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-rw-r--r--src/mame/drivers/maygay1b.cpp6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/mame/drivers/maygay1b.cpp b/src/mame/drivers/maygay1b.cpp
index 3824c92134f..8bb7ee3a12d 100644
--- a/src/mame/drivers/maygay1b.cpp
+++ b/src/mame/drivers/maygay1b.cpp
@@ -848,11 +848,13 @@ MACHINE_CONFIG_START(maygay1b_state::maygay_m1)
MCFG_DEFAULT_LAYOUT(layout_maygay1b)
MACHINE_CONFIG_END
-MACHINE_CONFIG_DERIVED(maygay1b_state::maygay_m1_no_oki, maygay_m1)
+MACHINE_CONFIG_START(maygay1b_state::maygay_m1_no_oki)
+ maygay_m1(config);
MCFG_DEVICE_REMOVE("msm6376")
MACHINE_CONFIG_END
-MACHINE_CONFIG_DERIVED(maygay1b_state::maygay_m1_nec, maygay_m1)
+MACHINE_CONFIG_START(maygay1b_state::maygay_m1_nec)
+ maygay_m1(config);
MCFG_CPU_MODIFY("maincpu")
MCFG_CPU_PROGRAM_MAP(m1_nec_memmap)