diff --git a/openmptcprouter/files/etc/sysctl.d/default.conf b/openmptcprouter/files/etc/sysctl.d/default.conf
index 14be04753..a672d7ae8 100644
--- a/openmptcprouter/files/etc/sysctl.d/default.conf
+++ b/openmptcprouter/files/etc/sysctl.d/default.conf
@@ -3,5 +3,4 @@ net.netfilter.nf_conntrack_helper=1
 net.ipv4.tcp_slow_start_after_idle=30
 net.ipv4.tcp_no_metrics_save=1
 net.ipv4.tcp_fack=1
-net.ipv4.tcp_moderate_rcvbuf=0
 net.ipv4.tcp_retries2=3