diff --git a/lib/dpul_collections/index_metrics_tracker.ex b/lib/dpul_collections/index_metrics_tracker.ex
index d30edad0..122d98c8 100644
--- a/lib/dpul_collections/index_metrics_tracker.ex
+++ b/lib/dpul_collections/index_metrics_tracker.ex
@@ -32,6 +32,15 @@ defmodule DpulCollections.IndexMetricsTracker do
     Metrics.index_metrics(source.processor_marker_key(), "full_index")
   end
 
+  def reset() do
+    GenServer.call(__MODULE__, {:reset})
+  end
+
+  @impl true
+  def handle_call({:reset}, _, _state) do
+    {:reply, nil, %{}}
+  end
+
   @impl true
   def handle_call({:fresh_index, source}, _, state) do
     new_state =
diff --git a/test/dpul_collections/index_metrics_tracker_test.exs b/test/dpul_collections/index_metrics_tracker_test.exs
index e64b9351..08b743f9 100644
--- a/test/dpul_collections/index_metrics_tracker_test.exs
+++ b/test/dpul_collections/index_metrics_tracker_test.exs
@@ -6,6 +6,11 @@ defmodule DpulCollections.IndexMetricsTrackerTest do
   use DpulCollections.DataCase
 
   describe "index_times/1" do
+    setup do
+      IndexMetricsTracker.reset()
+      :ok
+    end
+
     test "registers index times" do
       # Act
       # Send an ack done with acked_count 1, before anything - this should be