diff --git a/net/ipv4/ipvs/ip_vs_ctl.c b/net/ipv4/ipvs/ip_vs_ctl.c
index d1dbd8b311b79d409a1a13edaa8c96b31d2ad689..ede101eeec17d86b5bdc05903aecfed3e9ff3329 100644
--- a/net/ipv4/ipvs/ip_vs_ctl.c
+++ b/net/ipv4/ipvs/ip_vs_ctl.c
@@ -869,7 +869,8 @@ ip_vs_add_dest(struct ip_vs_service *svc, struct ip_vs_dest_user *udest)
 		svc->num_dests++;
 
 		/* call the update_service function of its scheduler */
-		svc->scheduler->update_service(svc);
+		if (svc->scheduler->update_service)
+			svc->scheduler->update_service(svc);
 
 		write_unlock_bh(&__ip_vs_svc_lock);
 		return 0;
@@ -899,7 +900,8 @@ ip_vs_add_dest(struct ip_vs_service *svc, struct ip_vs_dest_user *udest)
 	svc->num_dests++;
 
 	/* call the update_service function of its scheduler */
-	svc->scheduler->update_service(svc);
+	if (svc->scheduler->update_service)
+		svc->scheduler->update_service(svc);
 
 	write_unlock_bh(&__ip_vs_svc_lock);
 
@@ -949,7 +951,8 @@ ip_vs_edit_dest(struct ip_vs_service *svc, struct ip_vs_dest_user *udest)
 	IP_VS_WAIT_WHILE(atomic_read(&svc->usecnt) > 1);
 
 	/* call the update_service, because server weight may be changed */
-	svc->scheduler->update_service(svc);
+	if (svc->scheduler->update_service)
+		svc->scheduler->update_service(svc);
 
 	write_unlock_bh(&__ip_vs_svc_lock);
 
@@ -1012,12 +1015,12 @@ static void __ip_vs_unlink_dest(struct ip_vs_service *svc,
 	 */
 	list_del(&dest->n_list);
 	svc->num_dests--;
-	if (svcupd) {
-		/*
-		 *  Call the update_service function of its scheduler
-		 */
-		svc->scheduler->update_service(svc);
-	}
+
+	/*
+	 *  Call the update_service function of its scheduler
+	 */
+	if (svcupd && svc->scheduler->update_service)
+			svc->scheduler->update_service(svc);
 }
 
 
diff --git a/net/ipv4/ipvs/ip_vs_lblc.c b/net/ipv4/ipvs/ip_vs_lblc.c
index 7a6a319f544a0390b85f17a200d7360b429cc1c2..4a14d069f8abf05e0d5a9f004da18bbe16d2cd97 100644
--- a/net/ipv4/ipvs/ip_vs_lblc.c
+++ b/net/ipv4/ipvs/ip_vs_lblc.c
@@ -388,12 +388,6 @@ static int ip_vs_lblc_done_svc(struct ip_vs_service *svc)
 }
 
 
-static int ip_vs_lblc_update_svc(struct ip_vs_service *svc)
-{
-	return 0;
-}
-
-
 static inline struct ip_vs_dest *
 __ip_vs_wlc_schedule(struct ip_vs_service *svc, struct iphdr *iph)
 {
@@ -542,7 +536,6 @@ static struct ip_vs_scheduler ip_vs_lblc_scheduler =
 	.n_list =		LIST_HEAD_INIT(ip_vs_lblc_scheduler.n_list),
 	.init_service =		ip_vs_lblc_init_svc,
 	.done_service =		ip_vs_lblc_done_svc,
-	.update_service =	ip_vs_lblc_update_svc,
 	.schedule =		ip_vs_lblc_schedule,
 };
 
diff --git a/net/ipv4/ipvs/ip_vs_lblcr.c b/net/ipv4/ipvs/ip_vs_lblcr.c
index c234e73968a6314535e9e68a504069a422712327..46b870385b89d51fa853197f5632d1a0c294c701 100644
--- a/net/ipv4/ipvs/ip_vs_lblcr.c
+++ b/net/ipv4/ipvs/ip_vs_lblcr.c
@@ -572,12 +572,6 @@ static int ip_vs_lblcr_done_svc(struct ip_vs_service *svc)
 }
 
 
-static int ip_vs_lblcr_update_svc(struct ip_vs_service *svc)
-{
-	return 0;
-}
-
-
 static inline struct ip_vs_dest *
 __ip_vs_wlc_schedule(struct ip_vs_service *svc, struct iphdr *iph)
 {
@@ -731,7 +725,6 @@ static struct ip_vs_scheduler ip_vs_lblcr_scheduler =
 	.n_list =		LIST_HEAD_INIT(ip_vs_lblcr_scheduler.n_list),
 	.init_service =		ip_vs_lblcr_init_svc,
 	.done_service =		ip_vs_lblcr_done_svc,
-	.update_service =	ip_vs_lblcr_update_svc,
 	.schedule =		ip_vs_lblcr_schedule,
 };
 
diff --git a/net/ipv4/ipvs/ip_vs_lc.c b/net/ipv4/ipvs/ip_vs_lc.c
index ebcdbf75ac6583cd76312f307975c04de8409a34..2c3de1b635189274e4a132e2e3fe6074f0cdb825 100644
--- a/net/ipv4/ipvs/ip_vs_lc.c
+++ b/net/ipv4/ipvs/ip_vs_lc.c
@@ -20,24 +20,6 @@
 #include <net/ip_vs.h>
 
 
-static int ip_vs_lc_init_svc(struct ip_vs_service *svc)
-{
-	return 0;
-}
-
-
-static int ip_vs_lc_done_svc(struct ip_vs_service *svc)
-{
-	return 0;
-}
-
-
-static int ip_vs_lc_update_svc(struct ip_vs_service *svc)
-{
-	return 0;
-}
-
-
 static inline unsigned int
 ip_vs_lc_dest_overhead(struct ip_vs_dest *dest)
 {
@@ -99,9 +81,6 @@ static struct ip_vs_scheduler ip_vs_lc_scheduler = {
 	.refcnt =		ATOMIC_INIT(0),
 	.module =		THIS_MODULE,
 	.n_list =		LIST_HEAD_INIT(ip_vs_lc_scheduler.n_list),
-	.init_service =		ip_vs_lc_init_svc,
-	.done_service =		ip_vs_lc_done_svc,
-	.update_service =	ip_vs_lc_update_svc,
 	.schedule =		ip_vs_lc_schedule,
 };
 
diff --git a/net/ipv4/ipvs/ip_vs_nq.c b/net/ipv4/ipvs/ip_vs_nq.c
index 92f3a6770031ed8b05cf199a6e95ab0db287115d..5330d5a2de143a1d8be58af0fc1be37e6c1229a8 100644
--- a/net/ipv4/ipvs/ip_vs_nq.c
+++ b/net/ipv4/ipvs/ip_vs_nq.c
@@ -37,27 +37,6 @@
 #include <net/ip_vs.h>
 
 
-static int
-ip_vs_nq_init_svc(struct ip_vs_service *svc)
-{
-	return 0;
-}
-
-
-static int
-ip_vs_nq_done_svc(struct ip_vs_service *svc)
-{
-	return 0;
-}
-
-
-static int
-ip_vs_nq_update_svc(struct ip_vs_service *svc)
-{
-	return 0;
-}
-
-
 static inline unsigned int
 ip_vs_nq_dest_overhead(struct ip_vs_dest *dest)
 {
@@ -137,9 +116,6 @@ static struct ip_vs_scheduler ip_vs_nq_scheduler =
 	.refcnt =		ATOMIC_INIT(0),
 	.module =		THIS_MODULE,
 	.n_list =		LIST_HEAD_INIT(ip_vs_nq_scheduler.n_list),
-	.init_service =		ip_vs_nq_init_svc,
-	.done_service =		ip_vs_nq_done_svc,
-	.update_service =	ip_vs_nq_update_svc,
 	.schedule =		ip_vs_nq_schedule,
 };
 
diff --git a/net/ipv4/ipvs/ip_vs_rr.c b/net/ipv4/ipvs/ip_vs_rr.c
index 358110d17e5957dd871af44faa83cfe88bbc26b4..f749291175346e66eaf9adfcdc69f7a4a978bf54 100644
--- a/net/ipv4/ipvs/ip_vs_rr.c
+++ b/net/ipv4/ipvs/ip_vs_rr.c
@@ -32,12 +32,6 @@ static int ip_vs_rr_init_svc(struct ip_vs_service *svc)
 }
 
 
-static int ip_vs_rr_done_svc(struct ip_vs_service *svc)
-{
-	return 0;
-}
-
-
 static int ip_vs_rr_update_svc(struct ip_vs_service *svc)
 {
 	svc->sched_data = &svc->destinations;
@@ -96,7 +90,6 @@ static struct ip_vs_scheduler ip_vs_rr_scheduler = {
 	.module =		THIS_MODULE,
 	.n_list =		LIST_HEAD_INIT(ip_vs_rr_scheduler.n_list),
 	.init_service =		ip_vs_rr_init_svc,
-	.done_service =		ip_vs_rr_done_svc,
 	.update_service =	ip_vs_rr_update_svc,
 	.schedule =		ip_vs_rr_schedule,
 };
diff --git a/net/ipv4/ipvs/ip_vs_sed.c b/net/ipv4/ipvs/ip_vs_sed.c
index 77663d84cbd119e105a65e1981e0cb8e2f9c74c1..53f73bea66ced49e98d7590dc586423e3cb2b048 100644
--- a/net/ipv4/ipvs/ip_vs_sed.c
+++ b/net/ipv4/ipvs/ip_vs_sed.c
@@ -41,27 +41,6 @@
 #include <net/ip_vs.h>
 
 
-static int
-ip_vs_sed_init_svc(struct ip_vs_service *svc)
-{
-	return 0;
-}
-
-
-static int
-ip_vs_sed_done_svc(struct ip_vs_service *svc)
-{
-	return 0;
-}
-
-
-static int
-ip_vs_sed_update_svc(struct ip_vs_service *svc)
-{
-	return 0;
-}
-
-
 static inline unsigned int
 ip_vs_sed_dest_overhead(struct ip_vs_dest *dest)
 {
@@ -139,9 +118,6 @@ static struct ip_vs_scheduler ip_vs_sed_scheduler =
 	.refcnt =		ATOMIC_INIT(0),
 	.module =		THIS_MODULE,
 	.n_list =		LIST_HEAD_INIT(ip_vs_sed_scheduler.n_list),
-	.init_service =		ip_vs_sed_init_svc,
-	.done_service =		ip_vs_sed_done_svc,
-	.update_service =	ip_vs_sed_update_svc,
 	.schedule =		ip_vs_sed_schedule,
 };
 
diff --git a/net/ipv4/ipvs/ip_vs_wlc.c b/net/ipv4/ipvs/ip_vs_wlc.c
index 9b0ef86bb1f7b03501e8f4cbab5c0be44b2b22e5..df7ad8d74766fc679d63a42c0a0b76da31cba3dc 100644
--- a/net/ipv4/ipvs/ip_vs_wlc.c
+++ b/net/ipv4/ipvs/ip_vs_wlc.c
@@ -25,27 +25,6 @@
 #include <net/ip_vs.h>
 
 
-static int
-ip_vs_wlc_init_svc(struct ip_vs_service *svc)
-{
-	return 0;
-}
-
-
-static int
-ip_vs_wlc_done_svc(struct ip_vs_service *svc)
-{
-	return 0;
-}
-
-
-static int
-ip_vs_wlc_update_svc(struct ip_vs_service *svc)
-{
-	return 0;
-}
-
-
 static inline unsigned int
 ip_vs_wlc_dest_overhead(struct ip_vs_dest *dest)
 {
@@ -127,9 +106,6 @@ static struct ip_vs_scheduler ip_vs_wlc_scheduler =
 	.refcnt =		ATOMIC_INIT(0),
 	.module =		THIS_MODULE,
 	.n_list =		LIST_HEAD_INIT(ip_vs_wlc_scheduler.n_list),
-	.init_service =		ip_vs_wlc_init_svc,
-	.done_service =		ip_vs_wlc_done_svc,
-	.update_service =	ip_vs_wlc_update_svc,
 	.schedule =		ip_vs_wlc_schedule,
 };