--- a/cubicweb/devtools/fake.py	Fri Mar 10 16:31:08 2017 +0100
+++ b/cubicweb/devtools/fake.py	Fri Mar 10 16:55:57 2017 +0100
@@ -183,9 +183,6 @@
         self.vreg = vreg or FakeCWRegistryStore(self.config, initlog=False)
         self.vreg.schema = schema
 
-    def internal_session(self):
-        return FakeSession(self)
-
 
 class FakeSource(object):
     dbhelper = get_db_helper('sqlite')