diff --git a/pkg/features/kube_features.go b/pkg/features/kube_features.go
index 32469b4c34f..12b0ddeee70 100644
--- a/pkg/features/kube_features.go
+++ b/pkg/features/kube_features.go
@@ -441,14 +441,6 @@ const (
 	// Enable Endpoint Slice consumption by kube-proxy in Windows for improved scalability.
 	WindowsEndpointSliceProxying featuregate.Feature = "WindowsEndpointSliceProxying"
 
-	// owner: @matthyx
-	// alpha: v1.16
-	// beta: v1.18
-	// GA: v1.20
-	//
-	// Enables the startupProbe in kubelet worker.
-	StartupProbe featuregate.Feature = "StartupProbe"
-
 	// owner: @deads2k
 	// beta: v1.17
 	// GA: v1.21
@@ -863,7 +855,6 @@ var defaultKubernetesFeatureGates = map[featuregate.Feature]featuregate.FeatureS
 	ProxyTerminatingEndpoints:                      {Default: false, PreRelease: featuregate.Alpha},
 	EndpointSliceNodeName:                          {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, //remove in 1.25
 	WindowsEndpointSliceProxying:                   {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.25
-	StartupProbe:                                   {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.23
 	AllowInsecureBackendProxy:                      {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.23
 	PodDisruptionBudget:                            {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.25
 	CronJobControllerV2:                            {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.23