diff --git a/pkgs/misc/emulators/retroarch/cores.nix b/pkgs/misc/emulators/retroarch/cores.nix
index 703248ad3f1e..ef9ce6c2250d 100644
--- a/pkgs/misc/emulators/retroarch/cores.nix
+++ b/pkgs/misc/emulators/retroarch/cores.nix
@@ -489,11 +489,6 @@ in
     description = "Port of MAME to libretro";
     license = with lib.licenses; [ bsd3 gpl2Plus ];
     extraBuildInputs = [ alsa-lib libGLU libGL portaudio python3 xorg.libX11 ];
-    postPatch = ''
-      # Prevent the failure during the parallel building of:
-      # make -C 3rdparty/genie/build/gmake.linux -f genie.make obj/Release/src/host/lua-5.3.0/src/lgc.o
-      mkdir -p 3rdparty/genie/build/gmake.linux/obj/Release/src/host/lua-5.3.0/src
-    '';
     makefile = "Makefile.libretro";
   };