diff --git a/IPython/html/services/kernelspecs/handlers.py b/IPython/html/services/kernelspecs/handlers.py
index 975cd5d..dbe8382 100644
--- a/IPython/html/services/kernelspecs/handlers.py
+++ b/IPython/html/services/kernelspecs/handlers.py
@@ -2,11 +2,9 @@
# Copyright (c) IPython Development Team.
# Distributed under the terms of the Modified BSD License.
-
+import json
from tornado import web
-from zmq.utils import jsonapi
-
from ...base.handlers import IPythonHandler, json_errors
@@ -24,7 +22,7 @@ class MainKernelSpecHandler(IPythonHandler):
results.append(d)
self.set_header("Content-Type", 'application/json')
- self.finish(jsonapi.dumps(results))
+ self.finish(json.dumps(results))
class KernelSpecHandler(IPythonHandler):