clean

pkg/kubelet/kuberuntime/instrumented_services_test.go

@@ -19,7 +19,6 @@ package kuberuntime
 import (
 	"net"
 	"net/http"
-	"sync"
 	"testing"
 	"time"
 
@@ -31,8 +30,6 @@ import (
 	"k8s.io/kubernetes/pkg/kubelet/metrics"
 )
 
-var registerMetrics sync.Once
-
 func TestRecordOperation(t *testing.T) {
 	// Use local registry
 	var registry = compbasemetrics.NewKubeRegistry()