diff --git a/beat/web/common/testutils.py b/beat/web/common/testutils.py
index 286ff29f178e6bd468f30be9810bb64587032ff7..ccb7683ec022185659787b84003a3d07c80502f5 100644
--- a/beat/web/common/testutils.py
+++ b/beat/web/common/testutils.py
@@ -25,7 +25,11 @@
 #                                                                             #
 ###############################################################################
 
+import os
+import shutil
+
 from django.test import TestCase
+from django.conf import settings
 
 from urlparse import urlparse
 
@@ -38,6 +42,15 @@ class BaseTestCase(TestCase):
     class Meta:
         model = None
 
+
+    def tearDown():
+
+        if os.path.exists(settings.CACHE_ROOT):
+            shutil.rmtree(settings.CACHE_ROOT)
+        if os.path.exists(settings.PREFIX):
+            shutil.rmtree(settings.PREFIX)
+
+
     def checkObjectDBSharingPreferences(self, contribution, reference):
         if not(reference.has_key('status')):
             reference['status'] = 'private'