Assets/Scripts/Ally/AllyUpgrade.cs

@@ -52,8 +52,6 @@ public class AllyUpgrade : MonoBehaviour, IPointerClickHandler
                 if (upgradeEnfant.TryGetComponent<UpgradePlacementButton>(out UpgradePlacementButton button))
                 {
                     button.Initialize(_upgradeList[i], gameObject, canvas);
-                    //button.GetComponent<Selectable>().Select();
-                    //button.gameObject.AddComponent<DeselectedAction>().Init(_instance);
                 }
             }
         }

Assets/Scripts/UnitTree/DeselectManager.cs

@@ -28,8 +28,7 @@ public class DeselectManager : SingletonBehaviour<DeselectManager>
                     return;
                 }
             }
-            Destroy(_allyUpgrade);
-            _allyUpgrade = null;
+            SetAllyUpgrade(null);
         }
     }