diff --git a/.github/workflows/e2e.yaml b/.github/workflows/e2e.yaml
index 597b87c..8b3806f 100644
--- a/.github/workflows/e2e.yaml
+++ b/.github/workflows/e2e.yaml
@@ -50,9 +50,6 @@ jobs:
           gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
           git_user_signingkey: true
           git_commit_gpgsign: true
-      # - uses: actions/setup-python@v5
-      #   with:
-      #     python-version: '3.10'
       - uses: vdaas/vald-client-ci/.github/actions/setup-language@main
         with:
           client_type: python
diff --git a/Makefile b/Makefile
index e32d925..be22aa5 100755
--- a/Makefile
+++ b/Makefile
@@ -167,17 +167,11 @@ $(TEST_DATASET_PATH):
 ## install deps for CI environment
 ci/deps/install: proto/deps/install
 	apt-get update -y && apt-get install -y \
-		libssl-dev \
-		python3-openssl \
 		python3-setuptools \
 		libprotobuf-dev \
 		libprotoc-dev \
 		protobuf-compiler
 	$(PYTHON) -m pip install \
-		--no-cache-dir \
-		--trusted-host pypi.python.org \
-		--trusted-host files.pythonhosted.org \
-		--trusted-host pypi.org \
 		grpcio \
 		protobuf \
 		wheel