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-rw-r--r--src/mame/audio/williams.cpp6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/mame/audio/williams.cpp b/src/mame/audio/williams.cpp
index d2dda4bcaa3..636dc9b27f9 100644
--- a/src/mame/audio/williams.cpp
+++ b/src/mame/audio/williams.cpp
@@ -249,7 +249,7 @@ void williams_cvsd_sound_device::device_reset()
// device_timer - timer callbacks
//-------------------------------------------------
-void williams_cvsd_sound_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
+void williams_cvsd_sound_device::device_timer(emu_timer &timer, device_timer_id id, int param)
{
// process incoming data write
m_pia->portb_w(param & 0xff);
@@ -585,7 +585,7 @@ void williams_narc_sound_device::device_reset()
// device_timer - timer callbacks
//-------------------------------------------------
-void williams_narc_sound_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
+void williams_narc_sound_device::device_timer(emu_timer &timer, device_timer_id id, int param)
{
switch (id)
{
@@ -821,7 +821,7 @@ void williams_adpcm_sound_device::device_reset()
// device_timer - timer callbacks
//-------------------------------------------------
-void williams_adpcm_sound_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
+void williams_adpcm_sound_device::device_timer(emu_timer &timer, device_timer_id id, int param)
{
switch (id)
{