diff --git a/lua/mappings.lua b/lua/mappings.lua
index 78672a1..ff48811 100644
--- a/lua/mappings.lua
+++ b/lua/mappings.lua
@@ -2,7 +2,6 @@
 vim.g.mapleader = " "
 
 -- Buffer functions
-vim.api.nvim_set_keymap("n", "<leader>bd", ":b#|bd#<CR>", { noremap = true, silent = true }) -- Close buffer
 vim.api.nvim_set_keymap("n", "<leader>bn", ":bn<CR>", { noremap = true, silent = true })     -- Next buffer
 vim.api.nvim_set_keymap("n", "<leader>bp", ":bp<CR>", { noremap = true, silent = true })     -- Previous buffer
 
@@ -43,36 +42,21 @@ vim.api.nvim_set_keymap("n", "<leader><TAB>n", ":tabnew<CR>", { noremap = true,
 -- Neogit
 vim.api.nvim_set_keymap("n", "<leader>gg", "<cmd>Neogit<CR>", { noremap = true, silent = true })
 
--- nvim-tree
-local function nvim_tree_attach(bufnr)
-  local api = require "nvim-tree.api"
-
-  local function opts(desc)
-    return { desc = "nvim-tree: " .. desc, buffer = bufnr, noremap = true, silent = true, nowait = true }
-  end
-
-  -- default mappings
-  api.config.mappings.default_on_attach(bufnr)
-
-  -- custom mappings
-  vim.keymap.set('n', '<C-t>', api.tree.change_root_to_parent, opts('Up'))
-  vim.keymap.set('n', '?', api.tree.toggle_help, opts('Help'))
-end
-
-vim.api.nvim_set_keymap("n", "<C-N>", ":NvimTreeToggle<CR>", { noremap = true, silent = true })
+-- Snacks
+vim.keymap.set('n', '<leader>bd', function() Snacks.bufdelete() end, { desc = "Close buffer" })
+vim.keymap.set('n', '<leader>.', function() Snacks.picker.files() end, { desc = "Fuzzy file picker" })
+vim.keymap.set('n', '<leader>,', function() Snacks.picker.buffers() end, { desc = "Buffer picker" })
+vim.keymap.set('n', '<leader>/', function() Snacks.picker.grep() end, { desc = "Grep" })
+vim.keymap.set('n', '<leader>\'', function() Snacks.picker.resume() end, { desc = "Resume last picker" })
+vim.keymap.set('n', '<C-n>', function() Snacks.explorer() end, { desc = "File explorer" })
+vim.keymap.set('n', '<leader>u', function() Snacks.picker.undo() end, { desc = "Undo history" })
+vim.keymap.set('n', '<leader>fr', function() Snacks.picker.recent() end, { desc = "Recent files" })
 
 -- telescope
-vim.api.nvim_set_keymap("n", "<leader>ff", "<cmd>Telescope find_files<CR>", { noremap = true, silent = true })
-vim.api.nvim_set_keymap("n", "<leader>.", "<cmd>Telescope find_files<CR>", { noremap = true, silent = true })
-vim.api.nvim_set_keymap("n", "<leader>fr", "<cmd>Telescope oldfiles<CR>", { noremap = true, silent = true })
 vim.api.nvim_set_keymap("n", "<leader>fg", "<cmd>Telescope git_files<CR>", { noremap = true, silent = true })
-vim.api.nvim_set_keymap("n", "<leader>f/", "<cmd>Telescope live_grep<CR>", { noremap = true, silent = true })
-vim.api.nvim_set_keymap("n", "<leader>fb", "<cmd>Telescope file_browser<CR>", { noremap = true, silent = true })
 vim.api.nvim_set_keymap("n", "<leader>fs", "<cmd>Telescope lsp_document_symbols<CR>", { noremap = true, silent = true })
 vim.api.nvim_set_keymap("n", "<leader>fe", "<cmd>Telescope lsp_references<CR>", { noremap = true, silent = true })
 vim.api.nvim_set_keymap("n", "<leader>fd", "<cmd>Telescope lsp_definitions<CR>", { noremap = true, silent = true })
-vim.api.nvim_set_keymap("n", "<leader>,", "<cmd>Telescope buffers<CR>", { noremap = true, silent = true })
-vim.api.nvim_set_keymap("n", "<leader>u", "<cmd>Telescope undo<CR>", { noremap = true, silent = true })
 
 -- LSP
 vim.keymap.set(
diff --git a/lua/plugin-mappings.lua b/lua/plugin-mappings.lua
index 533f8a7..84717d1 100644
--- a/lua/plugin-mappings.lua
+++ b/lua/plugin-mappings.lua
@@ -67,6 +67,3 @@ vim.keymap.set('v', '<A-k>', ':MoveBlock(-1)<CR>', opts)
 vim.keymap.set('v', '<A-h>', ':MoveHBlock(-1)<CR>', opts)
 vim.keymap.set('v', '<A-l>', ':MoveHBlock(1)<CR>', opts)
 
--- neotree
-vim.keymap.set('n', '<C-n>', ':Neotree toggle=true %:p:h:h %:p<CR>', { noremap = true, silent = true })
-
diff --git a/lua/plugin/file-manager-plugins.lua b/lua/plugin/file-manager-plugins.lua
index 95dcd82..fcf79da 100644
--- a/lua/plugin/file-manager-plugins.lua
+++ b/lua/plugin/file-manager-plugins.lua
@@ -27,14 +27,4 @@ return {
         cmd = 'FuzzyOil',
         opts = {},
     },
-    {
-        "nvim-neo-tree/neo-tree.nvim",
-        branch = "v3.x",
-        dependencies = {
-            "nvim-lua/plenary.nvim",
-            "nvim-tree/nvim-web-devicons", -- not strictly required, but recommended
-            "MunifTanjim/nui.nvim",
-            -- "3rd/image.nvim", -- Optional image support in preview window: See `# Preview Mode` for more information
-        }
-    },
 }
diff --git a/lua/plugins.lua b/lua/plugins.lua
index b24c82a..b83d38f 100644
--- a/lua/plugins.lua
+++ b/lua/plugins.lua
@@ -241,7 +241,7 @@ return {
                 providers_regex_syntax_denylist = {},
                 providers_regex_syntax_allowlist = {},
                 under_cursor = true,
-                large_file_cutoff = nil,
+                large_file_cutoff = 1000,
                 large_file_overrides = nil,
                 min_count_to_highlight = 1,
                 should_enable = function(bufnr) return true end,