diff --git a/home.nix b/home.nix
index 3b11eab..3f6e609 100644
--- a/home.nix
+++ b/home.nix
@@ -78,7 +78,7 @@
       sqlite
       stylua
       stack
-      # sumneko-lua-language-server
+      sumneko-lua-language-server
       tealdeer
       tig
       tokei
@@ -270,19 +270,14 @@
       gforksync="git fetch upstream && git merge upstream/master && git push origin master";
       grep="grep --color=auto";
       new-sbt="sbt new scala/scala-seed.g8";
-      nixre="home-manager switch";
-      nixedit="home-manager edit";
+      nixre="nix build && sudo ./result/activate";
       nixinfo="nix-shell -p nix-info --run \"nix-info -m\"";
       nixgc="nix-collect-garbage -d";
       nixq="nix-env -qa";
-      nixupdate="nix-channel --update";
-      nixupgrade="nix upgrade-nix";
-      nixup="nix-env -u";
+      nixupdate="sudo nix-channel --update";
       nixversion="nix eval nixpkgs.lib.version";
-      nixdaemon="sudo launchctl load /Library/LaunchDaemons/org.nixos.nix-daemon.plist && launchctl start org.nixos.nix-daemon";
       rmxcodederived="rm -fr ~/Library/Developer/Xcode/DerivedData";
       v="nvim";
-      tabninecfg="vc /Users/salar/Library/Preferences/TabNine/TabNine.toml";
       sshfre1="ssh salar@fre1.softinio.net";
       sshfre2="ssh -p 2022 salar@fre2.softinio.net";
     };
diff --git a/programs/neovim/init.lua b/programs/neovim/init.lua
index 64edf1c..5d77265 100644
--- a/programs/neovim/init.lua
+++ b/programs/neovim/init.lua
@@ -7,7 +7,7 @@ local function load_plugins()
   require('packer').startup(function()
     use 'wbthomason/packer.nvim' -- Package manager
     use 'neovim/nvim-lspconfig' -- Collection of configurations for built-in LSP client
-    use 'nvim-treesitter/nvim-treesitter'
+    use { 'nvim-treesitter/nvim-treesitter', run = ':TSUpdate' }
     use 'nvim-treesitter/nvim-treesitter-textobjects'
     use 'nvim-treesitter/playground'
     use 'folke/which-key.nvim'
@@ -135,7 +135,7 @@ _G.load_config = function()
       use_virtual_text = true,
       lint_events = { 'BufWrite', 'CursorHold' },
     },
-    ensure_installed = 'maintained',
+    -- ensure_installed = 'maintained',
     highlight = { enable = true },
     incremental_selection = {
       enable = true,
@@ -206,6 +206,17 @@ _G.load_config = function()
       max_file_lines = 1000,
     },
   }
+  -- vim.opt.foldmethod     = 'expr'
+  -- vim.opt.foldexpr       = 'nvim_treesitter#foldexpr()'
+  ---WORKAROUND
+  vim.api.nvim_create_autocmd({'BufEnter','BufAdd','BufNew','BufNewFile','BufWinEnter'}, {
+    group = vim.api.nvim_create_augroup('TS_FOLD_WORKAROUND', {}),
+    callback = function()
+      vim.opt.foldmethod     = 'expr'
+      vim.opt.foldexpr       = 'nvim_treesitter#foldexpr()'
+    end
+  })
+  ---ENDWORKAROUND
 
   -- neogit
   require('neogit').setup {