diff --git a/configuration.nix b/configuration.nix
index 127e575..6affd41 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -83,7 +83,6 @@ in
 
   programs.dconf.enable = true;
   programs.xwayland.enable = true;
-  xdg.portal.enable = true;
 
   # exclude packages from plasma5
   environment.plasma5.excludePackages = with pkgs.libsForQt5; [
@@ -147,8 +146,6 @@ in
   # Enable touchpad support (enabled default in most desktopManager).
   # services.xserver.libinput.enable = true;
 
-  programs.java.enable = true;
-
   # List packages installed in system profile. To search, run:
   # $ nix search wget
   environment.systemPackages = (with pkgs; [
@@ -218,8 +215,6 @@ in
   # networking.firewall.enable = false;
 
   environment.sessionVariables = rec {
-    _JAVA_OPTIONS = "-Dawt.useSystemAAFontSettings=lcd";
-
     # rust
     CARGO_TERM_COLOR = "always";
     RUST_BACKTRACE = "1";
diff --git a/core/default.nix b/core/default.nix
index 06df6f2..ca99987 100644
--- a/core/default.nix
+++ b/core/default.nix
@@ -3,5 +3,6 @@
         ./java.nix
         ./dotnet.nix
         ./printing.nix
+        ./xdg.nix
     ];
 }
diff --git a/core/xdg.nix b/core/xdg.nix
new file mode 100644
index 0000000..89f14b8
--- /dev/null
+++ b/core/xdg.nix
@@ -0,0 +1,15 @@
+{ pkgs, config, ... }: {
+
+    xdg.portal = {
+        enable = true;
+        extraPortals = [
+            pkgs.xdg-desktop-portal-gtk
+            pkgs.xdg-desktop-portal-kde
+        ];
+    };
+
+    environment.systemPackages = with pkgs; [
+        pkgs.xdg-desktop-portal-gtk
+        pkgs.xdg-desktop-portal-kde
+    ];
+}