Please tell me script

Hello everyone. :волна:
How do I make the old item disappear in Roblox Studio when opening the next case? Tell pls :молиться:

	'ItemName',
	'ItemName',
	'ItemName',
	'ItemName'
}

local CD = script.Parent.ClickDetector
local Label = script.Parent.BillboardGui.TextLabel

--Debounce Mechanism--

local Debounce = false
local Stop = false


--Put your Item inside a folder in Replicated Storage--

local RP =  game:GetService('ReplicatedStorage')
local ItemFolder = RP.ItemFolder


--Click Function--

local function onClicked(player)
	
	--Checking--
	print('Clicked')
	
	--if debounce = true--
	if Debounce then print('Debounce Active') return end
	
	Debounce = true
	
	--Stop = true if the function is running--
	spawn(function()
		wait(5)
		Stop = true
	end)
	
	math.randomseed(tick())
	
	
	--choosing 1 item every 0.1 seconds until stop = true--
	repeat
		
		local ItemDisplay = ItemTable[math.random(1,#ItemTable)]
		Label.Text = ItemDisplay
		wait(0.1)
		
	until Stop == true
	
	
	--chosen item result--
	local ChosenItem = Label.Text
	wait(0.5)
	print(ChosenItem)
	Label.Text = 'You got '.. ChosenItem
	
	
	--finding the item in the folder--
	if ItemFolder:FindFirstChild(ChosenItem) then
		
		local cloned = ItemFolder[ChosenItem]:Clone()
		cloned.Parent = player.Backpack
		
	end
	
	
	--stop the debounce--
	Stop = false
	wait(1)
	Debounce = false
	
end

--Run the function when you left click--
CD.MouseClick:Connect(onClicked)