diff --git a/.gitea/workflows/build-image.yml b/.gitea/workflows/build-image.yml
index fa8ede2..5299d3f 100644
--- a/.gitea/workflows/build-image.yml
+++ b/.gitea/workflows/build-image.yml
@@ -8,11 +8,6 @@ jobs:
     steps:
       - name: Check out repository code
         uses: actions/checkout@v4
-      - name: Install system dependencies
-        run: |
-          # change mirror to kku.ac.th for faster package downloading
-          sudo sed -i 's@http://archive.ubuntu.com@http://mirror.kku.ac.th@g' /etc/apt/sources.list.d/ubuntu.sources
-          sudo apt update && sudo apt install nodejs npm curl -y
       - name: Build docker image
         run: |
           mv Dockerfile ../