.avec_lien.or(Procedure.archivees))
   end
 
-  def can_view_dossier?(dossier_id)
-    avis.where(dossier_id: dossier_id).any? ||
-      dossiers.where(id: dossier_id).any?
-  end
-
   def follow(dossier)
     if follow?(dossier)
       return
@@ -43,10 +38,6 @@ class Gestionnaire < ApplicationRecord
     followed_dossiers.include?(dossier)
   end
 
-  def assigned_on_procedure?(procedure_id)
-    procedures.find_by(id: procedure_id).present?
-  end
-
   def assign_to_procedure(procedure)
     begin
       procedures << procedure
diff --git a/app/models/procedure.rb b/app/models/procedure.rb
index 225156e9b..9d5577db3 100644
--- a/app/models/procedure.rb
+++ b/app/models/procedure.rb
@@ -164,10 +164,6 @@ class Procedure < ApplicationRecord
     types_de_champ_private.order(:order_place)
   end
 
-  def all_types_de_champ
-    types_de_champ + types_de_champ_private
-  end
-
   def self.active(id)
     publiees.find(id)
   end
diff --git a/app/models/user.rb b/app/models/user.rb
index 7945bf875..c676fb159 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -28,21 +28,6 @@ class User < ApplicationRecord
     link_invites!
   end
 
-  def self.find_for_france_connect(email, siret)
-    user = User.find_by(email: email)
-
-    if user.nil?
-      User.create(email: email, password: Devise.friendly_token[0, 20], siret: siret)
-    else
-      user.update(siret: siret)
-      user
-    end
-  end
-
-  def loged_in_with_france_connect?
-    loged_in_with_france_connect.present?
-  end
-
   def owns?(dossier)
     dossier.user_id == id
   end
diff --git a/app/services/champs_service.rb b/app/services/champs_service.rb
deleted file mode 100644
index 888465efe..000000000
--- a/app/services/champs_service.rb
+++ /dev/null
@@ -1,48 +0,0 @@
-class ChampsService
-  class << self
-    def save_champs(champs, params)
-      fill_champs(champs, params)
-
-      champs.select(&:changed?).each(&:save)
-    end
-
-    def build_error_messages(champs)
-      champs.select(&:mandatory_and_blank?)
-        .map { |c| "Le champ #{c.libelle.truncate(200)} doit être rempli." }
-    end
-
-    def check_piece_justificative_files(champs)
-      champs.select do |champ|
-        champ.type_champ == TypeDeChamp.type_champs.fetch(:piece_justificative)
-      end.map(&:piece_justificative_file_errors).flatten
-    end
-
-    private
-
-    def fill_champs(champs, h)
-      datetimes, not_datetimes = champs.partition { |c| c.type_champ == TypeDeChamp.type_champs.fetch(:datetime) }
-
-      not_datetimes.each do |c|
-        if c.type_champ == TypeDeChamp.type_champs.fetch(:piece_justificative) && h["champs"]["'#{c.id}'"].present?
-          c.piece_justificative_file.attach(h["champs"]["'#{c.id}'"])
-        else
-          c.value = h[:champs]["'#{c.id}'"]
-        end
-      end
-
-      datetimes.each { |c| c.value = parse_datetime(c.id, h) }
-    end
-
-    def parse_datetime(champ_id, h)
-      "#{h[:champs]["'#{champ_id}'"]} #{extract_hour(champ_id, h)}:#{extract_minute(champ_id, h)}"
-    end
-
-    def extract_hour(champ_id, h)
-      h[:time_hour]["'#{champ_id}'"]
-    end
-
-    def extract_minute(champ_id, h)
-      h[:time_minute]["'#{champ_id}'"]
-    end
-  end
-end
diff --git a/app/services/pieces_justificatives_service.rb b/app/services/pieces_justificatives_service.rb
index 521dd5873..b9ef0f767 100644
--- a/app/services/pieces_justificatives_service.rb
+++ b/app/services/pieces_justificatives_service.rb
@@ -15,23 +15,6 @@ class PiecesJustificativesService
       .compact()
   end
 
-  def self.upload_one!(dossier, user, params)
-    content = params[:piece_justificative][:content]
-    if ClamavService.safe_file?(content.path)
-      pj = PieceJustificative.new(content: content,
-        dossier: dossier,
-        type_de_piece_justificative: nil,
-        user: user)
-
-      pj.save
-    else
-      pj = PieceJustificative.new
-      pj.errors.add(:content, "#{content.original_filename} : <b>Virus détecté !!</b>")
-    end
-
-    pj
-  end
-
   def self.save_pj(content, dossier, tpj, user)
     pj = PieceJustificative.new(content: content,
       dossier: dossier,
diff --git a/spec/controllers/users/sessions_controller_spec.rb b/spec/controllers/users/sessions_controller_spec.rb
index 608791878..b6601b4b9 100644
--- a/spec/controllers/users/sessions_controller_spec.rb
+++ b/spec/controllers/users/sessions_controller_spec.rb
@@ -17,7 +17,7 @@ describe Users::SessionsController, type: :controller do
         user.reload
       end
 
-      subject { user.loged_in_with_france_connect? }
+      subject { user.loged_in_with_france_connect.present? }
 
       it { is_expected.to be_falsey }
     end
@@ -141,7 +141,7 @@ describe Users::SessionsController, type: :controller do
 
     it 'loged_in_with_france_connect current_user attribut is nil' do
       user.reload
-      expect(user.loged_in_with_france_connect?).to be_falsey
+      expect(user.loged_in_with_france_connect.present?).to be_falsey
     end
 
     context 'when user is connect with france connect particulier' do
diff --git a/spec/decorators/champ_decorator_spec.rb b/spec/decorators/champ_decorator_spec.rb
index cc4a00757..9d9fde006 100644
--- a/spec/decorators/champ_decorator_spec.rb
+++ b/spec/decorators/champ_decorator_spec.rb
@@ -62,36 +62,4 @@ describe ChampDecorator do
       end
     end
   end
-
-  describe '#date_for_input' do
-    subject { decorator.date_for_input }
-
-    describe "for a date" do
-      let(:type_de_champ) { create(:type_de_champ_date) }
-
-      context "when value is an ISO date" do
-        before { champ.update value: "2017-12-31" }
-        it { is_expected.to eq "2017-12-31" }
-      end
-
-      context "when value is empty" do
-        before { champ.update value: nil }
-        it { is_expected.to eq nil }
-      end
-    end
-
-    describe "for a datetime" do
-      let(:type_de_champ) { create(:type_de_champ_date) }
-
-      context "when value is an formatted datetime" do
-        before { champ.update value: "2017-12-30 23:17" }
-        it { is_expected.to eq "2017-12-30" }
-      end
-
-      context "when value is empty" do
-        before { champ.update value: nil }
-        it { is_expected.to eq nil }
-      end
-    end
-  end
 end
diff --git a/spec/helpers/application_helper_spec.rb b/spec/helpers/application_helper_spec.rb
index 22c2f9b06..30a7becef 100644
--- a/spec/helpers/application_helper_spec.rb
+++ b/spec/helpers/application_helper_spec.rb
@@ -17,18 +17,4 @@ describe ApplicationHelper do
       it { is_expected.to be_nil }
     end
   end
-
-  describe "#ensure_safe_json" do
-    subject { ensure_safe_json(json) }
-
-    context "with a dirty json" do
-      let(:json) { "alert('haha');" }
-      it { is_expected.to eq({}) }
-    end
-
-    context 'with a correct json' do
-      let(:json) { '[[{"lat": 2.0, "lng": 102.0}, {"lat": 3.0, "lng": 103.0}, {"lat": 2.0, "lng": 102.0}], [{"lat": 2.0, "lng": 102.0}, {"lat": 3.0, "lng": 103.0}, {"lat": 2.0, "lng": 102.0}]]' }
-      it { is_expected.to eq("[[{\"lat\":2.0,\"lng\":102.0},{\"lat\":3.0,\"lng\":103.0},{\"lat\":2.0,\"lng\":102.0}],[{\"lat\":2.0,\"lng\":102.0},{\"lat\":3.0,\"lng\":103.0},{\"lat\":2.0,\"lng\":102.0}]]") }
-    end
-  end
 end
diff --git a/spec/models/dossier_spec.rb b/spec/models/dossier_spec.rb
index 36b9d2e95..91732b0a5 100644
--- a/spec/models/dossier_spec.rb
+++ b/spec/models/dossier_spec.rb
@@ -235,29 +235,6 @@ describe Dossier do
     it { expect(dossier.champs_private.pluck(:libelle)).to match(['l1', 'l2', 'l3']) }
   end
 
-  describe '#total_follow' do
-    let(:dossier) { create(:dossier, :with_entreprise, user: user) }
-    let(:dossier2) { create(:dossier, :with_entreprise, user: user) }
-
-    subject { dossier.total_follow }
-
-    context 'when no body follow dossier' do
-      it { expect(subject).to eq 0 }
-    end
-
-    context 'when 2 people follow dossier' do
-      before do
-        create :follow, dossier_id: dossier.id, gestionnaire_id: (create :gestionnaire).id
-        create :follow, dossier_id: dossier.id, gestionnaire_id: (create :gestionnaire).id
-
-        create :follow, dossier_id: dossier2.id, gestionnaire_id: (create :gestionnaire).id
-        create :follow, dossier_id: dossier2.id, gestionnaire_id: (create :gestionnaire).id
-      end
-
-      it { expect(subject).to eq 2 }
-    end
-  end
-
   describe "#text_summary" do
     let(:procedure) { create(:procedure, libelle: "Démarche", organisation: "Organisme") }
 
diff --git a/spec/models/gestionnaire_spec.rb b/spec/models/gestionnaire_spec.rb
index e860c3231..e24b6d353 100644
--- a/spec/models/gestionnaire_spec.rb
+++ b/spec/models/gestionnaire_spec.rb
@@ -199,29 +199,6 @@ describe Gestionnaire, type: :model do
     end
   end
 
-  describe '#can_view_dossier?' do
-    subject{ gestionnaire.can_view_dossier?(dossier.id) }
-
-    context 'when gestionnaire is assigned on dossier' do
-      let!(:dossier){ create(:dossier, procedure: procedure, state: Dossier.states.fetch(:en_instruction)) }
-
-      it { expect(subject).to be true }
-    end
-
-    context 'when gestionnaire is invited on dossier' do
-      let(:dossier){ create(:dossier) }
-      let!(:avis){ create(:avis, dossier: dossier, gestionnaire: gestionnaire) }
-
-      it { expect(subject).to be true }
-    end
-
-    context 'when gestionnaire is neither assigned nor invited on dossier' do
-      let(:dossier){ create(:dossier) }
-
-      it { expect(subject).to be false }
-    end
-  end
-
   describe "procedure_presentation_and_errors_for_procedure_id" do
     let(:procedure_presentation_and_errors) { gestionnaire.procedure_presentation_and_errors_for_procedure_id(procedure_id) }
     let(:procedure_presentation) { procedure_presentation_and_errors.first }
diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
index 942283c16..9564d4623 100644
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -20,36 +20,6 @@ describe User, type: :model do
     end
   end
 
-  describe '#find_for_france_connect' do
-    let(:siret) { '00000000000000' }
-    context 'when user exist' do
-      let!(:user) { create(:user) }
-      subject { described_class.find_for_france_connect(user.email, siret) }
-      it 'retrieves user' do
-        expect(subject).to eq(user)
-      end
-      it 'saves siret in user' do
-        expect(subject.siret).to eq(siret)
-      end
-      it 'does not create new user' do
-        expect { subject }.not_to change(User, :count)
-      end
-    end
-    context 'when user does not exist' do
-      let(:email) { 'super-m@n.com' }
-      subject { described_class.find_for_france_connect(email, siret) }
-      it 'returns user' do
-        expect(subject).to be_an_instance_of(User)
-      end
-      it 'creates new user' do
-        expect { subject }.to change(User, :count).by(1)
-      end
-      it 'saves siret' do
-        expect(subject.siret).to eq(siret)
-      end
-    end
-  end
-
   describe '#owns?' do
     let(:owner) { create(:user) }
     let(:dossier) { create(:dossier, user: owner) }
diff --git a/spec/services/champs_service_spec.rb b/spec/services/champs_service_spec.rb
deleted file mode 100644
index 3d7703348..000000000
--- a/spec/services/champs_service_spec.rb
+++ /dev/null
@@ -1,40 +0,0 @@
-require 'spec_helper'
-
-describe ChampsService do
-  let(:type_de_champ) { create(:type_de_champ) }
-  let(:type_de_champ_mandatory) { create(:type_de_champ, libelle: 'mandatory', mandatory: true) }
-  let(:type_de_champ_datetime) { create(:type_de_champ_datetime) }
-  let!(:champ) { type_de_champ.champ.create(value: 'toto') }
-  let!(:champ_mandatory_empty) { type_de_champ_mandatory.champ.create }
-  let!(:champ_datetime) { type_de_champ_datetime.champ.create }
-  let!(:champs) { [champ, champ_mandatory_empty, champ_datetime] }
-
-  describe 'save_champs' do
-    before :each do
-      params_hash = {
-        champs: {
-          "'#{champ.id}'" => 'yop',
-          "'#{champ_datetime.id}'" => 'd'
-        },
-        time_hour:  { "'#{champ_datetime.id}'" => '12' },
-        time_minute: { "'#{champ_datetime.id}'" => '24' }
-      }
-      ChampsService.save_champs(champs, params_hash)
-      champs.each(&:reload)
-    end
-
-    it 'saves the changed champ' do
-      expect(champ.value).to eq('yop')
-    end
-
-    it 'parses and save the date' do
-      expect(champ_datetime.value).to eq(nil)
-    end
-  end
-
-  describe 'build_error_message' do
-    it 'adds error for the missing mandatory champ' do
-      expect(ChampsService.build_error_messages(champs)).to match(['Le champ mandatory doit être rempli.'])
-    end
-  end
-end