diff --git a/neovim/default.nix b/neovim/default.nix
index 126cdf7..c06ccb7 100644
--- a/neovim/default.nix
+++ b/neovim/default.nix
@@ -38,7 +38,6 @@
         nvim-treesitter-textobjects
         nvim-ts-context-commentstring
         markdown-preview-nvim # use({ "iamcco/markdown-preview.nvim", run = ":call mkdp#util#install()" })
-        render-markdown-nvim
         toggleterm-nvim
         nvim-notify
         comment-nvim
@@ -178,17 +177,7 @@
 
         require("local_firenvim")
 
-        require("CopilotChat").setup({
-          highlight_headers = false,
-          separator = "---",
-          error_header = "> [!ERROR] Error",
-          window = {
-            layout = "float",
-            width = 0.8,
-            height = 0.8,
-          },
-        })
-
+        require("CopilotChat").setup()
         require("diffview").setup({
           view = {
             merge_tool = {
@@ -197,10 +186,6 @@
             }
           }
         })
-
-        require("render-markdown").setup({
-          file_types = { "markdown", "vimwiki", "copilot-chat" },
-        })
       '';
     };
   };
diff --git a/neovim/keymaps.lua b/neovim/keymaps.lua
index 5ece7b2..2179b03 100644
--- a/neovim/keymaps.lua
+++ b/neovim/keymaps.lua
@@ -67,6 +67,3 @@ vim.cmd('nnoremap <expr> * v:hlsearch ? ":nohlsearch<cr>" : "*"')
 
 -- insert-map jj/jk to escape
 require("better_escape").setup()
-
--- open Copilot Chat window
-nnoremap("<leader>cc", ":lua require('CopilotChat').open()<CR>")