diff --git a/mcastmngr/files/linux/lib/mcast/linux.sh b/mcastmngr/files/linux/lib/mcast/linux.sh
index 43b609a49..2724b9716 100755
--- a/mcastmngr/files/linux/lib/mcast/linux.sh
+++ b/mcastmngr/files/linux/lib/mcast/linux.sh
@@ -146,7 +146,6 @@ config_mcproxy_instance() {
 	# here instead of from inside network config
 	config_sysfs_mcast_snooping
 
-	[ -n "$max_groups" ] && echo -e "max_groups $max_groups;" >> $CONFFILE
 	[ -n "$robustness" ] && echo -e "rv $robustness;" >> $CONFFILE
 	[ -n "$query_interval" ] && echo -e "qi $query_interval;" >> $CONFFILE
 	[ -n "$q_resp_interval" ] && echo -e "qri $q_resp_interval;" >> $CONFFILE
@@ -230,11 +229,6 @@ config_sysfs_mcast_fastleave() {
 configure_mcast() {
 	config_global_params "set_max_groups_and_sources"
 
-	# mcproxy reserves two multicast subscriptions for igmp router service groups
-	local mg=$(cat /proc/sys/net/ipv4/igmp_max_memberships)
-	mg=$((mg+2))
-	echo $mg > /proc/sys/net/ipv4/igmp_max_memberships
-
 	read_mcast_snooping_params
 	read_mcast_proxy_params
 	config_mcproxy