diff --git a/.github/workflows/explorer.yml b/.github/workflows/explorer.yml
index 7eeb08957a..4c55dffffe 100644
--- a/.github/workflows/explorer.yml
+++ b/.github/workflows/explorer.yml
@@ -1,10 +1,6 @@
-name: Explorer
+name: Explorer_build&test_on_PR
 on:
-  push:
-   branches: [master]
-   paths:
-      - 'explorer/**'
-  pull_request_target:
+  pull_request:
     branches:
      - master
     paths:
@@ -16,7 +12,6 @@ jobs:
     defaults:
       run:
         working-directory: explorer
-    if: github.event_name == 'pull_request_target' 
     steps:
       - uses: actions/checkout@v2
         with:
@@ -31,66 +26,3 @@ jobs:
       - run: npm run format
       - run: npm run build
       - run: npm run test
-      - uses: actions/checkout@v2
-      - uses: amondnet/vercel-action@v20
-        with:
-          vercel-token: ${{ secrets.VERCEL_TOKEN }} # Required
-          github-token: ${{ secrets.GITHUB_TOKEN }} #Optional 
-          vercel-org-id: ${{ secrets.ORG_ID}}  #Required
-          vercel-project-id: ${{ secrets.PROJECT_ID}} #Required 
-          working-directory: ./explorer
-          scope: ${{ secrets.TEAM_ID }} #added solana(vercel) as "TEAM_ID"
-  Testing_before_merging:
-    runs-on: ubuntu-latest
-    if: github.event_name == 'push'
-    defaults:
-      run:
-        working-directory: explorer
-    steps:
-      - uses: actions/checkout@v2
-        with:
-          ref: ${{ github.event.pull_request.head.sha }}
-      - uses: actions/setup-node@v2
-        with:
-          node-version: '14'
-          cache: 'npm'
-          cache-dependency-path: explorer/package-lock.json
-      - run: npm i -g npm@7
-      - run: npm ci
-      - run: npm run format
-      - run: npm run build
-      - run: npm run test
-          
-  production_deployment:
-   needs: Testing_before_merging
-   runs-on: ubuntu-latest
-   defaults:
-      run:
-        working-directory: explorer
-   if: github.event_name == 'push'
-   steps:
-      - uses: actions/checkout@v2
-        with:
-           ref: ${{ github.event.pull_request.head.sha }}
-      - uses: actions/setup-node@v2
-        with:
-          node-version: '14'
-          cache: 'npm'
-          cache-dependency-path: explorer/package-lock.json
-      - run: npm i -g npm@7
-      - run: npm ci
-      - run: npm run format
-      - run: npm run build
-      - run: npm run test
-      - uses: actions/checkout@v2
-        with:
-          ref: ${{ github.event.pull_request.head.sha }}
-      - uses: amondnet/vercel-action@v20
-        with:
-          vercel-token: ${{ secrets.VERCEL_TOKEN }} # Required
-          github-token: ${{ secrets.GITHUB_TOKEN }} #Optional 
-          vercel-args: '--prod' #for production
-          vercel-org-id: ${{ secrets.ORG_ID}}  #Required
-          vercel-project-id: ${{ secrets.PROJECT_ID}} #Required 
-          working-directory: ./explorer
-          scope: ${{ secrets.TEAM_ID }}