diff --git a/internal/alerts/pbs_datastore_override_alias_test.go b/internal/alerts/pbs_datastore_override_alias_test.go
index 667c9329e2..7e488ff52d 100644
--- a/internal/alerts/pbs_datastore_override_alias_test.go
+++ b/internal/alerts/pbs_datastore_override_alias_test.go
@@ -12,6 +12,7 @@ import (
 // must bridge the two so a UI-written override actually applies (#1591).
 func TestResolveStorageThresholds_HonorsCanonicalPBSDatastoreAlias(t *testing.T) {
 	m := NewManagerWithDataDir(t.TempDir())
+	t.Cleanup(m.Stop)
 	m.UpdateConfig(AlertConfig{
 		Enabled:        true,
 		StorageDefault: HysteresisThreshold{Trigger: 85, Clear: 80},
diff --git a/internal/monitoring/monitor_alert_handling_test.go b/internal/monitoring/monitor_alert_handling_test.go
index a1c0c6e12f..d1d88aac64 100644
--- a/internal/monitoring/monitor_alert_handling_test.go
+++ b/internal/monitoring/monitor_alert_handling_test.go
@@ -1071,6 +1071,7 @@ func TestMonitor_HandleAlertResolved_SuppressesRecoveryWhenFiringNeverDelivered(
 	notifMgr.SetGroupingWindow(120)
 
 	alertMgr := alerts.NewManager()
+	t.Cleanup(alertMgr.Stop)
 	cfg := alertMgr.GetConfig()
 	cfg.Enabled = true
 	cfg.ActivationState = alerts.ActivationActive