diff --git a/.github/workflows/api_doc.yml b/.github/workflows/api_doc.yml
index 3a5897fb3f409..65d78cc3e7d98 100644
--- a/.github/workflows/api_doc.yml
+++ b/.github/workflows/api_doc.yml
@@ -6,6 +6,9 @@ on:
   push:
     branches:
       - "**"
+  schedule:
+    # Cron syntax: [minute hour day_of_the_month month day_of_the_week]
+    - cron: "0 2 * * 0,3" # Run every Sunday and Wednesday at 02:00
 
 jobs:
   deploy:
diff --git a/.github/workflows/build_farm.yml b/.github/workflows/build_farm.yml
deleted file mode 100644
index c2ee451fe683e..0000000000000
--- a/.github/workflows/build_farm.yml
+++ /dev/null
@@ -1,35 +0,0 @@
-# https://help.github.com/en/articles/workflow-syntax-for-github-actions
-
-name: Trigger Build Farm
-
-on:
-  push:
-    branches:
-      - dart8/main
-  schedule:
-    # Run at 09:00 UTC (02:00 PDT) everyday
-    - cron: "0 9 * * *"
-
-jobs:
-  build_farm_on_push:
-    if: github.event_name == 'push'
-    name: Trigger Build Farm
-    runs-on: ubuntu-latest
-    steps:
-      - name: Send request to dartsim/dart-build-farm to build a commit
-        run: |
-          curl -X POST https://api.github.com/repos/dartsim/dart-build-farm/dispatches \
-          -H 'Accept: application/vnd.github.everest-preview+json' \
-          -u ${{ secrets.ACCESS_TOKEN }} \
-          --data '{"event_type": "Build Commit", "client_payload": { "repository": "'"$GITHUB_REPOSITORY"'", "ref": "'"$GITHUB_REF"'" }}'
-  build_farm_on_schedule:
-    if: github.event_name == 'schedule'
-    name: Trigger Build Farm
-    runs-on: ubuntu-latest
-    steps:
-      - name: Send request to dartsim/dart-build-farm to build dart8/main
-        run: |
-          curl -X POST https://api.github.com/repos/dartsim/dart-build-farm/dispatches \
-          -H 'Accept: application/vnd.github.everest-preview+json' \
-          -u ${{ secrets.ACCESS_TOKEN }} \
-          --data '{"event_type": "Build Commit", "client_payload": { "repository": "'"$GITHUB_REPOSITORY"'", "ref": "dart7/main" }}'
diff --git a/.github/workflows/ci_macos.yml b/.github/workflows/ci_macos.yml
index 03a0735b9e158..76b9ec91ba72c 100644
--- a/.github/workflows/ci_macos.yml
+++ b/.github/workflows/ci_macos.yml
@@ -6,6 +6,9 @@ on:
   push:
     branches:
       - "**"
+  schedule:
+    # Cron syntax: [minute hour day_of_the_month month day_of_the_week]
+    - cron: "0 2 * * 0,3" # Run every Sunday and Wednesday at 02:00
 
 jobs:
   build:
diff --git a/.github/workflows/ci_ubuntu.yml b/.github/workflows/ci_ubuntu.yml
index 15cd36bf094ac..b0775017668ce 100644
--- a/.github/workflows/ci_ubuntu.yml
+++ b/.github/workflows/ci_ubuntu.yml
@@ -6,6 +6,9 @@ on:
   push:
     branches:
       - "**"
+  schedule:
+    # Cron syntax: [minute hour day_of_the_month month day_of_the_week]
+    - cron: "0 2 * * 0,3" # Run every Sunday and Wednesday at 02:00
 
 jobs:
   build:
diff --git a/.github/workflows/ci_windows.yml b/.github/workflows/ci_windows.yml
index eecc9ae6e0dab..60ded4b388599 100644
--- a/.github/workflows/ci_windows.yml
+++ b/.github/workflows/ci_windows.yml
@@ -6,6 +6,9 @@ on:
   push:
     branches:
       - "**"
+  schedule:
+    # Cron syntax: [minute hour day_of_the_month month day_of_the_week]
+    - cron: "0 2 * * 0,3" # Run every Sunday and Wednesday at 02:00
 
 jobs:
   build_2019: