How to avoid "Script timeout: exhausted allowed execution time" ?

so i have this script which removes a folder with loathes of 2x2x2 cubes and like how to i make it avoid "Script timeout: exhausted allowed execution time" ?

here is the script :

script.Parent.MouseButton1Click:Connect(function()
	if game.Workspace:WaitForChild("blocks")then
		folder = game.Workspace:WaitForChild("blocks")
		folder:Destroy()
		newFolder = Instance.new("Folder", workspace)
		newFolder.Name = "blocks"
	else 
		newFolder = Instance.new("Folder", workspace)
		newFolder.Name = "blocks"
		
	end
	
	
	
end)