diff --git a/docs/aliyun-tutorial.md b/docs/aliyun-tutorial.md
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-# Deploy on Aliyun (Alibaba Cloud)
-
-This document has been moved to [https://pingcap.com/docs/v3.0/tidb-in-kubernetes/deploy/alibaba-cloud/](https://pingcap.com/docs/v3.0/tidb-in-kubernetes/deploy/alibaba-cloud/).
diff --git a/docs/aws-eks-tutorial.md b/docs/aws-eks-tutorial.md
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-# Deploy TiDB, a distributed MySQL compatible database, on Kubernetes via AWS EKS
-
-This document has been moved to [https://pingcap.com/docs/v3.0/tidb-in-kubernetes/maintain/backup-and-restore/](https://pingcap.com/docs/v3.0/tidb-in-kubernetes/maintain/backup-and-restore/).
diff --git a/docs/backup-restore.md b/docs/backup-restore.md
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-# Backup and Restore a TiDB Cluster
-
-This document has been moved to [https://pingcap.com/docs/v3.0/tidb-in-kubernetes/maintain/backup-and-restore/](https://pingcap.com/docs/v3.0/tidb-in-kubernetes/maintain/backup-and-restore/).
diff --git a/docs/cli-manual.md b/docs/cli-manual.md
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-# The TiDB Kubernetes Control(tkctl) User Manual
-
-This document has been moved to [https://pingcap.com/docs/v3.0/tidb-in-kubernetes/reference/tools/tkctl/](https://pingcap.com/docs/v3.0/tidb-in-kubernetes/reference/tools/tkctl/).
diff --git a/docs/google-kubernetes-tutorial.md b/docs/google-kubernetes-tutorial.md
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-# Deploy TiDB, a distributed MySQL compatible database, to Kubernetes on Google Cloud
-
-This document has been moved to [https://pingcap.com/docs/v3.0/tidb-in-kubernetes/get-started/deploy-tidb-from-kubernetes-gke/](https://pingcap.com/docs/v3.0/tidb-in-kubernetes/get-started/deploy-tidb-from-kubernetes-gke/).
-
diff --git a/docs/minikube-tutorial.md b/docs/minikube-tutorial.md
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-# Deploy TiDB in the minikube cluster
-
-This document has been moved to [https://pingcap.com/docs/v3.0/tidb-in-kubernetes/get-started/deploy-tidb-from-kubernetes-minikube/](https://pingcap.com/docs/v3.0/tidb-in-kubernetes/get-started/deploy-tidb-from-kubernetes-minikube/).
diff --git a/docs/operation-guide.md b/docs/operation-guide.md
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-# TiDB Cluster Operation Guide
-
-This document has been moved to [https://pingcap.com/docs/v3.0/tidb-in-kubernetes/tidb-operator-overview/](https://pingcap.com/docs/v3.0/tidb-in-kubernetes/tidb-operator-overview/).
diff --git a/docs/references/tidb-backup-configuration.md b/docs/references/tidb-backup-configuration.md
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-# TiDB Backup Configuration Reference
-
-This document has been moved to [https://pingcap.com/docs/v3.0/tidb-in-kubernetes/reference/configuration/backup/](https://pingcap.com/docs/v3.0/tidb-in-kubernetes/reference/configuration/backup/).
diff --git a/docs/setup.md b/docs/setup.md
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-# TiDB Operator Setup
-
-This document has been moved to [https://pingcap.com/docs/v3.0/tidb-in-kubernetes/deploy/tidb-operator/](https://pingcap.com/docs/v3.0/tidb-in-kubernetes/deploy/tidb-operator/).
diff --git a/docs/troubleshooting.md b/docs/troubleshooting.md
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-# Troubleshooting
-
-This document has been moved to [https://pingcap.com/docs/v3.0/tidb-in-kubernetes/troubleshoot/](https://pingcap.com/docs/v3.0/tidb-in-kubernetes/troubleshoot/).
diff --git a/docs/user-guide.md b/docs/user-guide.md
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-# TiDB Operator User Guide
-
-This document has been moved to [https://pingcap.com/docs/v3.0/tidb-in-kubernetes/tidb-operator-overview/](https://pingcap.com/docs/v3.0/tidb-in-kubernetes/tidb-operator-overview/).