diff --git a/hosts/hermes/configuration.nix b/hosts/hermes/configuration.nix
index 465b57c..1514688 100644
--- a/hosts/hermes/configuration.nix
+++ b/hosts/hermes/configuration.nix
@@ -197,8 +197,6 @@ in {
   # NVIDIA
   hardware.opengl = {
     enable = true;
-    driSupport = true;
-    driSupport32Bit = true;
   };
 
   services.xserver.videoDrivers = [ "nvidia" ];
diff --git a/users/ultra/configs/emacs/init.el b/users/ultra/configs/emacs/init.el
index 5883780..a94f571 100644
--- a/users/ultra/configs/emacs/init.el
+++ b/users/ultra/configs/emacs/init.el
@@ -112,5 +112,8 @@
 (with-eval-after-load 'org
   (require 'edraw-org)
   (edraw-org-setup-default))
-  
+
+(add-hook 'prog-mode-hook 'rainbow-delimiters-mode)
+
+(add-hook 'prog-mode-hoow 'rainbow-mode)
  
diff --git a/users/ultra/home.nix b/users/ultra/home.nix
index 9e4050e..5ca8e01 100644
--- a/users/ultra/home.nix
+++ b/users/ultra/home.nix
@@ -59,6 +59,8 @@ let
       el-easydraw
       # jabber
       geiser
+      rainbow-delimiters
+      rainbow-mode
     ];
   });
   helix = inputs.helix.packages.${pkgs.system}.default;