- Removed feature gate `SetHostnameAsFQDN`. ([#108038](https://github.com/kubernetes/kubernetes/pull/108038), [@mengjiao-liu](https://github.com/mengjiao-liu))
- Removed kube-scheduler insecure flags. You can use `--bind-address` and `--secure-port` instead. ([#106865](https://github.com/kubernetes/kubernetes/pull/106865), [@jonyhy96](https://github.com/jonyhy96))

- Remove balanced attached node volumes feature. ([#102443](https://github.com/kubernetes/kubernetes/pull/102443), [@ravisantoshgudimetla](https://github.com/ravisantoshgudimetla))
- Remove deprecated `--generator` flag from `kubectl autoscale`. ([#99900](https://github.com/kubernetes/kubernetes/pull/99900), [@MadhavJivrajani](https://github.com/MadhavJivrajani))

 - Remove alpha `CSIMigrationXXComplete` flag and add alpha `InTreePluginXXUnregister` flag. Deprecate `CSIMigrationvSphereComplete` flag and it will be removed in v1.22. ([#98243](https://github.com/kubernetes/kubernetes/pull/98243), [@Jiawei0227](https://github.com/Jiawei0227))

- Feature-gate VolumeSubpath has been deprecated and cannot be disabled. It will be completely removed in 1.25 (#105474, @mauriciopoppe) [SIG Storage]
- Kubeadm: remove the deprecated / NO-OP phase "update-cluster-status" in "kubeadm reset" (#105888, @neolit123) [SIG Cluster Lifecycle]

- Remove GAed feature gate DelegateFSGroupToCSIDriver ([#117655](https://github.com/kubernetes/kubernetes/pull/117655), [@carlory](https://github.com/carlory)) [SIG Storage]
- Remove GAed feature gate DevicePlugins ([#117656](https://github.com/kubernetes/kubernetes/pull/117656), [@carlory](https://github.com/carlory)) [SIG Node]

- Remove GAed feature gates TopologyManager ([#121252](https://github.com/kubernetes/kubernetes/pull/121252), [@tukwila](https://github.com/tukwila)) [SIG Node]
- Removed the `CronJobTimeZone` feature gate (the feature is stable and always enabled)
  - Removed the `JobMutableNodeSchedulingDirectives` feature gate (the feature is stable and always enabled)

- Remove GA featuregate RemoveSelfLink ([#122468](https://github.com/kubernetes/kubernetes/pull/122468), [@carlory](https://github.com/carlory)) [SIG API Machinery]
- Remove GA featuregate about ExperimentalHostUserNamespaceDefaultingGate in 1.30 ([#122088](https://github.com/kubernetes/kubernetes/pull/122088), [@bzsuni](https://github.com/bzsuni)) [SIG Node]

### PodSecurityPolicy is Removed, Pod Security Admission graduates to Stable

- Remove `kubernetes.io/grpc` standard appProtocol ([#116866](https://github.com/kubernetes/kubernetes/pull/116866), [@LiorLieberman](https://github.com/LiorLieberman)) [SIG API Machinery and Apps]

* The following deprecated flags were removed from `kubelet`:

  * `api-servers` - add apiserver addresses to the kubeconfig file instead.

  Don't use these flags. Using deprecated flags causes the kubelet to print a warning. Using a removed flag causes the kubelet to abort the startup.