diff --git a/glanceclient/common/http.py b/glanceclient/common/http.py
index f8c48dc5..661264fd 100644
--- a/glanceclient/common/http.py
+++ b/glanceclient/common/http.py
@@ -15,6 +15,7 @@
 
 import copy
 import io
+import json
 import logging
 import socket
 
@@ -26,11 +27,6 @@ from oslo_utils import netutils
 import requests
 import urllib.parse
 
-try:
-    import json
-except ImportError:
-    import simplejson as json
-
 from oslo_utils import encodeutils
 
 from glanceclient.common import utils