diff --git a/config/neovim/lua/core/plugin_config/lsp_config.lua b/config/neovim/lua/core/plugin_config/lsp_config.lua
index 4086286d..b0a4b2c5 100644
--- a/config/neovim/lua/core/plugin_config/lsp_config.lua
+++ b/config/neovim/lua/core/plugin_config/lsp_config.lua
@@ -23,7 +23,6 @@ local capabilities = require("cmp_nvim_lsp").default_capabilities()
 mason_null_ls.setup({
 	ensure_installed = {
 		"stylua",
-		"csharpier",
 		"prettier",
 	},
 })
diff --git a/configuration.nix b/configuration.nix
index 34d8d779..bb3cca84 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -160,6 +160,7 @@
       rustup
       cargo
       nodejs
+      yarn
     ];
   };