diff --git a/pkg/kubelet/container/fake_runtime.go b/pkg/kubelet/container/fake_runtime.go
index 76c49b7e92c..e9ab0e882b9 100644
--- a/pkg/kubelet/container/fake_runtime.go
+++ b/pkg/kubelet/container/fake_runtime.go
@@ -128,7 +128,7 @@ func (f *FakeRuntime) GetPods(all bool) ([]*Pod, error) {
 	return f.Podlist, f.Err
 }
 
-func (f *FakeRuntime) RunPod(pod *api.Pod, volumeMap map[string]volume.Interface) error {
+func (f *FakeRuntime) RunPod(pod *api.Pod, volumeMap map[string]volume.VolumePlugin) error {
 	f.Lock()
 	defer f.Unlock()
 
@@ -152,7 +152,7 @@ func (f *FakeRuntime) KillPod(pod *api.Pod) error {
 	return f.Err
 }
 
-func (f *FakeRuntime) RunContainerInPod(container api.Container, pod *api.Pod, volumeMap map[string]volume.Interface) error {
+func (f *FakeRuntime) RunContainerInPod(container api.Container, pod *api.Pod, volumeMap map[string]volume.VolumePlugin) error {
 	f.Lock()
 	defer f.Unlock()
 
diff --git a/pkg/kubelet/container/runtime.go b/pkg/kubelet/container/runtime.go
index 15ddfa70fc8..657c05471e3 100644
--- a/pkg/kubelet/container/runtime.go
+++ b/pkg/kubelet/container/runtime.go
@@ -32,11 +32,11 @@ type Runtime interface {
 	// exited and dead containers (used for garbage collection).
 	GetPods(all bool) ([]*Pod, error)
 	// RunPod starts all the containers of a pod within a namespace.
-	RunPod(*api.Pod, map[string]volume.Interface) error
+	RunPod(*api.Pod, map[string]volume.VolumePlugin) error
 	// KillPod kills all the containers of a pod.
 	KillPod(*api.Pod) error
 	// RunContainerInPod starts a container within the same namespace of a pod.
-	RunContainerInPod(api.Container, *api.Pod, map[string]volume.Interface) error
+	RunContainerInPod(api.Container, *api.Pod, map[string]volume.VolumePlugin) error
 	// KillContainerInPod kills a container in the pod.
 	KillContainerInPod(api.Container, *api.Pod) error
 	// GetPodStatus retrieves the status of the pod, including the information of