diff --git a/lib/microwaveprop/workers/propagation_grid_worker.ex b/lib/microwaveprop/workers/propagation_grid_worker.ex
index b917c944..759c1424 100644
--- a/lib/microwaveprop/workers/propagation_grid_worker.ex
+++ b/lib/microwaveprop/workers/propagation_grid_worker.ex
@@ -6,8 +6,7 @@ defmodule Microwaveprop.Workers.PropagationGridWorker do
 
   use Oban.Worker,
     queue: :propagation,
-    max_attempts: 3,
-    unique: [period: 3600, states: [:available, :scheduled, :executing]]
+    max_attempts: 3
 
   alias Microwaveprop.Propagation
   alias Microwaveprop.Propagation.Grid