diff --git a/hw/audio/fmopl.c b/hw/audio/fmopl.c
index f91e700bf9..694a77b229 100644
--- a/hw/audio/fmopl.c
+++ b/hw/audio/fmopl.c
@@ -1141,11 +1141,7 @@ void OPLSetTimerHandler(FM_OPL *OPL,OPL_TIMERHANDLER TimerHandler,int channelOff
 	OPL->TimerHandler   = TimerHandler;
 	OPL->TimerParam = channelOffset;
 }
-void OPLSetUpdateHandler(FM_OPL *OPL,OPL_UPDATEHANDLER UpdateHandler,int param)
-{
-	OPL->UpdateHandler = UpdateHandler;
-	OPL->UpdateParam = param;
-}
+
 /* ---------- YM3812 I/O interface ---------- */
 int OPLWrite(FM_OPL *OPL,int a,int v)
 {
diff --git a/hw/audio/fmopl.h b/hw/audio/fmopl.h
index 375f971b4d..446de08d15 100644
--- a/hw/audio/fmopl.h
+++ b/hw/audio/fmopl.h
@@ -102,7 +102,6 @@ typedef struct fm_opl_f {
 FM_OPL *OPLCreate(int clock, int rate);
 void OPLDestroy(FM_OPL *OPL);
 void OPLSetTimerHandler(FM_OPL *OPL,OPL_TIMERHANDLER TimerHandler,int channelOffset);
-void OPLSetUpdateHandler(FM_OPL *OPL,OPL_UPDATEHANDLER UpdateHandler,int param);
 
 void OPLResetChip(FM_OPL *OPL);
 int OPLWrite(FM_OPL *OPL,int a,int v);