diff --git a/nixos/modules/programs/environment.nix b/nixos/modules/programs/environment.nix
index 6dad0cc52454..324b19184747 100644
--- a/nixos/modules/programs/environment.nix
+++ b/nixos/modules/programs/environment.nix
@@ -37,8 +37,6 @@ in
     environment.profileRelativeSessionVariables =
       { PATH = [ "/bin" ];
         INFOPATH = [ "/info" "/share/info" ];
-        KDEDIRS = [ "" ];
-        QT_PLUGIN_PATH = [ "/lib/qt4/plugins" "/lib/kde4/plugins" ];
         QTWEBKIT_PLUGIN_PATH = [ "/lib/mozilla/plugins/" ];
         GTK_PATH = [ "/lib/gtk-2.0" "/lib/gtk-3.0" "/lib/gtk-4.0" ];
         XDG_CONFIG_DIRS = [ "/etc/xdg" ];