diff --git a/Assets/Cryville.EEW.Unity/UI/EventUnitListView.cs b/Assets/Cryville.EEW.Unity/UI/EventUnitListView.cs
index 73456b5..448db01 100644
--- a/Assets/Cryville.EEW.Unity/UI/EventUnitListView.cs
+++ b/Assets/Cryville.EEW.Unity/UI/EventUnitListView.cs
@@ -7,11 +7,10 @@ namespace Cryville.EEW.Unity.UI {
 		EventUnitView m_prefabEventUnitView;
 
 		public void Set(ReportGroup group) {
-			foreach(Transform child in transform) {
-				child.SetParent(null, false);
+			foreach (Transform child in transform) {
 				Destroy(child.gameObject);
 			}
-			foreach(var unit in group) {
+			foreach (var unit in group) {
 				Add(unit);
 			}
 		}