diff --git a/cmd/integration/integration.go b/cmd/integration/integration.go
index 6fa38abc6b9..c79869c6427 100644
--- a/cmd/integration/integration.go
+++ b/cmd/integration/integration.go
@@ -37,7 +37,6 @@ import (
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
 	apierrors "github.com/GoogleCloudPlatform/kubernetes/pkg/api/errors"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/api/latest"
-	"github.com/GoogleCloudPlatform/kubernetes/pkg/api/testapi"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/apiserver"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/client"
 	nodeControllerPkg "github.com/GoogleCloudPlatform/kubernetes/pkg/cloudprovider/controller"
@@ -59,10 +58,13 @@ import (
 
 	"github.com/coreos/go-etcd/etcd"
 	"github.com/golang/glog"
+	"github.com/spf13/pflag"
 )
 
 var (
 	fakeDocker1, fakeDocker2 dockertools.FakeDockerClient
+	// API version that should be used by the client to talk to the server.
+	apiVersion string
 )
 
 type fakeKubeletClient struct{}
@@ -120,7 +122,7 @@ func (h *delegateHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
 	w.WriteHeader(http.StatusNotFound)
 }
 
-func startComponents(manifestURL string) (string, string) {
+func startComponents(manifestURL, apiVersion string) (string, string) {
 	// Setup
 	servers := []string{}
 	glog.Infof("Creating etcd client pointing to %v", servers)
@@ -154,7 +156,7 @@ func startComponents(manifestURL string) (string, string) {
 		glog.Fatalf("Failed to connect to etcd")
 	}
 
-	cl := client.NewOrDie(&client.Config{Host: apiServer.URL, Version: testapi.Version()})
+	cl := client.NewOrDie(&client.Config{Host: apiServer.URL, Version: apiVersion})
 
 	helper, err := master.NewEtcdHelper(etcdClient, "")
 	if err != nil {
@@ -178,7 +180,6 @@ func startComponents(manifestURL string) (string, string) {
 
 	// Create a master and install handlers into mux.
 	m := master.New(&master.Config{
-		Client:            cl,
 		EtcdHelper:        helper,
 		KubeletClient:     fakeKubeletClient{},
 		EnableLogsSupport: false,
@@ -191,6 +192,7 @@ func startComponents(manifestURL string) (string, string) {
 		PublicAddress:     publicAddress,
 		CacheTimeout:      2 * time.Second,
 		SyncPodStatus:     true,
+		EnableV1Beta3:     true,
 	})
 	handler.delegate = m.Handler
 
@@ -338,7 +340,8 @@ containers:
 }
 
 func runReplicationControllerTest(c *client.Client) {
-	data, err := ioutil.ReadFile("cmd/integration/controller.json")
+	clientAPIVersion := c.APIVersion()
+	data, err := ioutil.ReadFile("cmd/integration/" + clientAPIVersion + "-controller.json")
 	if err != nil {
 		glog.Fatalf("Unexpected error: %v", err)
 	}
@@ -373,55 +376,55 @@ func runReplicationControllerTest(c *client.Client) {
 
 func runAPIVersionsTest(c *client.Client) {
 	v, err := c.ServerAPIVersions()
+	clientVersion := c.APIVersion()
 	if err != nil {
 		glog.Fatalf("failed to get api versions: %v", err)
 	}
-	if e, a := []string{"v1beta1", "v1beta2"}, v.Versions; !reflect.DeepEqual(e, a) {
-		glog.Fatalf("Expected version list '%v', got '%v'", e, a)
+	// Verify that the server supports the API version used by the client.
+	for _, version := range v.Versions {
+		if version == clientVersion {
+			glog.Infof("Version test passed")
+			return
+		}
 	}
-	glog.Infof("Version test passed")
+	glog.Fatalf("Server does not support APIVersion used by client. Server supported APIVersions: '%v', client APIVersion: '%v'", v.Versions, clientVersion)
 }
 
 func runSelfLinkTestOnNamespace(c *client.Client, namespace string) {
-	var svc api.Service
-	err := c.Post().
-		NamespaceIfScoped(namespace, len(namespace) > 0).
-		Resource("services").Body(
-		&api.Service{
-			ObjectMeta: api.ObjectMeta{
-				Name:      "selflinktest",
-				Namespace: namespace,
-				Labels: map[string]string{
-					"name": "selflinktest",
-				},
-			},
-			Spec: api.ServiceSpec{
-				Port: 12345,
-				// This is here because validation requires it.
-				Selector: map[string]string{
-					"foo": "bar",
-				},
-				Protocol:        "TCP",
-				SessionAffinity: "None",
+	svcBody := api.Service{
+		ObjectMeta: api.ObjectMeta{
+			Name:      "selflinktest",
+			Namespace: namespace,
+			Labels: map[string]string{
+				"name": "selflinktest",
 			},
 		},
-	).Do().Into(&svc)
+		Spec: api.ServiceSpec{
+			Port: 12345,
+			// This is here because validation requires it.
+			Selector: map[string]string{
+				"foo": "bar",
+			},
+			Protocol:        "TCP",
+			SessionAffinity: "None",
+		},
+	}
+	services := c.Services(namespace)
+	svc, err := services.Create(&svcBody)
 	if err != nil {
 		glog.Fatalf("Failed creating selflinktest service: %v", err)
 	}
-	// TODO: this is not namespace aware
-	err = c.Get().RequestURI(svc.SelfLink).Do().Into(&svc)
+	err = c.Get().RequestURI(svc.SelfLink).Do().Into(svc)
 	if err != nil {
 		glog.Fatalf("Failed listing service with supplied self link '%v': %v", svc.SelfLink, err)
 	}
 
-	var svcList api.ServiceList
-	err = c.Get().NamespaceIfScoped(namespace, len(namespace) > 0).Resource("services").Do().Into(&svcList)
+	svcList, err := services.List(labels.Everything())
 	if err != nil {
 		glog.Fatalf("Failed listing services: %v", err)
 	}
 
-	err = c.Get().RequestURI(svcList.SelfLink).Do().Into(&svcList)
+	err = c.Get().RequestURI(svcList.SelfLink).Do().Into(svcList)
 	if err != nil {
 		glog.Fatalf("Failed listing services with supplied self link '%v': %v", svcList.SelfLink, err)
 	}
@@ -433,7 +436,7 @@ func runSelfLinkTestOnNamespace(c *client.Client, namespace string) {
 			continue
 		}
 		found = true
-		err = c.Get().RequestURI(item.SelfLink).Do().Into(&svc)
+		err = c.Get().RequestURI(item.SelfLink).Do().Into(svc)
 		if err != nil {
 			glog.Fatalf("Failed listing service with supplied self link '%v': %v", item.SelfLink, err)
 		}
@@ -448,29 +451,28 @@ func runSelfLinkTestOnNamespace(c *client.Client, namespace string) {
 }
 
 func runAtomicPutTest(c *client.Client) {
-	var svc api.Service
-	err := c.Post().Resource("services").Body(
-		&api.Service{
-			TypeMeta: api.TypeMeta{
-				APIVersion: latest.Version,
-			},
-			ObjectMeta: api.ObjectMeta{
-				Name: "atomicservice",
-				Labels: map[string]string{
-					"name": "atomicService",
-				},
-			},
-			Spec: api.ServiceSpec{
-				Port: 12345,
-				// This is here because validation requires it.
-				Selector: map[string]string{
-					"foo": "bar",
-				},
-				Protocol:        "TCP",
-				SessionAffinity: "None",
+	svcBody := api.Service{
+		TypeMeta: api.TypeMeta{
+			APIVersion: c.APIVersion(),
+		},
+		ObjectMeta: api.ObjectMeta{
+			Name: "atomicservice",
+			Labels: map[string]string{
+				"name": "atomicService",
 			},
 		},
-	).Do().Into(&svc)
+		Spec: api.ServiceSpec{
+			Port: 12345,
+			// This is here because validation requires it.
+			Selector: map[string]string{
+				"foo": "bar",
+			},
+			Protocol:        "TCP",
+			SessionAffinity: "None",
+		},
+	}
+	services := c.Services(api.NamespaceDefault)
+	svc, err := services.Create(&svcBody)
 	if err != nil {
 		glog.Fatalf("Failed creating atomicService: %v", err)
 	}
@@ -488,12 +490,7 @@ func runAtomicPutTest(c *client.Client) {
 		go func(l, v string) {
 			for {
 				glog.Infof("Starting to update (%s, %s)", l, v)
-				var tmpSvc api.Service
-				err := c.Get().
-					Resource("services").
-					Name(svc.Name).
-					Do().
-					Into(&tmpSvc)
+				tmpSvc, err := services.Get(svc.Name)
 				if err != nil {
 					glog.Errorf("Error getting atomicService: %v", err)
 					continue
@@ -504,7 +501,7 @@ func runAtomicPutTest(c *client.Client) {
 					tmpSvc.Spec.Selector[l] = v
 				}
 				glog.Infof("Posting update (%s, %s)", l, v)
-				err = c.Put().Resource("services").Name(svc.Name).Body(&tmpSvc).Do().Error()
+				tmpSvc, err = services.Update(tmpSvc)
 				if err != nil {
 					if apierrors.IsConflict(err) {
 						glog.Infof("Conflict: (%s, %s)", l, v)
@@ -521,7 +518,8 @@ func runAtomicPutTest(c *client.Client) {
 		}(label, value)
 	}
 	wg.Wait()
-	if err := c.Get().Resource("services").Name(svc.Name).Do().Into(&svc); err != nil {
+	svc, err = services.Get(svc.Name)
+	if err != nil {
 		glog.Fatalf("Failed getting atomicService after writers are complete: %v", err)
 	}
 	if !reflect.DeepEqual(testLabels, labels.Set(svc.Spec.Selector)) {
@@ -532,30 +530,28 @@ func runAtomicPutTest(c *client.Client) {
 
 func runPatchTest(c *client.Client) {
 	name := "patchservice"
-	resource := "services"
-	var svc api.Service
-	err := c.Post().Resource(resource).Body(
-		&api.Service{
-			TypeMeta: api.TypeMeta{
-				APIVersion: latest.Version,
-			},
-			ObjectMeta: api.ObjectMeta{
-				Name: name,
-				Labels: map[string]string{
-					"name": name,
-				},
-			},
-			Spec: api.ServiceSpec{
-				Port: 12345,
-				// This is here because validation requires it.
-				Selector: map[string]string{
-					"foo": "bar",
-				},
-				Protocol:        "TCP",
-				SessionAffinity: "None",
+	svcBody := api.Service{
+		TypeMeta: api.TypeMeta{
+			APIVersion: c.APIVersion(),
+		},
+		ObjectMeta: api.ObjectMeta{
+			Name: name,
+			Labels: map[string]string{
+				"name": name,
 			},
 		},
-	).Do().Into(&svc)
+		Spec: api.ServiceSpec{
+			Port: 12345,
+			// This is here because validation requires it.
+			Selector: map[string]string{
+				"foo": "bar",
+			},
+			Protocol:        "TCP",
+			SessionAffinity: "None",
+		},
+	}
+	services := c.Services(api.NamespaceDefault)
+	svc, err := services.Create(&svcBody)
 	if err != nil {
 		glog.Fatalf("Failed creating patchservice: %v", err)
 	}
@@ -564,12 +560,11 @@ func runPatchTest(c *client.Client) {
 	}
 
 	// add label
-	_, err = c.Patch().Resource(resource).Name(name).Body([]byte("{\"labels\":{\"foo\":\"bar\"}}")).Do().Get()
-	if err != nil {
+	svc.Labels["foo"] = "bar"
+	if _, err = services.Update(svc); err != nil {
 		glog.Fatalf("Failed updating patchservice: %v", err)
 	}
-	err = c.Get().Resource(resource).Name(name).Do().Into(&svc)
-	if err != nil {
+	if svc, err = services.Get(name); err != nil {
 		glog.Fatalf("Failed getting patchservice: %v", err)
 	}
 	if len(svc.Labels) != 2 || svc.Labels["foo"] != "bar" {
@@ -577,12 +572,11 @@ func runPatchTest(c *client.Client) {
 	}
 
 	// remove one label
-	_, err = c.Patch().Resource(resource).Name(name).Body([]byte("{\"labels\":{\"name\":null}}")).Do().Get()
-	if err != nil {
+	delete(svc.Labels, "name")
+	if _, err = services.Update(svc); err != nil {
 		glog.Fatalf("Failed updating patchservice: %v", err)
 	}
-	err = c.Get().Resource(resource).Name(name).Do().Into(&svc)
-	if err != nil {
+	if svc, err = services.Get(name); err != nil {
 		glog.Fatalf("Failed getting patchservice: %v", err)
 	}
 	if len(svc.Labels) != 1 || svc.Labels["foo"] != "bar" {
@@ -590,12 +584,11 @@ func runPatchTest(c *client.Client) {
 	}
 
 	// remove all labels
-	_, err = c.Patch().Resource(resource).Name(name).Body([]byte("{\"labels\":null}")).Do().Get()
-	if err != nil {
+	svc.Labels = nil
+	if _, err = services.Update(svc); err != nil {
 		glog.Fatalf("Failed updating patchservice: %v", err)
 	}
-	err = c.Get().Resource(resource).Name(name).Do().Into(&svc)
-	if err != nil {
+	if svc, err = services.Get(name); err != nil {
 		glog.Fatalf("Failed getting patchservice: %v", err)
 	}
 	if svc.Labels != nil {
@@ -607,12 +600,7 @@ func runPatchTest(c *client.Client) {
 
 func runMasterServiceTest(client *client.Client) {
 	time.Sleep(12 * time.Second)
-	var svcList api.ServiceList
-	err := client.Get().
-		Namespace("default").
-		Resource("services").
-		Do().
-		Into(&svcList)
+	svcList, err := client.Services(api.NamespaceDefault).List(labels.Everything())
 	if err != nil {
 		glog.Fatalf("unexpected error listing services: %v", err)
 	}
@@ -628,13 +616,7 @@ func runMasterServiceTest(client *client.Client) {
 		}
 	}
 	if foundRW {
-		var ep api.Endpoints
-		err := client.Get().
-			Namespace("default").
-			Resource("endpoints").
-			Name("kubernetes").
-			Do().
-			Into(&ep)
+		ep, err := client.Endpoints(api.NamespaceDefault).Get("kubernetes")
 		if err != nil {
 			glog.Fatalf("unexpected error listing endpoints for kubernetes service: %v", err)
 		}
@@ -645,13 +627,7 @@ func runMasterServiceTest(client *client.Client) {
 		glog.Errorf("no RW service found: %v", found)
 	}
 	if foundRO {
-		var ep api.Endpoints
-		err := client.Get().
-			Namespace("default").
-			Resource("endpoints").
-			Name("kubernetes-ro").
-			Do().
-			Into(&ep)
+		ep, err := client.Endpoints(api.NamespaceDefault).Get("kubernetes-ro")
 		if err != nil {
 			glog.Fatalf("unexpected error listing endpoints for kubernetes service: %v", err)
 		}
@@ -683,7 +659,7 @@ func runServiceTest(client *client.Client) {
 					Ports: []api.ContainerPort{
 						{ContainerPort: 1234},
 					},
-					ImagePullPolicy: "PullIfNotPresent",
+					ImagePullPolicy: api.PullIfNotPresent,
 				},
 			},
 			RestartPolicy: api.RestartPolicyAlways,
@@ -777,9 +753,15 @@ func runServiceTest(client *client.Client) {
 
 type testFunc func(*client.Client)
 
+func addFlags(fs *pflag.FlagSet) {
+	fs.StringVar(&apiVersion, "apiVersion", latest.Version, "API version that should be used by the client for communicating with the server")
+}
+
 func main() {
-	util.InitFlags()
 	runtime.GOMAXPROCS(runtime.NumCPU())
+	addFlags(pflag.CommandLine)
+
+	util.InitFlags()
 	util.ReallyCrash = true
 	util.InitLogs()
 	defer util.FlushLogs()
@@ -790,16 +772,17 @@ func main() {
 		glog.Fatalf("This test has timed out.")
 	}()
 
-	manifestURL := ServeCachedManifestFile()
+	glog.Infof("Running tests for APIVersion: %s", apiVersion)
 
-	apiServerURL, configFilePath := startComponents(manifestURL)
+	manifestURL := ServeCachedManifestFile()
+	apiServerURL, configFilePath := startComponents(manifestURL, apiVersion)
 
 	// Ok. we're good to go.
 	glog.Infof("API Server started on %s", apiServerURL)
 	// Wait for the synchronization threads to come up.
 	time.Sleep(time.Second * 10)
 
-	kubeClient := client.NewOrDie(&client.Config{Host: apiServerURL, Version: testapi.Version()})
+	kubeClient := client.NewOrDie(&client.Config{Host: apiServerURL, Version: apiVersion})
 
 	// Run tests in parallel
 	testFuncs := []testFunc{
@@ -810,13 +793,14 @@ func main() {
 		runAPIVersionsTest,
 		runMasterServiceTest,
 		func(c *client.Client) {
-			runSelfLinkTestOnNamespace(c, "")
+			runSelfLinkTestOnNamespace(c, api.NamespaceDefault)
 			runSelfLinkTestOnNamespace(c, "other")
 		},
 		func(c *client.Client) {
 			runStaticPodTest(c, configFilePath)
 		},
 	}
+
 	var wg sync.WaitGroup
 	wg.Add(len(testFuncs))
 	for i := range testFuncs {
diff --git a/cmd/integration/controller.json b/cmd/integration/v1beta1-controller.json
similarity index 100%
rename from cmd/integration/controller.json
rename to cmd/integration/v1beta1-controller.json
diff --git a/cmd/integration/v1beta3-controller.json b/cmd/integration/v1beta3-controller.json
new file mode 100644
index 00000000000..216ebc7ef72
--- /dev/null
+++ b/cmd/integration/v1beta3-controller.json
@@ -0,0 +1,24 @@
+{
+  "kind": "ReplicationController",
+  "apiVersion": "v1beta3",
+  "metadata": {
+     "name": "nginx-controller",
+     "labels": {"name": "nginx"}
+  },
+  "spec": {
+    "replicas": 2,
+    "selector": {"name": "nginx"},
+    "template": {
+       "metadata": {
+          "labels": {"name": "nginx"}
+       },
+       "spec": {
+           "containers": [{
+             "name": "nginx",
+             "image": "dockerfile/nginx",
+             "ports": [{"containerPort": 80}]
+           }]
+       }
+    }
+  }
+}
diff --git a/cmd/kube-apiserver/app/server.go b/cmd/kube-apiserver/app/server.go
index 4203e3d72e5..77d891f3a5b 100644
--- a/cmd/kube-apiserver/app/server.go
+++ b/cmd/kube-apiserver/app/server.go
@@ -229,7 +229,6 @@ func (s *APIServer) Run(_ []string) error {
 	admissionController := admission.NewFromPlugins(client, admissionControlPluginNames, s.AdmissionControlConfigFile)
 
 	config := &master.Config{
-		Client:                 client,
 		Cloud:                  cloud,
 		EtcdHelper:             helper,
 		EventTTL:               s.EventTTL,
diff --git a/cmd/kubernetes/kubernetes.go b/cmd/kubernetes/kubernetes.go
index 456ec4e080b..443c78a5300 100644
--- a/cmd/kubernetes/kubernetes.go
+++ b/cmd/kubernetes/kubernetes.go
@@ -76,7 +76,7 @@ func (h *delegateHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
 }
 
 // RunApiServer starts an API server in a go routine.
-func runApiServer(cl *client.Client, etcdClient tools.EtcdClient, addr net.IP, port int, masterServiceNamespace string) {
+func runApiServer(etcdClient tools.EtcdClient, addr net.IP, port int, masterServiceNamespace string) {
 	handler := delegateHandler{}
 
 	helper, err := master.NewEtcdHelper(etcdClient, "")
@@ -86,7 +86,6 @@ func runApiServer(cl *client.Client, etcdClient tools.EtcdClient, addr net.IP, p
 
 	// Create a master and install handlers into mux.
 	m := master.New(&master.Config{
-		Client:     cl,
 		EtcdHelper: helper,
 		KubeletClient: &client.HTTPKubeletClient{
 			Client: http.DefaultClient,
@@ -142,7 +141,7 @@ func runControllerManager(machineList []string, cl *client.Client, nodeMilliCPU,
 func startComponents(etcdClient tools.EtcdClient, cl *client.Client, addr net.IP, port int) {
 	machineList := []string{"localhost"}
 
-	runApiServer(cl, etcdClient, addr, port, *masterServiceNamespace)
+	runApiServer(etcdClient, addr, port, *masterServiceNamespace)
 	runScheduler(cl)
 	runControllerManager(machineList, cl, *nodeMilliCPU, *nodeMemory)
 
diff --git a/examples/examples_test.go b/examples/examples_test.go
index 43654175a9e..a672401da46 100644
--- a/examples/examples_test.go
+++ b/examples/examples_test.go
@@ -100,7 +100,8 @@ func TestExampleObjectSchemas(t *testing.T) {
 			"pod": &api.Pod{},
 		},
 		"../cmd/integration": {
-			"controller": &api.ReplicationController{},
+			"v1beta1-controller": &api.ReplicationController{},
+			"v1beta3-controller": &api.ReplicationController{},
 		},
 		"../examples/guestbook": {
 			"frontend-controller":     &api.ReplicationController{},
diff --git a/hack/test-integration.sh b/hack/test-integration.sh
index 395dc1a237e..a8cae2860b1 100755
--- a/hack/test-integration.sh
+++ b/hack/test-integration.sh
@@ -30,20 +30,25 @@ cleanup() {
   kube::log::status "Integration test cleanup complete"
 }
 
+runTests() {
+  kube::etcd::start
+
+  kube::log::status "Running integration test cases"
+  KUBE_GOFLAGS="-tags 'integration no-docker' " \
+    KUBE_RACE="-race" \
+    "${KUBE_ROOT}/hack/test-go.sh" test/integration
+
+  kube::log::status "Running integration test scenario"
+
+  "${KUBE_OUTPUT_HOSTBIN}/integration" --v=2 --apiVersion="$1"
+
+  cleanup
+}
+
 "${KUBE_ROOT}/hack/build-go.sh" "$@" cmd/integration
 
 # Run cleanup to stop etcd on interrupt or other kill signal.
 trap cleanup EXIT
 
-kube::etcd::start
-
-kube::log::status "Running integration test cases"
-KUBE_GOFLAGS="-tags 'integration no-docker' " \
-  KUBE_RACE="-race" \
-  "${KUBE_ROOT}/hack/test-go.sh" test/integration
-
-kube::log::status "Running integration test scenario"
-
-"${KUBE_OUTPUT_HOSTBIN}/integration" --v=2
-
-cleanup
+runTests "v1beta1"
+runTests "v1beta3"
diff --git a/pkg/client/request.go b/pkg/client/request.go
index 33421771c0c..5b94e979e2f 100644
--- a/pkg/client/request.go
+++ b/pkg/client/request.go
@@ -89,7 +89,7 @@ type Request struct {
 	baseURL *url.URL
 	codec   runtime.Codec
 
-	// If true, add "?namespace=<namespace>" as a query parameter, if false put ns/<namespace> in path
+	// If true, add "?namespace=<namespace>" as a query parameter, if false put namespaces/<namespace> in path
 	// Query parameter is considered legacy behavior
 	namespaceInQuery bool
 	// If true, lowercase resource prior to inserting into a path, if false, leave it as is. Preserving
diff --git a/pkg/client/services.go b/pkg/client/services.go
index 45e0012147b..e1b2054cf98 100644
--- a/pkg/client/services.go
+++ b/pkg/client/services.go
@@ -78,7 +78,13 @@ func (c *services) Get(name string) (result *api.Service, err error) {
 // Create creates a new service.
 func (c *services) Create(svc *api.Service) (result *api.Service, err error) {
 	result = &api.Service{}
-	err = c.r.Post().Namespace(c.ns).Resource("services").Body(svc).Do().Into(result)
+	// v1beta3 does not allow POST without a namespace.
+	needNamespace := !api.PreV1Beta3(c.r.APIVersion())
+	namespace := c.ns
+	if needNamespace && len(namespace) == 0 {
+		namespace = api.NamespaceDefault
+	}
+	err = c.r.Post().Namespace(namespace).Resource("services").Body(svc).Do().Into(result)
 	return
 }
 
@@ -89,12 +95,24 @@ func (c *services) Update(svc *api.Service) (result *api.Service, err error) {
 		err = fmt.Errorf("invalid update object, missing resource version: %v", svc)
 		return
 	}
-	err = c.r.Put().Namespace(c.ns).Resource("services").Name(svc.Name).Body(svc).Do().Into(result)
+	// v1beta3 does not allow PUT without a namespace.
+	needNamespace := !api.PreV1Beta3(c.r.APIVersion())
+	namespace := c.ns
+	if needNamespace && len(namespace) == 0 {
+		namespace = api.NamespaceDefault
+	}
+	err = c.r.Put().Namespace(namespace).Resource("services").Name(svc.Name).Body(svc).Do().Into(result)
 	return
 }
 
 // Delete deletes an existing service.
 func (c *services) Delete(name string) error {
+	// v1beta3 does not allow DELETE without a namespace.
+	needNamespace := !api.PreV1Beta3(c.r.APIVersion())
+	namespace := c.ns
+	if needNamespace && len(namespace) == 0 {
+		namespace = api.NamespaceDefault
+	}
 	return c.r.Delete().Namespace(c.ns).Resource("services").Name(name).Do().Error()
 }
 
diff --git a/pkg/master/master.go b/pkg/master/master.go
index 2097b53f9ee..e6b1bddc779 100644
--- a/pkg/master/master.go
+++ b/pkg/master/master.go
@@ -65,7 +65,6 @@ import (
 
 // Config is a structure used to configure a Master.
 type Config struct {
-	Client            *client.Client
 	Cloud             cloudprovider.Interface
 	EtcdHelper        tools.EtcdHelper
 	EventTTL          time.Duration
@@ -122,7 +121,6 @@ type Config struct {
 // Master contains state for a Kubernetes cluster master/api server.
 type Master struct {
 	// "Inputs", Copied from Config
-	client       *client.Client
 	portalNet    *net.IPNet
 	cacheTimeout time.Duration
 
@@ -262,7 +260,6 @@ func New(c *Config) *Master {
 	glog.V(4).Infof("Setting master service IPs based on PortalNet subnet to %q (read-only) and %q (read-write).", serviceReadOnlyIP, serviceReadWriteIP)
 
 	m := &Master{
-		client:                c.Client,
 		portalNet:             c.PortalNet,
 		rootWebService:        new(restful.WebService),
 		enableLogsSupport:     c.EnableLogsSupport,
diff --git a/plugin/pkg/scheduler/factory/factory.go b/plugin/pkg/scheduler/factory/factory.go
index 0d39b96ccfd..796327947ec 100644
--- a/plugin/pkg/scheduler/factory/factory.go
+++ b/plugin/pkg/scheduler/factory/factory.go
@@ -201,8 +201,7 @@ func (factory *ConfigFactory) createMinionLW() *cache.ListWatch {
 // Lists all minions and filter out unhealthy ones, then returns
 // an enumerator for cache.Poller.
 func (factory *ConfigFactory) pollMinions() (cache.Enumerator, error) {
-	allNodes := &api.NodeList{}
-	err := factory.Client.Get().Resource("minions").Do().Into(allNodes)
+	allNodes, err := factory.Client.Nodes().List()
 	if err != nil {
 		return nil, err
 	}
diff --git a/test/integration/auth_test.go b/test/integration/auth_test.go
index d67c79a841d..69fdfddb7e3 100644
--- a/test/integration/auth_test.go
+++ b/test/integration/auth_test.go
@@ -312,7 +312,6 @@ func TestAuthModeAlwaysAllow(t *testing.T) {
 	defer s.Close()
 
 	m = master.New(&master.Config{
-		Client:            client.NewOrDie(&client.Config{Host: s.URL}),
 		EtcdHelper:        helper,
 		KubeletClient:     client.FakeKubeletClient{},
 		EnableLogsSupport: false,
@@ -415,7 +414,6 @@ func TestAuthModeAlwaysDeny(t *testing.T) {
 	defer s.Close()
 
 	m = master.New(&master.Config{
-		Client:            client.NewOrDie(&client.Config{Host: s.URL}),
 		EtcdHelper:        helper,
 		KubeletClient:     client.FakeKubeletClient{},
 		EnableLogsSupport: false,
@@ -483,7 +481,6 @@ func TestAliceNotForbiddenOrUnauthorized(t *testing.T) {
 	defer s.Close()
 
 	m = master.New(&master.Config{
-		Client:            client.NewOrDie(&client.Config{Host: s.URL}),
 		EtcdHelper:        helper,
 		KubeletClient:     client.FakeKubeletClient{},
 		EnableLogsSupport: false,
@@ -569,7 +566,6 @@ func TestBobIsForbidden(t *testing.T) {
 	defer s.Close()
 
 	m = master.New(&master.Config{
-		Client:            client.NewOrDie(&client.Config{Host: s.URL}),
 		EtcdHelper:        helper,
 		KubeletClient:     client.FakeKubeletClient{},
 		EnableLogsSupport: false,
@@ -631,7 +627,6 @@ func TestUnknownUserIsUnauthorized(t *testing.T) {
 	defer s.Close()
 
 	m = master.New(&master.Config{
-		Client:            client.NewOrDie(&client.Config{Host: s.URL}),
 		EtcdHelper:        helper,
 		KubeletClient:     client.FakeKubeletClient{},
 		EnableLogsSupport: false,
@@ -712,7 +707,6 @@ func TestNamespaceAuthorization(t *testing.T) {
 	defer s.Close()
 
 	m = master.New(&master.Config{
-		Client:            client.NewOrDie(&client.Config{Host: s.URL}),
 		EtcdHelper:        helper,
 		KubeletClient:     client.FakeKubeletClient{},
 		EnableLogsSupport: false,
@@ -827,7 +821,6 @@ func TestKindAuthorization(t *testing.T) {
 	defer s.Close()
 
 	m = master.New(&master.Config{
-		Client:            client.NewOrDie(&client.Config{Host: s.URL}),
 		EtcdHelper:        helper,
 		KubeletClient:     client.FakeKubeletClient{},
 		EnableLogsSupport: false,
@@ -930,7 +923,6 @@ func TestReadOnlyAuthorization(t *testing.T) {
 	defer s.Close()
 
 	m = master.New(&master.Config{
-		Client:            client.NewOrDie(&client.Config{Host: s.URL}),
 		EtcdHelper:        helper,
 		KubeletClient:     client.FakeKubeletClient{},
 		EnableLogsSupport: false,
diff --git a/test/integration/client_test.go b/test/integration/client_test.go
index b628a32e340..3f5a372db61 100644
--- a/test/integration/client_test.go
+++ b/test/integration/client_test.go
@@ -50,7 +50,6 @@ func TestClient(t *testing.T) {
 	defer s.Close()
 
 	m = master.New(&master.Config{
-		Client:            client.NewOrDie(&client.Config{Host: s.URL}),
 		EtcdHelper:        helper,
 		KubeletClient:     client.FakeKubeletClient{},
 		EnableLogsSupport: false,