diff --git a/home/codium.nix b/home/codium.nix
index b35231a..2da9ffc 100644
--- a/home/codium.nix
+++ b/home/codium.nix
@@ -8,18 +8,15 @@
     mutableExtensionsDir = false;
     extensions =
       # if unfree
-      # (with pkgs.vscode-marketplace; [
-      (
-        with pkgs.open-vsx;
-        [
-          vscodevim.vim
-          jnoortheen.nix-ide
-          editorconfig.editorconfig
-          github.github-vscode-theme
-          rust-lang.rust-analyzer
-          shd101wyy.markdown-preview-enhanced
-        ]
-      );
+      # with pkgs.vscode-marketplace;
+      with pkgs.open-vsx; [
+        vscodevim.vim
+        jnoortheen.nix-ide
+        editorconfig.editorconfig
+        github.github-vscode-theme
+        rust-lang.rust-analyzer
+        shd101wyy.markdown-preview-enhanced
+      ];
     userSettings = {
       "workbench.colorTheme" = "GitHub Dark Default";
       "files.autoSave" = "afterDelay";
diff --git a/hosts/ytnix/default.nix b/hosts/ytnix/default.nix
index 524804d..a6bf18d 100644
--- a/hosts/ytnix/default.nix
+++ b/hosts/ytnix/default.nix
@@ -54,7 +54,7 @@
     };
     tmp.cleanOnBoot = true;
     # upgrade after https://github.com/tomaspinho/rtl8821ce/issues/356 is fixed
-    kernelPackages = pkgs.linuxKernel.packages.linux_6_12;
+    kernelPackages = pkgs.linuxKernel.packages.linux_zen;
     extraModulePackages = with config.boot.kernelPackages; [
       rtl8821ce
     ];
diff --git a/overlay/default.nix b/overlay/default.nix
index 5695d30..6d532cf 100644
--- a/overlay/default.nix
+++ b/overlay/default.nix
@@ -15,12 +15,12 @@ importedOverlays
       stable = inputs.nixpkgs-stable;
     in
     {
-      bitwarden-cli = pkgFrom stable "bitwarden-cli";
-      roundcube = pkgFrom stable "roundcube";
-      lldb = pkgFrom stable "lldb";
-      calibre = pkgFrom stable "calibre";
-      nil = inputs.nil.packages.${prev.system}.nil;
-      anki = pkgFrom inputs.anki "anki-bin";
+      # bitwarden-cli = pkgFrom stable "bitwarden-cli";
+      # roundcube = pkgFrom stable "roundcube";
+      # lldb = pkgFrom stable "lldb";
+      # calibre = pkgFrom stable "calibre";
+      # nil = inputs.nil.packages.${prev.system}.nil;
+      # anki = pkgFrom inputs.anki "anki-bin";
     }
   )
 ]