Unmap keybinding doesn't work for all keys about lsp-zero.nvim HOT 4 CLOSED

lsp.on_attach(function(client, bufnr)
  local map = function(mode, lhs, rhs)
    local opts = {remap = false, buffer = bufnr}
    vim.keymap.set(mode, lhs, rhs, opts)
  end

  -- LSP actions
  map('n', 'K', '<cmd>lua vim.lsp.buf.hover()<cr>')
  map('n', 'gd', '<cmd>lua vim.lsp.buf.definition()<cr>')
  map('n', 'gD', '<cmd>lua vim.lsp.buf.declaration()<cr>')
  map('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<cr>')
  map('n', 'go', '<cmd>lua vim.lsp.buf.type_definition()<cr>')
  map('n', 'gr', '<cmd>lua vim.lsp.buf.references()<cr>')
  map('n', '<C-k>', '<cmd>lua vim.lsp.buf.signature_help()<cr>')
  map('n', '<F2>', '<cmd>lua vim.lsp.buf.rename()<cr>')
  map('n', '<F4>', '<cmd>lua vim.lsp.buf.code_action()<cr>')
  map('x', '<F4>', '<cmd>lua vim.lsp.buf.range_code_action()<cr>')

  -- Diagnostics
  map('n', 'gl', '<cmd>lua vim.diagnostic.open_float()<cr>')
  map('n', '[d', '<cmd>lua vim.diagnostic.goto_prev()<cr>')
  map('n', ']d', '<cmd>lua vim.diagnostic.goto_next()<cr>')
end)

local lsp = require('lsp-zero')
lsp.preset('recommended')

lsp.on_attach(function(client, bufnr)
  local noremap = {buffer = bufnr, remap = false}
  local bind = vim.keymap.set

  bind('n', '<C-k>', '<C-w>k', noremap)
end)

lsp.setup()

local lsp = require('lsp-zero')
lsp.preset('recommended')

lsp.set_preferences({
  set_lsp_keymaps = false
})

lsp.on_attach(function(client, bufnr)
  local noremap = {buffer = bufnr, remap = false}
  local bind = vim.keymap.set

  -- use bind to make your own keymaps
end)

lsp.setup()