diff --git a/mayan/apps/sources/tests/test_classes.py b/mayan/apps/sources/tests/test_classes.py
index 7c0bfc43fe..e3ae3395a2 100644
--- a/mayan/apps/sources/tests/test_classes.py
+++ b/mayan/apps/sources/tests/test_classes.py
@@ -32,3 +32,5 @@ class StagingFileTestCase(TestCase):
         )
 
         self.assertEqual(filename, staging_file_2.filename)
+
+        shutil.rmtree(temporary_directory)