diff --git a/app/dashboards/administrateur_dashboard.rb b/app/dashboards/administrateur_dashboard.rb
index ba6f91072..ead5ef9f7 100644
--- a/app/dashboards/administrateur_dashboard.rb
+++ b/app/dashboards/administrateur_dashboard.rb
@@ -14,7 +14,6 @@ class AdministrateurDashboard < Administrate::BaseDashboard
     updated_at: Field::DateTime,
     procedures: Field::HasMany.with_options(limit: 20),
     registration_state: Field::String.with_options(searchable: false),
-    current_sign_in_at: Field::DateTime,
     features: FeaturesField,
     email: Field::Email.with_options(searchable: false)
   }.freeze
@@ -39,7 +38,6 @@ class AdministrateurDashboard < Administrate::BaseDashboard
     :created_at,
     :updated_at,
     :registration_state,
-    :current_sign_in_at,
     :features,
     :procedures
   ].freeze
diff --git a/app/dashboards/instructeur_dashboard.rb b/app/dashboards/instructeur_dashboard.rb
index e88052331..f61b858db 100644
--- a/app/dashboards/instructeur_dashboard.rb
+++ b/app/dashboards/instructeur_dashboard.rb
@@ -12,7 +12,6 @@ class InstructeurDashboard < Administrate::BaseDashboard
     user: Field::HasOne.with_options(searchable: true, searchable_field: 'email'),
     created_at: Field::DateTime,
     updated_at: Field::DateTime,
-    current_sign_in_at: Field::DateTime,
     dossiers: Field::HasMany,
     procedures: Field::HasMany,
     features: FeaturesField
@@ -35,7 +34,6 @@ class InstructeurDashboard < Administrate::BaseDashboard
     :dossiers,
     :id,
     :user,
-    :current_sign_in_at,
     :created_at,
     :features
   ].freeze
diff --git a/app/models/administrateur.rb b/app/models/administrateur.rb
index 8082325d3..0b982aabf 100644
--- a/app/models/administrateur.rb
+++ b/app/models/administrateur.rb
@@ -92,4 +92,8 @@ class Administrateur < ApplicationRecord
 
     destroy
   end
+
+  # required to display feature flags field in manager
+  def features
+  end
 end
diff --git a/app/models/instructeur.rb b/app/models/instructeur.rb
index bb55fe36a..f3cc6dff7 100644
--- a/app/models/instructeur.rb
+++ b/app/models/instructeur.rb
@@ -191,6 +191,10 @@ class Instructeur < ApplicationRecord
     user.administrateur.nil? && procedures.all? { |p| p.defaut_groupe_instructeur.instructeurs.count > 1 }
   end
 
+  # required to display feature flags field in manager
+  def features
+  end
+
   private
 
   def annotations_hash(demande, annotations_privees, avis, messagerie)
diff --git a/spec/controllers/manager/administrateurs_controller_spec.rb b/spec/controllers/manager/administrateurs_controller_spec.rb
index b1504511a..1261c49b8 100644
--- a/spec/controllers/manager/administrateurs_controller_spec.rb
+++ b/spec/controllers/manager/administrateurs_controller_spec.rb
@@ -1,10 +1,21 @@
 describe Manager::AdministrateursController, type: :controller do
   let(:administration) { create(:administration) }
+  let(:administrateur) { create(:administrateur) }
 
   before do
     sign_in administration
   end
 
+  describe '#show' do
+    render_views
+
+    before do
+      get :show, params: { id: administrateur.id }
+    end
+
+    it { expect(response.body).to include(administrateur.email) }
+  end
+
   describe 'GET #new' do
     render_views
     it 'displays form to create a new admin' do
@@ -41,23 +52,20 @@ describe Manager::AdministrateursController, type: :controller do
   end
 
   describe '#delete' do
-    let!(:admin) { create(:administrateur) }
-
-    subject { delete :delete, params: { id: admin.id } }
+    subject { delete :delete, params: { id: administrateur.id } }
 
     it 'deletes the admin' do
       subject
 
-      expect(Administrateur.find_by(id: admin.id)).to be_nil
+      expect(Administrateur.find_by(id: administrateur.id)).to be_nil
     end
   end
 
   describe '#index' do
     render_views
-    let(:admin) { create(:administrateur) }
 
     it 'searches admin by email' do
-      get :index, params: { search: admin.email }
+      get :index, params: { search: administrateur.email }
       expect(response).to be_success
     end
   end
diff --git a/spec/controllers/manager/instructeurs_controller_spec.rb b/spec/controllers/manager/instructeurs_controller_spec.rb
index 3a0164d4b..ef44aa706 100644
--- a/spec/controllers/manager/instructeurs_controller_spec.rb
+++ b/spec/controllers/manager/instructeurs_controller_spec.rb
@@ -1,9 +1,19 @@
 describe Manager::InstructeursController, type: :controller do
   let(:administration) { create(:administration) }
+  let(:instructeur) { create(:instructeur) }
+
+  describe '#show' do
+    render_views
+
+    before do
+      sign_in(administration)
+      get :show, params: { id: instructeur.id }
+    end
+
+    it { expect(response.body).to include(instructeur.email) }
+  end
 
   describe '#delete' do
-    let!(:instructeur) { create(:instructeur) }
-
     before { sign_in administration }
 
     subject { delete :delete, params: { id: instructeur.id } }
diff --git a/spec/controllers/manager/users_controller_spec.rb b/spec/controllers/manager/users_controller_spec.rb
index 4aacf54a1..58a71972a 100644
--- a/spec/controllers/manager/users_controller_spec.rb
+++ b/spec/controllers/manager/users_controller_spec.rb
@@ -1,6 +1,20 @@
 describe Manager::UsersController, type: :controller do
   let(:administration) { create(:administration) }
 
+  describe '#show' do
+    render_views
+
+    let(:administration) { create(:administration) }
+    let(:user) { create(:user) }
+
+    before do
+      sign_in(administration)
+      get :show, params: { id: user.id }
+    end
+
+    it { expect(response.body).to include(user.email) }
+  end
+
   describe '#update' do
     let!(:user) { create(:user, email: 'ancien.email@domaine.fr') }