diff --git a/home/config.nix b/home/config.nix
index 1dc6aa3..1430578 100644
--- a/home/config.nix
+++ b/home/config.nix
@@ -4,7 +4,6 @@ let
 in
   {
 
-    allowUnfree = true;
     firefox.enablePlasmaBrowserIntegration = true;
     clementine.spotify = false;
     vim =
diff --git a/home/home.nix b/home/home.nix
index da36baa..39989fc 100644
--- a/home/home.nix
+++ b/home/home.nix
@@ -8,6 +8,7 @@ let
   nur = import <NUR> { inherit pkgs; };
   myNur = nur.repos.schmittlauch;
   mybrowser = firefox;
+  newkde = import ~/src/newkdepkgs { };
 
   desktopApps = [
     mybrowser
@@ -36,10 +37,9 @@ let
     pdfpc
     quaternion
     nheko
-    spectral
     gpx-viewer
     gpxsee
-    cawbird
+    unstable.cawbird
     olifant
     subsurface
     yate
@@ -130,7 +130,7 @@ let
   ];
 
   kdeTools = with kdeApplications; [
-    okular
+    newkde.okular
     gwenview
     yakuake
     kmail
diff --git a/nixos/configuration.nix b/nixos/configuration.nix
index d0a105a..9447a13 100644
--- a/nixos/configuration.nix
+++ b/nixos/configuration.nix
@@ -23,6 +23,9 @@ in
   # try newer kernels
   #boot.kernelPackages = pkgs.linuxPackages_latest;
 
+  # use old kernel because 5.4 and 5.5 might be buggy with intel graphics
+  boot.kernelPackages = pkgs.linuxPackages_4_19;
+
   services.fstrim.enable = true;
   services.btrfs.autoScrub =
     {