diff --git a/.github/workflows/repository-checkout-ci.yml b/.github/workflows/repository-checkout-ci.yml
new file mode 100644
index 00000000..e8615624
--- /dev/null
+++ b/.github/workflows/repository-checkout-ci.yml
@@ -0,0 +1,19 @@
+name: Repository Checkout CI
+
+on:
+  pull_request:
+    paths:
+      - 'GemReward-Service-Repo'
+      - '.gitmodules'
+      - '.github/workflows/repository-checkout-ci.yml'
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  checkout:
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+    steps:
+      - uses: actions/checkout@v4
diff --git a/GemReward-Service-Repo b/GemReward-Service-Repo
deleted file mode 160000
index 9219f19f..00000000
--- a/GemReward-Service-Repo
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 9219f19f353651e10b12fdcb00d6688bddf79b7f