diff --git a/drivers/isdn/hardware/mISDN/w6692.c b/drivers/isdn/hardware/mISDN/w6692.c
index d3f1077b709b..2952a58c7a61 100644
--- a/drivers/isdn/hardware/mISDN/w6692.c
+++ b/drivers/isdn/hardware/mISDN/w6692.c
@@ -529,6 +529,7 @@ W6692_fill_Bfifo(struct w6692_ch *wch)
 	}
 }
 
+#if 0
 static int
 setvolume(struct w6692_ch *wch, int mic, struct sk_buff *skb)
 {
@@ -571,6 +572,7 @@ enable_pots(struct w6692_ch *wch)
 	WriteW6692(card, W_PCTL, card->pctl);
 	return 0;
 }
+#endif
 
 static int
 disable_pots(struct w6692_ch *wch)