diff --git a/nixos/modules/installer/cd-dvd/installation-cd-graphical-calamares-gnome.nix b/nixos/modules/installer/cd-dvd/installation-cd-graphical-calamares-gnome.nix
index 12feb2d96ecc..d1a4c27432c2 100644
--- a/nixos/modules/installer/cd-dvd/installation-cd-graphical-calamares-gnome.nix
+++ b/nixos/modules/installer/cd-dvd/installation-cd-graphical-calamares-gnome.nix
@@ -30,12 +30,6 @@
     enable = true;
   };
 
-  # Theme calamares with GNOME theme
-  qt = {
-    enable = true;
-    platformTheme = "gnome";
-  };
-
   # Fix scaling for calamares on wayland
   environment.variables = {
     QT_QPA_PLATFORM = "$([[ $XDG_SESSION_TYPE = \"wayland\" ]] && echo \"wayland\")";