--- a/testing/mozharness/mozharness/mozilla/purge.py
+++ b/testing/mozharness/mozharness/mozilla/purge.py
@@ -92,10 +92,12 @@ class PurgeMixin(object):
                 super(PurgeMixin, self).clobber()
             else:
                 # Delete the upload dir so we don't upload previous stuff by
                 # accident
                 if always_clobber_dirs is None:
                     always_clobber_dirs = []
                 for path in always_clobber_dirs:
                     self.rmtree(path)
+            if 'clobberer_url' in c and c.get('use_clobberer', True):
+                self.clobberer()
         else:
             super(PurgeMixin, self).clobber()