diff --git a/pkgs/desktops/gnome-3/3.18/core/gdm/default.nix b/pkgs/desktops/gnome-3/3.18/core/gdm/default.nix
index 3728d914f21e..a13370e5c9a9 100644
--- a/pkgs/desktops/gnome-3/3.18/core/gdm/default.nix
+++ b/pkgs/desktops/gnome-3/3.18/core/gdm/default.nix
@@ -30,11 +30,6 @@ stdenv.mkDerivation rec {
   patches = [ ./xserver_path.patch ./sessions_dir.patch
               ./disable_x_access_control.patch ./no-dbus-launch.patch ];
 
-  postPatch = ''
-    substituteInPlace configure --replace 'libsystemd-login >= 186 libsystemd-daemon' 'libsystemd'
-    substituteInPlace configure --replace 'libsystemd-journal' 'libsystemd'
-  '';
-
   installFlags = [ "sysconfdir=$(out)/etc" "dbusconfdir=$(out)/etc/dbus-1/system.d" ];
 
   meta = with stdenv.lib; {