diff --git a/.github/workflows/build-ros2-ws-action.yml b/.github/workflows/build-ros2-ws-action.yml
index 0f82fe4..17f29f2 100644
--- a/.github/workflows/build-ros2-ws-action.yml
+++ b/.github/workflows/build-ros2-ws-action.yml
@@ -35,6 +35,7 @@ jobs:
           cmake -S grpc -B grpc/build
           cmake --build grpc/build
           sudo cmake --install grpc/build
+          rm -rf grpc
 
       - name: Setup workspace
         uses: ichiro-its/ros2-ws-action/setup@v1.0.1
diff --git a/.github/workflows/dispatch-discord-pr-bot.yml b/.github/workflows/dispatch-discord-pr-bot.yml
index d280fb2..01201ce 100644
--- a/.github/workflows/dispatch-discord-pr-bot.yml
+++ b/.github/workflows/dispatch-discord-pr-bot.yml
@@ -17,4 +17,4 @@ jobs:
             {
               "repository": "${{ github.event.repository.name }}",
               "pr_type": "${{ github.event.action || 'opened' }}"
-            }
\ No newline at end of file
+            }