diff --git a/reana_server/api_client.py b/reana_server/api_client.py
deleted file mode 100644
index e3c4c316..00000000
--- a/reana_server/api_client.py
+++ /dev/null
@@ -1,26 +0,0 @@
-# -*- coding: utf-8 -*-
-#
-# This file is part of REANA.
-# Copyright (C) 2017, 2018 CERN.
-#
-# REANA is free software; you can redistribute it and/or modify it
-# under the terms of the MIT License; see LICENSE file for more details.
-
-"""REST API client generator."""
-
-import json
-import os
-
-import pkg_resources
-from flask import current_app
-from reana_commons.api_client import BaseAPIClient
-from werkzeug.local import LocalProxy
-
-
-def _get_current_rwc_api_client():
-    """Return current state of the search extension."""
-    rwc_api_client = BaseAPIClient('reana-workflow-controller')
-    return rwc_api_client._client
-
-
-current_rwc_api_client = LocalProxy(_get_current_rwc_api_client)
diff --git a/reana_server/rest/workflows.py b/reana_server/rest/workflows.py
index 41af4d01..b698fa82 100644
--- a/reana_server/rest/workflows.py
+++ b/reana_server/rest/workflows.py
@@ -12,13 +12,12 @@
 import traceback
 
 from bravado.exception import HTTPError
+from flask import Blueprint
 from flask import current_app as app
-from flask import Blueprint, jsonify, request, send_file
-
+from flask import jsonify, request, send_file
+from reana_commons.api_client import current_rwc_api_client
 from reana_server.utils import get_user_from_token, is_uuid_v4
 
-from ..api_client import current_rwc_api_client
-
 blueprint = Blueprint('workflows', __name__)