diff --git a/projects/kde/shell.nix b/projects/kde/shell.nix
index 54b55fb..700ffd3 100644
--- a/projects/kde/shell.nix
+++ b/projects/kde/shell.nix
@@ -1,7 +1,7 @@
 with import <nixpkgs> {};
 
 # use new clang
-let myllvm = llvmPackages_17; in
+let myllvm = llvmPackages_19; in
 
 # clang based dev env
 myllvm.stdenv.mkDerivation {
@@ -31,7 +31,7 @@ export QT_QUICK_CONTROLS_STYLE_PATH=~/projects/kde/usr/lib/qml/QtQuick/Controls.
     bison
     boost
     bzip2
-    clang-tools_17
+    clang-tools_19
     cmake
     ctags
     curl
diff --git a/share/common.nix b/share/common.nix
index 80ef14e..a3214a8 100644
--- a/share/common.nix
+++ b/share/common.nix
@@ -239,7 +239,6 @@ in
   };
 
   # enable sound with PipeWire
-  hardware.pulseaudio.enable = false;
   services.pipewire = {
     enable = true;
     alsa = {
@@ -324,7 +323,7 @@ in
     go
     gorilla-bin
     gptfdisk
-    heaptrack
+    #heaptrack
     hotspot
     hugo
     hunspellDicts.de_DE
@@ -355,7 +354,6 @@ in
     mailutils
     mc
     micro
-    mplayer
     nixos-install-tools
     nmap
     nvme-cli
diff --git a/share/users.nix b/share/users.nix
index a887330..b2a4188 100644
--- a/share/users.nix
+++ b/share/users.nix
@@ -196,7 +196,7 @@ in
       # install 3d printing stuff
       home.packages = with pkgs; [
         bambu-studio
-        orca-slicer
+        #orca-slicer
       ];
     };
   };