Inventory.deleteAllItems C# (CSharp) Method

    public void deleteAllItems()
    {
        for (int i = 0; i < SlotContainer.transform.childCount; i++)
        {
            if (SlotContainer.transform.GetChild(i).childCount != 0)
            {
                Destroy(SlotContainer.transform.GetChild(i).GetChild(0).gameObject);
            }
        }
    }

    void Update()
    {
        float distance = Vector3.Distance(gameObject.transform.position, player.transform.position);

        if (showTimer)
        {
            if (timerImage != null)
            {
                timer.SetActive(true);
                float fillAmount = (Time.time - startTimer) / timeToOpenStorage;
                timerImage.fillAmount = fillAmount;
            }
        }

        if (distance > distanceToOpenStorage && showStorage)
        {
            showStorage = false;
            if (inventory.activeSelf)
            {
                storageItems.Clear();
                setListofStorage();
                inventory.SetActive(false);
                inv.deleteAllItems();
            }
            tooltip.deactivateTooltip();
            timerImage.fillAmount = 0;
            timer.SetActive(false);
            showTimer = false;
        }
    }