diff --git a/1.56.0.md b/1.56.0.md
index 3383911..ba8a64f 100644
--- a/1.56.0.md
+++ b/1.56.0.md
@@ -42,6 +42,5 @@
 - use TUN mode by default
 
 ### Kubernetes
-- support authenticating a tailnet user group using ACL grants from API server proxy
 - publish Tailscale Kubernetes operator Helm charts to `pkgs.tailscale.com/helmcharts` and `pkgs.tailscale.com/unstable/helmcharts`
 - add support in Kubernetes operator cluster egress for referring to a tailnet service by its MagicDNS name
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