diff --git a/src/emu/cpu/z80/tlcs_z80.c b/src/emu/cpu/z80/tlcs_z80.c
index d4423fe4c96..ca88b5d3f6a 100644
--- a/src/emu/cpu/z80/tlcs_z80.c
+++ b/src/emu/cpu/z80/tlcs_z80.c
@@ -49,6 +49,7 @@ static const z80sio_interface sio_intf =
 
 /* Daisy Chaining */
 
+#ifdef UNUSED
 static const z80_daisy_config tlcsz80_daisy_chain[] =
 {
 	{ TLCSZ80_INTERNAL_CTC_TAG },
@@ -56,6 +57,7 @@ static const z80_daisy_config tlcsz80_daisy_chain[] =
 	{ TLCSZ80_INTERNAL_SIO_TAG },
 	{ NULL }
 };
+#endif
 
 static ADDRESS_MAP_START( tlcs_z80_internal_io_map, AS_IO, 8, tlcs_z80_device )
 	AM_RANGE(0x10, 0x13) AM_DEVREADWRITE(TLCSZ80_INTERNAL_CTC_TAG, z80ctc_device, read, write)