diff --git a/.github/workflows/check_milvus_proto.yml b/.github/workflows/check_milvus_proto.yml
index b12887b51..9ed5ff85b 100644
--- a/.github/workflows/check_milvus_proto.yml
+++ b/.github/workflows/check_milvus_proto.yml
@@ -3,7 +3,6 @@ name: Check proto on pull request
 on:
   pull_request:
     branches:
-      - master
       - 2.5
 
 jobs:
diff --git a/.github/workflows/code_checker.yml b/.github/workflows/code_checker.yml
index 2578d0459..3a537808e 100644
--- a/.github/workflows/code_checker.yml
+++ b/.github/workflows/code_checker.yml
@@ -3,7 +3,6 @@ name: Code checker on pull request
 on:
   pull_request:
     branches:
-      - master
       - 2.5
 
 jobs:
diff --git a/.github/workflows/doc_update_event.yml b/.github/workflows/doc_update_event.yml
deleted file mode 100644
index 015a28f1f..000000000
--- a/.github/workflows/doc_update_event.yml
+++ /dev/null
@@ -1,28 +0,0 @@
-name: web-content - Dispatch event after docs files updated
-
-on:
-  push:
-    branches-ignore:
-      - 'master'
-      - '1.*'
-    paths:
-      - 'docs/**'
-
-jobs:
-  dispatch_event:
-    name: Dispatch event
-    runs-on: ubuntu-latest
-    steps:
-      - id: extract_branch
-        name: Extract branch name
-        shell: bash
-        run: echo "##[set-output name=branch;]$(echo ${GITHUB_REF#refs/heads/})"
-      - id: dispatch_branch_name
-        name: Dispatch branch name if update any docs
-        run: |
-          curl \
-          -X POST \
-          -H "Accept: application/vnd.github.v3+json" \
-          "https://api.github.com/repos/milvus-io/web-content/actions/workflows/updateApiByBranchEvent.yml/dispatches" \
-          -d '{"ref":"master", "inputs": { "branchName": "${{ steps.extract_branch.outputs.branch }}", "repoName": "${{ github.event.repository.name }}" } }' \
-          -u ".:${{secrets.DOC_TOKEN}}"
\ No newline at end of file
diff --git a/.github/workflows/publish_dev_package.yml b/.github/workflows/publish_dev_package.yml
index 407607484..4fe35d00e 100644
--- a/.github/workflows/publish_dev_package.yml
+++ b/.github/workflows/publish_dev_package.yml
@@ -3,7 +3,6 @@ name: Publish Python 🐍 distributions 📦 to TestPyPI
 on:
   push:
     branches:
-      - 'master'
       - '2.5'
 
 jobs:
diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index adbc54353..07aadeff3 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -3,7 +3,6 @@ name: Test on pull request
 on:
   pull_request:
     branches:
-      - master
       - 2.5
 
 jobs:
diff --git a/.github/workflows/release_event.yml b/.github/workflows/release_event.yml
deleted file mode 100644
index 52732343c..000000000
--- a/.github/workflows/release_event.yml
+++ /dev/null
@@ -1,23 +0,0 @@
-name: web-content - Dispatch new release event
-on:
-  release:
-    types: [published]
-
-jobs:
-  dispatch:
-    name: Dispatch event
-    runs-on: ubuntu-latest
-    steps:
-      - name: Tag name
-        id: tag_name
-        run: |
-          echo ::set-output name=SOURCE_TAG::${GITHUB_REF#refs/tags/}
-      - name: Dispatch tag name
-        id: dispatch_tag_name
-        run: |
-          curl \
-          -X POST \
-          -H "Accept: application/vnd.github.v3+json" \
-          "https://api.github.com/repos/milvus-io/web-content/actions/workflows/updateApiReference.yml/dispatches" \
-          -d '{"ref":"master", "inputs": { "tagName": "${{ steps.tag_name.outputs.SOURCE_TAG }}", "repoName": "${{ github.event.repository.name }}" } }' \
-          -u ".:${{secrets.DOC_TOKEN}}"