diff --git a/src/packages/fff/fff-network/files/etc/sysctl.d/50-fff-network.conf b/src/packages/fff/fff-network/files/etc/sysctl.d/50-fff-network.conf
index a1db54a..a33c212 100644
--- a/src/packages/fff/fff-network/files/etc/sysctl.d/50-fff-network.conf
+++ b/src/packages/fff/fff-network/files/etc/sysctl.d/50-fff-network.conf
@@ -6,11 +6,6 @@ net.ipv4.tcp_ecn=0
 net.ipv4.tcp_fin_timeout=30
 net.ipv4.tcp_keepalive_time=120
 net.ipv4.tcp_syncookies=1
-net.ipv4.netfilter.ip_conntrack_checksum=0
-net.ipv4.netfilter.ip_conntrack_max=16384
-net.ipv4.netfilter.ip_conntrack_tcp_timeout_established=3600
-net.ipv4.netfilter.ip_conntrack_udp_timeout=60
-net.ipv4.netfilter.ip_conntrack_udp_timeout_stream=180
 net.core.netdev_max_backlog=30
 net.netfilter.nf_conntrack_checksum=0