diff --git a/nix/home/xdg/xdg.nix b/nix/home/xdg/xdg.nix
index 881eb02..24b0e01 100644
--- a/nix/home/xdg/xdg.nix
+++ b/nix/home/xdg/xdg.nix
@@ -13,6 +13,13 @@
       "application/pdf"   = ["org.gnome.Evince.desktop"];
       "application/x-pdf" = ["org.gnome.Evince.desktop"];
 
+      # firefox
+      "text/html"                = ["firefox.desktop"];
+      "x-scheme-handler/http"    = ["firefox.desktop"];
+      "x-scheme-handler/https"   = ["firefox.desktop"];
+      "x-scheme-handler/about"   = ["firefox.desktop"];
+      "x-scheme-handler/unknown" = ["firefox.desktop"];
+
       # images
       "image/bmp"             = [ "org.gnome.Loupe.desktop" ];
       "image/gif"             = [ "org.gnome.Loupe.desktop" ];
diff --git a/nix/systems/desktop.nix b/nix/systems/desktop.nix
index bb30d1a..62a7940 100644
--- a/nix/systems/desktop.nix
+++ b/nix/systems/desktop.nix
@@ -13,16 +13,6 @@
     xdg-desktop-portal-wlr
   ];
 
-  # xdg mime
-  xdg.mime.enable = true;
-  xdg.mime.defaultApplications = {
-    "text/html"                = "firefox.desktop";
-    "x-scheme-handler/http"    = "firefox.desktop";
-    "x-scheme-handler/https"   = "firefox.desktop";
-    "x-scheme-handler/about"   = "firefox.desktop";
-    "x-scheme-handler/unknown" = "firefox.desktop";
-  };
-
   # gnome
   services.xserver.displayManager.gdm.enable   = true;
   services.xserver.desktopManager.gnome.enable = true;