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Diffstat (limited to 'src/mame/drivers/ultratnk.cpp')
-rw-r--r--src/mame/drivers/ultratnk.cpp3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/mame/drivers/ultratnk.cpp b/src/mame/drivers/ultratnk.cpp
index 27c4336d891..be8dc7afb54 100644
--- a/src/mame/drivers/ultratnk.cpp
+++ b/src/mame/drivers/ultratnk.cpp
@@ -320,8 +320,7 @@ MACHINE_CONFIG_START(ultratnk_state::ultratnk)
/* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono")
- MCFG_DEVICE_ADD("discrete", DISCRETE)
- MCFG_DISCRETE_INTF(ultratnk)
+ MCFG_DEVICE_ADD("discrete", DISCRETE, ultratnk_discrete)
MCFG_SOUND_ROUTE(0, "mono", 1.0)
MACHINE_CONFIG_END