diff --git a/mayan/apps/sources/classes.py b/mayan/apps/sources/classes.py
index e7700cf3d6..412c28970b 100644
--- a/mayan/apps/sources/classes.py
+++ b/mayan/apps/sources/classes.py
@@ -10,7 +10,9 @@ from django.core.files import File
 from django.core.files.storage import FileSystemStorage
 from django.utils.encoding import smart_str
 from django.utils.translation import ugettext
+from django.utils.translation import ugettext_lazy as _
 
+from common.utils import fs_cleanup
 from converter.api import convert, cache_cleanup
 from converter.literals import (DEFAULT_ZOOM_LEVEL, DEFAULT_ROTATION,
     DEFAULT_PAGE_NUMBER, DEFAULT_FILE_FORMAT_MIMETYPE)
@@ -43,8 +45,8 @@ class StagingFile(object):
         return os.path.join(self.staging_folder.folder_path, self.filename)
 
     def get_image(self, size, page, zoom, rotation, as_base64=True):
-        #return self.get_valid_image(size=size, transformations=transformations)
-        converted_file_path = convert(self.get_full_path(), size=size)#, cleanup_files=True)#, transformations=transformations)
+        # TODO: add support for transformations
+        converted_file_path = convert(self.get_full_path(), size=size)
 
         if as_base64:
             mimetype = get_mimetype(open(converted_file_path, 'r'), converted_file_path, mimetype_only=True)[0]
@@ -55,12 +57,5 @@ class StagingFile(object):
         else:
             return file_path
 
-    #def delete(self, preview_size, transformations):
-    #    cache_cleanup(self.filepath, size=preview_size, transformations=transformations)
-    #    try:
-    #        os.unlink(self.filepath)
-    #    except OSError, exc:
-    #        if exc.errno == errno.ENOENT:
-    #            pass
-    #        else:
-    #            raise Exception(ugettext(u'Unable to delete staging file: %s') % exc)
+    def delete(self):
+        os.unlink(self.get_full_path())