diff --git a/.bundle/config b/.bundle/config
deleted file mode 100644
index b572b09..0000000
--- a/.bundle/config
+++ /dev/null
@@ -1,3 +0,0 @@
----
-BUNDLE_RETRY: "3"
-BUNDLE_JOBS: "4"
diff --git a/.github/workflows/scheduler_daily.yml b/.github/workflows/scheduler_daily.yml
index 1e130e2..d6123c3 100644
--- a/.github/workflows/scheduler_daily.yml
+++ b/.github/workflows/scheduler_daily.yml
@@ -36,7 +36,7 @@ jobs:
 
     - name: 🧪 Install Ruby gems
       run: |
-        bundle install --jobs 4 --retry 3
+        bundle install
 
     - name: 📊 Update dojo stats of Japan
       run: |
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 83d08de..27e44f8 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -49,8 +49,6 @@ jobs:
 
     - name: 🧪 Install gems
       run: |
-        bundle config set with 'test'
-        bundle config set path 'vendor/bundle'
         bundle install
 
     - name: 🔧 Build