diff --git a/pkg/kubelet/pod/mirror_client.go b/pkg/kubelet/pod/mirror_client.go
index b5f7490e59a..22ea62b1a31 100644
--- a/pkg/kubelet/pod/mirror_client.go
+++ b/pkg/kubelet/pod/mirror_client.go
@@ -153,12 +153,6 @@ func (mc *basicMirrorClient) getNodeUID() (types.UID, error) {
 	return node.UID, nil
 }
 
-// IsStaticPod returns true if the passed Pod is static.
-func IsStaticPod(pod *v1.Pod) bool {
-	source, err := kubetypes.GetPodSource(pod)
-	return err == nil && source != kubetypes.ApiserverSource
-}
-
 func getHashFromMirrorPod(pod *v1.Pod) (string, bool) {
 	hash, ok := pod.Annotations[kubetypes.ConfigMirrorAnnotationKey]
 	return hash, ok
diff --git a/pkg/kubelet/types/pod_update.go b/pkg/kubelet/types/pod_update.go
index 9420eef1eb3..d51d3fc963a 100644
--- a/pkg/kubelet/types/pod_update.go
+++ b/pkg/kubelet/types/pod_update.go
@@ -142,6 +142,9 @@ func (sp SyncPodType) String() string {
 
 // IsMirrorPod returns true if the passed Pod is a Mirror Pod.
 func IsMirrorPod(pod *v1.Pod) bool {
+	if pod.Annotations == nil {
+		return false
+	}
 	_, ok := pod.Annotations[ConfigMirrorAnnotationKey]
 	return ok
 }