How to hide the horizontal line between nvim tree and the editor buffer?

[ak-seyam]

How can I hide the separating line?

[carlosflorencio]

  {
    'navarasu/onedark.nvim',
    enabled = true,
    lazy = false,
    priority = 1000,
    config = function()
      require('onedark').setup {}
      require('onedark').load()
      -- hide line separator
      vim.api.nvim_set_hl(0, "NvimTreeWinSeparator", { link = "Ignore" })
    end,
  },