diff --git a/drivers/dahdi/dahdi_dynamic.c b/drivers/dahdi/dahdi_dynamic.c
index c1bba4e..942329a 100644
--- a/drivers/dahdi/dahdi_dynamic.c
+++ b/drivers/dahdi/dahdi_dynamic.c
@@ -525,13 +525,13 @@ static int dahdi_dynamic_close(struct dahdi_chan *chan)
 	return 0;
 }
 
-static int dahdi_dynamic_sync_tick(struct dahdi_span *span, int is_master)
+static void dahdi_dynamic_sync_tick(struct dahdi_span *span, int is_master)
 {
 	struct dahdi_dynamic *head;
 	struct dahdi_dynamic *d = dynamic_from_span(span);
 
 	if (hasmaster)
-		return 0;
+		return;
 
 	rcu_read_lock();
 	head = list_entry(dspan_list.next, struct dahdi_dynamic, list);
@@ -539,7 +539,7 @@ static int dahdi_dynamic_sync_tick(struct dahdi_span *span, int is_master)
 
 	if (d == head)
 		dahdi_dynamic_run();
-	return 0;
+	return;
 }
 
 static const struct dahdi_span_ops dynamic_ops = {
diff --git a/drivers/dahdi/xpp/xbus-pcm.c b/drivers/dahdi/xpp/xbus-pcm.c
index cad61fb..ccd28ee 100644
--- a/drivers/dahdi/xpp/xbus-pcm.c
+++ b/drivers/dahdi/xpp/xbus-pcm.c
@@ -494,7 +494,7 @@ static void global_tick(void)
 }
 
 #ifdef	DAHDI_SYNC_TICK
-int dahdi_sync_tick(struct dahdi_span *span, int is_master)
+void dahdi_sync_tick(struct dahdi_span *span, int is_master)
 {
 	xpd_t		*xpd = container_of(span, struct xpd, span);
 	static int	redundant_ticks;	/* for extra spans */
@@ -536,9 +536,8 @@ int dahdi_sync_tick(struct dahdi_span *span, int is_master)
 	xpp_ticker_step(&dahdi_ticker, &now);
 	dahdi_tick_count++;
 	//flip_parport_bit(1);
-	return 0;
 noop:
-	return 0;	/* No auto sync from dahdi */
+	return;
 }
 #endif
 
diff --git a/drivers/dahdi/xpp/xbus-pcm.h b/drivers/dahdi/xpp/xbus-pcm.h
index 37a1ce4..de2a829 100644
--- a/drivers/dahdi/xpp/xbus-pcm.h
+++ b/drivers/dahdi/xpp/xbus-pcm.h
@@ -120,7 +120,7 @@ void		elect_syncer(const char *msg);
 int		exec_sync_command(const char *buf, size_t count);
 int		fill_sync_string(char *buf, size_t count);
 #ifdef	DAHDI_SYNC_TICK
-int		dahdi_sync_tick(struct dahdi_span *span, int is_master);
+void		dahdi_sync_tick(struct dahdi_span *span, int is_master);
 #endif
 
 #ifdef	DEBUG_PCMTX
diff --git a/include/dahdi/kernel.h b/include/dahdi/kernel.h
index a1424c4..b6864ee 100644
--- a/include/dahdi/kernel.h
+++ b/include/dahdi/kernel.h
@@ -793,7 +793,7 @@ struct dahdi_span_ops {
 #ifdef	DAHDI_SYNC_TICK
 	/*! Opt: send sync to spans. Called in hard_irq context with chan_lock
 	 *       held.*/
-	int (*sync_tick)(struct dahdi_span *span, int is_master);
+	void (*sync_tick)(struct dahdi_span *span, int is_master);
 #endif
 	/* ====  Channel Callback Operations ==== */
 	/*! Opt: Set signalling type (if appropriate) */