cleanup: remove deadcode

staging/src/k8s.io/apiserver/pkg/endpoints/installer.go

@@ -855,13 +855,6 @@ func appendIf(actions []action, a action, shouldAppend bool) []action {
 	return actions
 }
 
-// Wraps a http.Handler function inside a restful.RouteFunction
-func routeFunction(handler http.Handler) restful.RouteFunction {
-	return func(restReq *restful.Request, restResp *restful.Response) {
-		handler.ServeHTTP(restResp.ResponseWriter, restReq.Request)
-	}
-}
-
 func addParams(route *restful.RouteBuilder, params []*restful.Parameter) {
 	for _, param := range params {
 		route.Param(param)

staging/src/k8s.io/apiserver/pkg/storage/etcd/etcd_watcher.go

@@ -22,7 +22,6 @@ import (
 	"net/http"
 	"reflect"
 	"sync"
-	"time"
 
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime"
@@ -100,9 +99,6 @@ type etcdWatcher struct {
 	cache etcdCache
 }
 
-// watchWaitDuration is the amount of time to wait for an error from watch.
-const watchWaitDuration = 100 * time.Millisecond
-
 // newEtcdWatcher returns a new etcdWatcher; if list is true, watch sub-nodes.
 // The versioner must be able to handle the objects that transform creates.
 func newEtcdWatcher(list bool, quorum bool, include includeFunc, pred storage.SelectionPredicate,

staging/src/k8s.io/apiserver/pkg/storage/etcd3/store.go

@@ -73,11 +73,6 @@ type store struct {
 	leaseManager  *leaseManager
 }
 
-type elemForDecode struct {
-	data []byte
-	rev  uint64
-}
-
 type objState struct {
 	obj   runtime.Object
 	meta  *storage.ResponseMeta

staging/src/k8s.io/client-go/util/jsonpath/parser.go

@@ -94,7 +94,7 @@ func (p *Parser) consumeText() string {
 
 // next returns the next rune in the input.
 func (p *Parser) next() rune {
-	if int(p.pos) >= len(p.input) {
+	if p.pos >= len(p.input) {
 		p.width = 0
 		return eof
 	}
@@ -266,7 +266,7 @@ Loop:
 		}
 	}
 	text := p.consumeText()
-	text = string(text[1 : len(text)-1])
+	text = text[1 : len(text)-1]
 	if text == "*" {
 		text = ":"
 	}
@@ -373,7 +373,7 @@ Loop:
 	}
 	reg := regexp.MustCompile(`^([^!<>=]+)([!<>=]+)(.+?)$`)
 	text := p.consumeText()
-	text = string(text[:len(text)-2])
+	text = text[:len(text)-2]
 	value := reg.FindStringSubmatch(text)
 	if value == nil {
 		parser, err := parseAction("text", text)