diff --git a/nixos/modules/services/x11/desktop-managers/pantheon.nix b/nixos/modules/services/x11/desktop-managers/pantheon.nix
index 980a6b939d5..70911e02f7e 100644
--- a/nixos/modules/services/x11/desktop-managers/pantheon.nix
+++ b/nixos/modules/services/x11/desktop-managers/pantheon.nix
@@ -224,7 +224,6 @@ in
       programs.file-roller.package = pkgs.pantheon.file-roller;
 
       # Settings from elementary-default-settings
-      environment.sessionVariables.GTK_CSD = "1";
       environment.etc."gtk-3.0/settings.ini".source = "${pkgs.pantheon.elementary-default-settings}/etc/gtk-3.0/settings.ini";
 
       xdg.portal.extraPortals = with pkgs.pantheon; [