diff --git a/roles/kubernetes/control-plane/defaults/main/kube-proxy.yml b/roles/kubernetes/control-plane/defaults/main/kube-proxy.yml
index 970f3f401..6c3b113a7 100644
--- a/roles/kubernetes/control-plane/defaults/main/kube-proxy.yml
+++ b/roles/kubernetes/control-plane/defaults/main/kube-proxy.yml
@@ -24,10 +24,6 @@ kube_proxy_client_qps: 5
 kube_proxy_config_sync_period: 15m0s
 
 ### Conntrack
-# max is the maximum number of NAT connections to track (0 to
-# leave as-is).  This takes precedence over maxPerCore and min.
-kube_proxy_conntrack_max: 'null'
-
 # maxPerCore is the maximum number of NAT connections to track
 # per CPU core (0 to leave the limit as-is and ignore min).
 kube_proxy_conntrack_max_per_core: 32768