diff --git a/staging/src/k8s.io/component-base/metrics/prometheus/slis/metrics.go b/staging/src/k8s.io/component-base/metrics/prometheus/slis/metrics.go
index 3d464d12d75..d3dc546c754 100644
--- a/staging/src/k8s.io/component-base/metrics/prometheus/slis/metrics.go
+++ b/staging/src/k8s.io/component-base/metrics/prometheus/slis/metrics.go
@@ -28,8 +28,6 @@ const (
 	Error   HealthcheckStatus = "error"
 )
 
-type HealthcheckType string
-
 var (
 	// healthcheck is a Prometheus Gauge metrics used for recording the results of a k8s healthcheck.
 	healthcheck = k8smetrics.NewGaugeVec(