diff --git a/staging/src/k8s.io/apiserver/pkg/endpoints/handlers/fieldmanager/structuredmerge.go b/staging/src/k8s.io/apiserver/pkg/endpoints/handlers/fieldmanager/structuredmerge.go
index 216a39cf7a5..b801d3d4717 100644
--- a/staging/src/k8s.io/apiserver/pkg/endpoints/handlers/fieldmanager/structuredmerge.go
+++ b/staging/src/k8s.io/apiserver/pkg/endpoints/handlers/fieldmanager/structuredmerge.go
@@ -116,7 +116,7 @@ func (f *structuredMergeManager) Apply(liveObj, patchObj runtime.Object, managed
 		return nil, nil, fmt.Errorf("couldn't get accessor: %v", err)
 	}
 	if patchObjMeta.GetManagedFields() != nil {
-		return nil, nil, errors.NewBadRequest(fmt.Sprintf("metadata.managedFields must be nil"))
+		return nil, nil, errors.NewBadRequest("metadata.managedFields must be nil")
 	}
 
 	liveObjVersioned, err := f.toVersioned(liveObj)
diff --git a/staging/src/k8s.io/apiserver/pkg/storage/cacher/cacher_whitebox_test.go b/staging/src/k8s.io/apiserver/pkg/storage/cacher/cacher_whitebox_test.go
index e42c93b5b57..2908c25c0f5 100644
--- a/staging/src/k8s.io/apiserver/pkg/storage/cacher/cacher_whitebox_test.go
+++ b/staging/src/k8s.io/apiserver/pkg/storage/cacher/cacher_whitebox_test.go
@@ -877,7 +877,7 @@ func TestDispatchingBookmarkEventsWithConcurrentStop(t *testing.T) {
 	resourceVersion := uint64(1000)
 	err = cacher.watchCache.Add(&examplev1.Pod{
 		ObjectMeta: metav1.ObjectMeta{
-			Name:            fmt.Sprintf("pod-0"),
+			Name:            "pod-0",
 			Namespace:       "ns",
 			ResourceVersion: fmt.Sprintf("%v", resourceVersion),
 		}})