diff --git a/IPython/testing/iptest.py b/IPython/testing/iptest.py
index 2a20d3cfa..2fbb84854 100644
--- a/IPython/testing/iptest.py
+++ b/IPython/testing/iptest.py
@@ -293,6 +293,8 @@ def make_exclude():
 
     if not have['tornado']:
         exclusions.append(ipjoin('html'))
+        exclusions.append(ipjoin('nbconvert', 'post_processors', 'serve'))
+        exclusions.append(ipjoin('nbconvert', 'post_processors', 'tests', 'test_serve'))
 
     if not have['jinja2']:
         exclusions.append(ipjoin('html', 'notebookapp'))