diff --git a/cms/djangoapps/contentstore/views/assets.py b/cms/djangoapps/contentstore/views/assets.py
index 2be2cfafb8..3765bc004e 100644
--- a/cms/djangoapps/contentstore/views/assets.py
+++ b/cms/djangoapps/contentstore/views/assets.py
@@ -227,11 +227,9 @@ def generate_export_course(request, org, course, name):
     root_dir = path(mkdtemp())
 
     # export out to a tempdir
-
     logging.debug('root = {0}'.format(root_dir))
 
     export_to_xml(modulestore('direct'), contentstore(), loc, root_dir, name, modulestore())
-    # filename = root_dir / name + '.tar.gz'
 
     logging.debug('tar file being generated at {0}'.format(export_file.name))
     tar_file = tarfile.open(name=export_file.name, mode='w:gz')
diff --git a/common/djangoapps/student/models.py b/common/djangoapps/student/models.py
index 57f3d756b9..f6de469622 100644
--- a/common/djangoapps/student/models.py
+++ b/common/djangoapps/student/models.py
@@ -625,7 +625,6 @@ class Registration(models.Model):
     def activate(self):
         self.user.is_active = True
         self.user.save()
-        # self.delete()
 
 
 class PendingNameChange(models.Model):
diff --git a/common/lib/xmodule/xmodule/util/date_utils.py b/common/lib/xmodule/xmodule/util/date_utils.py
index 050d65fcf1..e128d6eab7 100644
--- a/common/lib/xmodule/xmodule/util/date_utils.py
+++ b/common/lib/xmodule/xmodule/util/date_utils.py
@@ -12,7 +12,7 @@ def get_default_time_display(dt, show_timezone=True):
     if dt is not None and show_timezone:
         if dt.tzinfo is not None:
             try:
-                timezone = dt.tzinfo.tzname(dt)
+                timezone = " " + dt.tzinfo.tzname(dt)
             except NotImplementedError:
                 timezone = " UTC"
         else: