diff --git a/lib/tasks/deployment/20230921132123_unroute_cloned_procedures_from_diffent_admin.rake b/lib/tasks/deployment/20230921132123_unroute_cloned_procedures_from_diffent_admin.rake
new file mode 100644
index 000000000..9e4bb9b4b
--- /dev/null
+++ b/lib/tasks/deployment/20230921132123_unroute_cloned_procedures_from_diffent_admin.rake
@@ -0,0 +1,18 @@
+namespace :after_party do
+  desc 'Deployment task: unroute_cloned_procedures_from_diffent_admin'
+  task unroute_cloned_procedures_from_diffent_admin: :environment do
+    puts "Running deploy task 'unroute_cloned_procedures_from_diffent_admin'"
+
+    # Put your task implementation HERE.
+    Procedure
+      .with_discarded
+      .where(routing_enabled: true)
+      .filter { |p| p.groupe_instructeurs.active.count == 1 }
+      .update_all(routing_enabled: false)
+
+    # 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: AfterParty::TaskRecorder.new(__FILE__).timestamp
+  end
+end