diff --git a/lib/localiser/domain/sensors.ex b/lib/localiser/domain/sensors.ex
index b0d5c7c..88121db 100644
--- a/lib/localiser/domain/sensors.ex
+++ b/lib/localiser/domain/sensors.ex
@@ -122,7 +122,11 @@ defmodule Localiser.Domain.Sensors do
 
   def delete_sensor(%Sensor{} = sensor) do
     factory_reset(sensor)
-    Repo.delete(sensor)
+
+    with {:ok, deleted} <- Repo.delete(sensor) do
+      Phoenix.PubSub.broadcast(Localiser.PubSub, "sensors", {:sensor_unenrolled, deleted.sensor_id})
+      {:ok, deleted}
+    end
   end
 
   def enroll_sensor(%Sensor{} = sensor, room_id) do