diff --git a/cores/beetle-psx/Tuprules.tup b/cores/beetle-psx/Tuprules.tup
deleted file mode 100644
index 047cb3d..0000000
--- a/cores/beetle-psx/Tuprules.tup
+++ /dev/null
@@ -1,51 +0,0 @@
-CORE_PKGS += stdcxx libc libm
-NO_UNDEFINED =
-
-FRONTEND_SUPPORTS_RGB565 = 1
-HAVE_CHD = 1
-NEED_BPP = 16
-NEED_CD = 1
-NEED_DEINTERLACER = 1
-NEED_TREMOR = 1
-WANT_NEW_API = 1
-
-ifeq (@(TUP_ARCH),x86_64)
-	IS_X86 = 1
-endif
-
-CORE_DEFINE = -DWANT_PSX_EMU
-
-include upstream/Makefile.common
-
-DEFINES += $(FLAGS)
-
-DEFINES += \
-	$(ENDIANNESS_DEFINES) \
-	-DSIZEOF_DOUBLE=8 \
-	$(WARNINGS) \
-	-DMEDNAFEN_VERSION=\"0.9.38.6\" \
-	-DPACKAGE=\"mednafen\" \
-	-DMEDNAFEN_VERSION_NUMERIC=9386 \
-	-DPSS_STYLE=1 \
-	-DMPC_FIXED_POINT \
-	$(CORE_DEFINE) \
-	-DSTDC_HEADERS \
-	-D__STDC_LIMIT_MACROS \
-	-D__LIBRETRO__ \
-	-D_LOW_ACCURACY_ \
-	$(EXTRA_INCLUDES) \
-	$(SOUND_DEFINE) \
-	-D_FILE_OFFSET_BITS=64 \
-
-: foreach $(SOURCES_C) |> !libretro_cc |> {obj}
-: foreach $(SOURCES_CXX) |> !libretro_cxx |> {obj}
-: {obj} |> !libretro_core_link |> {core}
-: {core} |> !collect_bin |>
-: |> !bin |>
-
-PKG_DEPENDS += \
-	@(PUBLIC_SRC_STDCXX) \
-
-: |> !pkg |>
-
-: $(TUP_CWD)/pkg.dhall |> !index_pkg |>
diff --git a/cores/beetle-psx/pkg.dhall b/cores/beetle-psx/pkg.dhall
deleted file mode 100644
index 75f2c29..0000000
--- a/cores/beetle-psx/pkg.dhall
+++ /dev/null
@@ -1,17 +0,0 @@
-let Genode = env:DHALL_GENODE
-
-let XML = Genode.Prelude.XML
-
-let defaults = ./../../pkgJoypadDefaults.dhall
-
-in    defaults
-    ⫽ { indexInfo =
-          "PSX emulator"
-      , runtime =
-            defaults.runtime
-          ⫽ { resources =
-                { caps = 512, ram = Genode.units.MiB 128 }
-            , roms =
-                defaults.runtime.roms # [ "stdcxx.lib.so" ]
-            }
-      }
diff --git a/cores/beetle-psx/upstream b/cores/beetle-psx/upstream
deleted file mode 160000
index 7b584a4..0000000
--- a/cores/beetle-psx/upstream
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 7b584a4ce05968482a1e5e3719ba341807f42277