diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 417b6f1c7..1b6181c1f 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -70,7 +70,7 @@ jobs:
 
       - name: Install protocol dependencies
         working-directory: ${{ env.TAIKO_MONO_DIR }}
-        run: cd ./packages/protocol && pnpm clean && pnpm install
+        run: cd ./packages/protocol && pnpm install
 
       - name: Test
         working-directory: ${{ env.CLIENT_DIR }}