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-rw-r--r--src/mame/drivers/madalien.cpp4
1 files changed, 1 insertions, 3 deletions
diff --git a/src/mame/drivers/madalien.cpp b/src/mame/drivers/madalien.cpp
index 9bc9700b42b..fd802f00054 100644
--- a/src/mame/drivers/madalien.cpp
+++ b/src/mame/drivers/madalien.cpp
@@ -177,9 +177,7 @@ MACHINE_CONFIG_START(madalien_state::madalien)
MCFG_SOUND_ROUTE(1, "discrete", 1.0, 1)
MCFG_SOUND_ROUTE(2, "discrete", 1.0, 2)
- MCFG_DEVICE_ADD("discrete", DISCRETE)
- MCFG_DISCRETE_INTF(madalien)
-
+ MCFG_DEVICE_ADD("discrete", DISCRETE, madalien_discrete)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MACHINE_CONFIG_END