diff --git a/plugin/code_quality.lua b/plugin/code_quality.lua
deleted file mode 100644
index 66ec0df..0000000
--- a/plugin/code_quality.lua
+++ /dev/null
@@ -1,75 +0,0 @@
-add({
-    'mfussenegger/nvim-lint', -- linter
-    'rshkarin/mason-nvim-lint', -- linter installer
-    'stevearc/conform.nvim', -- autoformater
-    'szw/vim-maximizer',
-    'zapling/mason-conform.nvim', -- formatter installer
-})
-
--- linter
-require('lint').linters_by_ft = {
-    ['*'] = { 'codespell' },
-    ['javascript'] = { 'eslint_d', 'cspell' },
-    ['typescript'] = { 'eslint_d', 'cspell' },
-    ['javascriptreact'] = { 'eslint_d', 'cspell' },
-    ['typescriptreact'] = { 'eslint_d', 'cspell' },
-    ['dockerfile'] = { 'hadolint' },
-    ['markdown'] = { 'write_good', 'markdownlint' },
-    ['text'] = { 'write_good' },
-    ['sh'] = { 'shellcheck' },
-    ['yaml'] = { 'actionlint' },
-    ['python'] = { 'ruff' },
-}
-require('mason-nvim-lint').setup({
-    ensure_installed = require('extensions').linter,
-    automatic_installation = false,
-})
-
--- formatter
-require('conform').setup({
-    formatters = {
-        ['markdown-toc'] = {
-            condition = function(_, ctx)
-                for _, line in ipairs(vim.api.nvim_buf_get_lines(ctx.buf, 0, -1, false)) do
-                    if line:find('<!%-%-% toc %-%->') then
-                        return true
-                    end
-                end
-            end,
-        },
-    },
-    formatters_by_ft = {
-        ['lua'] = { 'stylua' },
-        ['c'] = { 'clang_format' },
-        ['cpp'] = { 'clang_format' },
-        ['h'] = { 'clang_format' },
-        ['python'] = { 'ruff_fix', 'ruff_format', 'ruff_organize_imports' },
-        ['javascript'] = { 'biome' },
-        ['typescript'] = { 'biome' },
-        ['typescriptreact'] = { 'biome' },
-        ['markdown'] = { 'prettier', 'markdownlint-cli2' },
-        ['markdown.mdx'] = { 'prettier', 'markdownlint-cli2' },
-        ['mdx'] = { 'prettier' },
-        ['_'] = { 'trim_whitespace' },
-    },
-    options = {
-        stop_after_first = true,
-    },
-    format_after_save = function(bufnr)
-        if not vim.b[bufnr].conform_disable then
-            return {
-                lsp_format = 'fallback',
-            }
-        end
-    end,
-})
-
-vim.keymap.set('n', '<leader>tf', function()
-    vim.b.conform_disable = not vim.b.conform_disable
-    local status = vim.b.conform_disable and 'disabled' or 'enabled'
-    vim.notify('Autoformat ' .. status, vim.log.levels.INFO)
-end, { desc = 'Toggle autoformat' })
-require('mason-conform').setup({
-    ensure_installed = require('extensions').formatter,
-    automatic_installation = true,
-})