diff --git a/tests/scripts/ci_e2e.sh b/tests/scripts/ci_e2e.sh
index a4565b9fce..7639e2871b 100755
--- a/tests/scripts/ci_e2e.sh
+++ b/tests/scripts/ci_e2e.sh
@@ -35,7 +35,6 @@ MILVUS_HELM_RELEASE_NAME="${MILVUS_HELM_RELEASE_NAME:-milvus-testing}"
 MILVUS_CLUSTER_ENABLED="${MILVUS_CLUSTER_ENABLED:-false}"
 MILVUS_HELM_NAMESPACE="${MILVUS_HELM_NAMESPACE:-default}"
 PARALLEL_NUM="${PARALLEL_NUM:-6}"
-MILVUS_CLIENT="${MILVUS_CLIENT:-pymilvus}"
 # Use service name instead of IP to test
 MILVUS_SERVICE_NAME=$(echo "${MILVUS_HELM_RELEASE_NAME}-milvus.${MILVUS_HELM_NAMESPACE}" | tr -d '\n')
 MILVUS_SERVICE_PORT="19530"