diff --git a/bin/efm-langserver b/bin/efm-langserver
deleted file mode 100755
index 45de7618..00000000
Binary files a/bin/efm-langserver and /dev/null differ
diff --git a/config/nvim/lua/config_plugins/config_lsp.lua b/config/nvim/lua/config_plugins/config_lsp.lua
index 98e3dc70..0725959d 100644
--- a/config/nvim/lua/config_plugins/config_lsp.lua
+++ b/config/nvim/lua/config_plugins/config_lsp.lua
@@ -4,6 +4,7 @@ null_ls.setup {
     sources = {
         null_ls.builtins.code_actions.gitsigns,
         null_ls.builtins.diagnostics.mypy,
+        null_ls.builtins.diagnostics.zsh,
         null_ls.builtins.formatting.black,
         null_ls.builtins.formatting.isort,
         null_ls.builtins.formatting.latexindent,
diff --git a/config/nvim/lua/plugins.lua b/config/nvim/lua/plugins.lua
index 7f6f7526..45da25ef 100644
--- a/config/nvim/lua/plugins.lua
+++ b/config/nvim/lua/plugins.lua
@@ -54,6 +54,16 @@ require('packer').startup {
                 require 'config_plugins.config_treesitter'
             end
         }
+        use {
+            "ThePrimeagen/refactoring.nvim",
+            requires = {
+                {"nvim-lua/plenary.nvim"},
+                {"nvim-treesitter/nvim-treesitter"}
+            },
+            config = function ()
+                require("refactoring").setup()
+            end
+        }
         use {
             'j-hui/fidget.nvim',
             config = function()