diff --git a/lib/tasks/deployment/20190704133852_create_dummy_paths_for_archived_and_hidden_procedures.rake b/lib/tasks/deployment/20190704133852_create_dummy_paths_for_archived_and_hidden_procedures.rake
deleted file mode 100644
index ceefc8b86..000000000
--- a/lib/tasks/deployment/20190704133852_create_dummy_paths_for_archived_and_hidden_procedures.rake
+++ /dev/null
@@ -1,18 +0,0 @@
-namespace :after_party do
-  desc 'Deployment task: create_dummy_paths_for_archived_and_hidden_procedures'
-  task create_dummy_paths_for_archived_and_hidden_procedures: :environment do
-    rake_puts "Running deploy task 'create_dummy_paths_for_archived_procedures'"
-
-    Procedure.with_discarded.archivees.where(path: nil).each do |p|
-      p.update_column(:path, SecureRandom.uuid)
-    end
-
-    Procedure.hidden.where(path: nil).each do |p|
-      p.update_column(:path, SecureRandom.uuid)
-    end
-
-    # Update task as completed.  If you remove the line below, the task will
-    # run with every deploy (or every time you call after_party:run).
-    AfterParty::TaskRecord.create version: '20190704133852'
-  end
-end
diff --git a/lib/tasks/deployment/20190731152733_migrate_geo_area_data.rake b/lib/tasks/deployment/20190731152733_migrate_geo_area_data.rake
deleted file mode 100644
index e5821d722..000000000
--- a/lib/tasks/deployment/20190731152733_migrate_geo_area_data.rake
+++ /dev/null
@@ -1,28 +0,0 @@
-namespace :after_party do
-  desc 'Deployment task: migrate_geo_area_data'
-  task migrate_geo_area_data: :environment do
-    rake_puts "Running deploy task 'migrate_geo_area_data'"
-
-    progress = ProgressReport.new(Champs::CarteChamp.count)
-
-    Champs::CarteChamp.includes(:geo_areas).find_each do |champ|
-      geo_area = champ.geo_areas.find(&:selection_utilisateur?)
-      geo_json = champ.geo_json_from_value
-
-      if geo_area.blank? && geo_json.present?
-        GeoArea.create(
-          champ: champ,
-          geometry: geo_json,
-          source: GeoArea.sources.fetch(:selection_utilisateur)
-        )
-        progress.inc
-      end
-    end
-
-    progress.finish
-
-    # Update task as completed.  If you remove the line below, the task will
-    # run with every deploy (or every time you call after_party:run).
-    AfterParty::TaskRecord.create version: '20190731152733'
-  end
-end
diff --git a/lib/tasks/deployment/20190829065022_migrate_flipflop_to_flipper.rake b/lib/tasks/deployment/20190829065022_migrate_flipflop_to_flipper.rake
deleted file mode 100644
index 4892d71de..000000000
--- a/lib/tasks/deployment/20190829065022_migrate_flipflop_to_flipper.rake
+++ /dev/null
@@ -1,33 +0,0 @@
-namespace :after_party do
-  desc 'Deployment task: migrate_flipflop_to_flipper'
-  task migrate_flipflop_to_flipper: :environment do
-    rake_puts "Running deploy task 'migrate_flipflop_to_flipper'"
-
-    Instructeur.includes(:user).find_each do |instructeur|
-      if instructeur.features['download_as_zip_enabled']
-        pp "enable :instructeur_download_as_zip for #{instructeur.user.email}"
-        Flipper.enable_actor(:instructeur_download_as_zip, instructeur.user)
-      end
-      if instructeur.features['bypass_email_login_token']
-        pp "enable :instructeur_bypass_email_login_token for #{instructeur.user.email}"
-        Flipper.enable_actor(:instructeur_bypass_email_login_token, instructeur.user)
-      end
-    end
-
-    Administrateur.includes(:user).find_each do |administrateur|
-      if administrateur.features['web_hook']
-        pp "enable :administrateur_web_hook for #{administrateur.user.email}"
-        Flipper.enable_actor(:administrateur_web_hook, administrateur.user)
-      end
-
-      if administrateur.features['champ_integer_number']
-        pp "enable :administrateur_champ_integer_number for #{administrateur.user.email}"
-        Flipper.enable_actor(:administrateur_champ_integer_number, administrateur.user)
-      end
-    end
-
-    # Update task as completed.  If you remove the line below, the task will
-    # run with every deploy (or every time you call after_party:run).
-    AfterParty::TaskRecord.create version: '20190829065022'
-  end
-end
diff --git a/lib/tasks/deployment/20200220142710_backfill_daily_email_notification_columns.rake b/lib/tasks/deployment/20200220142710_backfill_daily_email_notification_columns.rake
deleted file mode 100644
index 919441434..000000000
--- a/lib/tasks/deployment/20200220142710_backfill_daily_email_notification_columns.rake
+++ /dev/null
@@ -1,16 +0,0 @@
-namespace :after_party do
-  desc 'Deployment task: backfill_daily_email_notification_columns'
-  task backfill_daily_email_notification_columns: :environment do
-    puts "Running deploy task 'backfill_daily_email_notification_columns'"
-    AssignTo.find_each do |assign_to|
-      columns_to_update = {}
-      if assign_to.email_notifications_enabled != assign_to.daily_email_notifications_enabled
-        columns_to_update[:daily_email_notifications_enabled] = assign_to.email_notifications_enabled
-      end
-      assign_to.update_columns(columns_to_update) unless columns_to_update.empty?
-    end
-    # Update task as completed.  If you remove the line below, the task will
-    # run with every deploy (or every time you call after_party:run).
-    AfterParty::TaskRecord.create version: '20200220142710'
-  end # task :backfill_daily_email_notification_columns
-end # namespace :after_party