diff --git a/app/controllers/manager/dossiers_controller.rb b/app/controllers/manager/dossiers_controller.rb
index 31867443f..35b7c785c 100644
--- a/app/controllers/manager/dossiers_controller.rb
+++ b/app/controllers/manager/dossiers_controller.rb
@@ -22,10 +22,10 @@ module Manager
 
     def hide
       dossier = Dossier.find(params[:id])
-      dossier.hide!(current_administration)
+      dossier.delete_and_keep_track(current_administration)
 
       logger.info("Le dossier #{dossier.id} est supprimé par #{current_administration.email}")
-      flash[:notice] = "Le dossier #{dossier.id} est supprimé"
+      flash[:notice] = "Le dossier #{dossier.id} a été supprimé."
 
       redirect_to manager_dossier_path(dossier)
     end
diff --git a/app/controllers/users/dossiers_controller.rb b/app/controllers/users/dossiers_controller.rb
index 3e13bbc46..4479e5a18 100644
--- a/app/controllers/users/dossiers_controller.rb
+++ b/app/controllers/users/dossiers_controller.rb
@@ -193,7 +193,7 @@ module Users
       dossier = current_user.dossiers.includes(:user, procedure: :administrateurs).find(params[:id])
 
       if dossier.can_be_deleted_by_user?
-        dossier.delete_and_keep_track
+        dossier.delete_and_keep_track(current_user)
         flash.notice = 'Votre dossier a bien été supprimé.'
         redirect_to dossiers_path
       else
diff --git a/app/models/dossier.rb b/app/models/dossier.rb
index 28682f056..a0251397b 100644
--- a/app/models/dossier.rb
+++ b/app/models/dossier.rb
@@ -317,7 +317,7 @@ class Dossier < ApplicationRecord
     end
   end
 
-  def delete_and_keep_track
+  def delete_and_keep_track(author)
     deleted_dossier = DeletedDossier.create_from_dossier(self)
     update(hidden_at: deleted_dossier.deleted_at)
 
@@ -328,6 +328,8 @@ class Dossier < ApplicationRecord
       end
     end
     DossierMailer.notify_deletion_to_user(deleted_dossier, user.email).deliver_later
+
+    log_dossier_operation(author, :supprimer, self)
   end
 
   def after_passer_en_instruction(gestionnaire)
@@ -409,14 +411,6 @@ class Dossier < ApplicationRecord
     log_dossier_operation(gestionnaire, :classer_sans_suite, self)
   end
 
-  def hide!(administration)
-    update(hidden_at: Time.zone.now)
-
-    deleted_dossier = DeletedDossier.create_from_dossier(self)
-    DossierMailer.notify_deletion_to_user(deleted_dossier, user.email).deliver_later
-    log_dossier_operation(administration, :supprimer, self)
-  end
-
   def check_mandatory_champs
     (champs + champs.select(&:repetition?).flat_map(&:champs))
       .select(&:mandatory_and_blank?)
diff --git a/lib/tasks/support.rake b/lib/tasks/support.rake
index 9cdb35adb..7d96ac8e2 100644
--- a/lib/tasks/support.rake
+++ b/lib/tasks/support.rake
@@ -2,19 +2,26 @@ require Rails.root.join("lib", "tasks", "task_helper")
 
 namespace :support do
   desc <<~EOD
-    Delete the user account for a given USER_EMAIL.
+    Delete the user account for a given USER_EMAIL on the behalf of ADMIN_EMAIL.
     Only works if the user has no dossier where the instruction has started.
   EOD
   task delete_user_account: :environment do
     user_email = ENV['USER_EMAIL']
-    if user_email.nil?
-      fail "Must specify a USER_EMAIL"
-    end
-    user = User.find_by(email: user_email)
+    fail "Must specify a USER_EMAIL" if user_email.nil?
+
+    administration_email = ENV['ADMIN_EMAIL']
+    fail "Must specify the ADMIN_EMAIL of the operator performing the deletion (yourself)" if administration_email.nil?
+
+    user = User.find_by!(email: user_email)
+    administration = Administration.find_by!(email: administration_email)
+
     if user.dossiers.state_instruction_commencee.any?
       fail "Cannot delete this user because instruction has started for some dossiers"
     end
-    user.dossiers.each(&:delete_and_keep_track)
+
+    user.dossiers.each do |dossier|
+      dossier.delete_and_keep_track(administration)
+    end
     user.destroy
   end
 
diff --git a/spec/models/dossier_spec.rb b/spec/models/dossier_spec.rb
index 67ad2a39a..312e5d9ab 100644
--- a/spec/models/dossier_spec.rb
+++ b/spec/models/dossier_spec.rb
@@ -632,13 +632,14 @@ describe Dossier do
   describe "#delete_and_keep_track" do
     let(:dossier) { create(:dossier) }
     let(:deleted_dossier) { DeletedDossier.find_by!(dossier_id: dossier.id) }
+    let(:last_operation) { dossier.dossier_operation_logs.last }
 
     before do
       allow(DossierMailer).to receive(:notify_deletion_to_user).and_return(double(deliver_later: nil))
       allow(DossierMailer).to receive(:notify_deletion_to_administration).and_return(double(deliver_later: nil))
     end
 
-    subject! { dossier.delete_and_keep_track }
+    subject! { dossier.delete_and_keep_track(dossier.user) }
 
     it 'hides the dossier' do
       expect(dossier.hidden_at).to be_present
@@ -655,6 +656,11 @@ describe Dossier do
       expect(DossierMailer).to have_received(:notify_deletion_to_user).with(deleted_dossier, dossier.user.email)
     end
 
+    it 'records the operation in the log' do
+      expect(last_operation.operation).to eq("supprimer")
+      expect(last_operation.automatic_operation?).to be_falsey
+    end
+
     context 'where gestionnaires are following the dossier' do
       let(:dossier) { create(:dossier, :en_construction, :followed) }
       let!(:non_following_gestionnaire) do
@@ -990,23 +996,6 @@ describe Dossier do
     end
   end
 
-  describe '#hide!' do
-    let(:dossier) { create(:dossier) }
-    let(:administration) { create(:administration) }
-    let(:last_operation) { dossier.dossier_operation_logs.last }
-
-    before do
-      Timecop.freeze
-      dossier.hide!(administration)
-    end
-
-    after { Timecop.return }
-
-    it { expect(dossier.hidden_at).to eq(Time.zone.now) }
-    it { expect(last_operation.operation).to eq('supprimer') }
-    it { expect(last_operation.automatic_operation?).to be_falsey }
-  end
-
   describe '#repasser_en_instruction!' do
     let(:dossier) { create(:dossier, :refuse, :with_attestation) }
     let!(:gestionnaire) { create(:gestionnaire) }