diff --git a/nixos/modules/installer/cd-dvd/installation-cd-graphical-gnome.nix b/nixos/modules/installer/cd-dvd/installation-cd-graphical-gnome.nix
index 84394a1ecae5..3707c4b7ec62 100644
--- a/nixos/modules/installer/cd-dvd/installation-cd-graphical-gnome.nix
+++ b/nixos/modules/installer/cd-dvd/installation-cd-graphical-gnome.nix
@@ -11,9 +11,6 @@ with lib;
 
   services.xserver.desktopManager.gnome3.enable = true;
 
-  # Wayland can be problematic for some hardware like Nvidia graphics cards.
-  services.xserver.displayManager.defaultSession = "gnome-xorg";
-
   services.xserver.displayManager.gdm = {
     enable = true;
     # autoSuspend makes the machine automatically suspend after inactivity.