diff --git a/.github/workflows/qase-sync.yaml b/.github/workflows/qase-sync.yaml
index 8eba9580bf..f7e0221eab 100644
--- a/.github/workflows/qase-sync.yaml
+++ b/.github/workflows/qase-sync.yaml
@@ -101,13 +101,29 @@ jobs:
 
           for file_path in "${test_cases[@]}"; do
 
+            if [[ ! -e "${file_path}" ]]; then
+              echo "${file_path} has been deleted"
+              git checkout HEAD^ -- "${file_path}"
+              delete_test_case=true
+            fi
+
             title=$(grep '^title:' ${file_path} | sed 's/title: //g' | sed 's/"/\\"/g')
             echo "got test case title: ${title}"
             description=$(sed -z 's/\n/\\n/g' ${file_path} | sed 's/ \\/ \\\\/g' | sed 's/"/\\"/g')
             echo "got test case description: ${description}"
 
             res=$(curl -s --request GET --url "https://api.qase.io/v1/case/LH" --get --data-urlencode "search=${title}" --header "Token: ${token}" --header "accept: application/json")
-            if [[ $(echo $res | jq .result.count) -ne "0" ]]; then
+            if [[ $(echo $res | jq .result.count) -ne "0" ]] && [[ ${delete_test_case} ]]; then
+              # delete existing test case
+              test_case_id=$(echo $res | jq .result.entities[0].id)
+
+              res=$(curl --request DELETE -s \
+                         --url "https://api.qase.io/v1/case/LH/${test_case_id}" \
+                         --header "Token: ${token}" \
+                         --header "accept: application/json")
+
+              echo "deleted existing test case: ${res}"
+            elif [[ $(echo $res | jq .result.count) -ne "0" ]]; then
               # update existing test case
               test_case_id=$(echo $res | jq .result.entities[0].id)
 
diff --git a/docs/content/manual/pre-release/backup-and-restore/concurrent-backup.md b/docs/content/manual/pre-release/backup-and-restore/concurrent-backup.md
deleted file mode 100644
index ffcfc03237..0000000000
--- a/docs/content/manual/pre-release/backup-and-restore/concurrent-backup.md
+++ /dev/null
@@ -1,11 +0,0 @@
----
-title: "[#1341](https://github.com/longhorn/longhorn/issues/1341) concurrent backup test"
----
-- Take a manual backup of the volume `bak` while a recurring backup is running
-- verify that backup got created
-- verify that backup sticks around even when recurring backups are cleaned up 
-from-literal=AWS_SECRET_ACCESS_KEY=$AWS_KEY \
-AWS_SECRET_ACCESS_KEY_ID=$AWS_ID \
-END
-- verify that backup sticks around even when recurring backups are cleaned up
-OK
diff --git a/docs/content/manual/pre-release/cluster-restore/restore-to-a-new-cluster.md b/docs/content/manual/pre-release/cluster-restore/restore-to-a-new-cluster.md
index 963322c360..a3113c9fa7 100644
--- a/docs/content/manual/pre-release/cluster-restore/restore-to-a-new-cluster.md
+++ b/docs/content/manual/pre-release/cluster-restore/restore-to-a-new-cluster.md
@@ -3,7 +3,7 @@ title: Restore to a new cluster
 ---
 
 #### Back up the old cluster
-1. Deploy the 1st cluster then install Longhorn system and Velero.
+1. Deploy the 1st cluster then install Longhorn system and Velero.OKOK
 2. Deploy some workloads using Longhorn volumes then write some data:
    1. A simple pod using multiple volumes. And some volumes are using backing images.
    2. A StatefulSet.