diff --git a/nix/configuration/hosts/quark/default.nix b/nix/configuration/hosts/quark/default.nix
index fb27f79..ab04ea6 100644
--- a/nix/configuration/hosts/quark/default.nix
+++ b/nix/configuration/hosts/quark/default.nix
@@ -26,7 +26,7 @@
 
     me.optimizations = {
       enable = true;
-      arch = "znver5";
+      arch = "znver4";
       system_features = [
         "gccarch-znver4"
         "gccarch-znver5"
diff --git a/nix/configuration/roles/gpg/files/scdaemon.conf b/nix/configuration/roles/gpg/files/scdaemon.conf
index e0bfda2..b273850 100644
--- a/nix/configuration/roles/gpg/files/scdaemon.conf
+++ b/nix/configuration/roles/gpg/files/scdaemon.conf
@@ -1,6 +1,8 @@
 #reader-port Yubico Yubi
 disable-ccid
-pcsc-shared
+
+# This setting enables other backends like oct to access the pgp card simultaneously but it also means that gpg will ask for the pin for EVERY ssh session which is annoying in scripts.
+#pcsc-shared
 
 #log-file /home/talexander/scd.log
 #verbose
diff --git a/nix/configuration/roles/optimized_build/default.nix b/nix/configuration/roles/optimized_build/default.nix
index 0158945..8768e83 100644
--- a/nix/configuration/roles/optimized_build/default.nix
+++ b/nix/configuration/roles/optimized_build/default.nix
@@ -97,64 +97,9 @@
                 } prev.linux_6_16;
               }
             )
-            (final: prev: {
-              haskellPackages = prev.haskellPackages.extend (
-                final': prev': {
-                  inherit (pkgs-unoptimized.haskellPackages)
-                    crypto-token
-                    crypton
-                    crypton-connection
-                    crypton-x509
-                    crypton-x509-store
-                    crypton-x509-system
-                    crypton-x509-validation
-                    hspec-wai
-                    http-client-tls
-                    http2
-                    pandoc
-                    pandoc-cli
-                    pandoc-lua-engine
-                    pandoc-server
-                    servant-server
-                    tls
-                    tls-session-manager
-                    wai-app-static
-                    wai-extra
-                    warp
-                    warp-tls
-                    ;
-                }
-              );
-            })
-            # (final: prev: {
-            #   python = prev.python.override {
-            #     packageOverrides = python-final: python-prev: {
-            #       inherit (pkgs-unoptimized.pythonPackages) coverage;
-            #     };
-            #   };
-            # })
-            # (final: prev: {
-            #   pythonPackagesOverlays = prev.pythonPackagesOverlays.extend (
-            #     final': prev': {
-            #       inherit (pkgs-unoptimized.pythonPackagesOverlays)
-            #         coverage
-            #         ;
-            #     }
-            #   );
-            # })
-            # (final: prev: {
-            #   pythonPackagesExtensions = prev.pythonPackagesExtensions ++ [
-            #     (python-final: python-prev: {
-            #       inherit (pkgs-unoptimized.pythonPackages) coverage;
-            #     })
-            #   ];
-            # })
             (final: prev: {
               inherit (pkgs-unoptimized)
                 gsl
-                redis
-                valkey
-                nix-serve-ng
                 rapidjson
                 assimp
                 ;