diff --git a/mwclient/client.py b/mwclient/client.py
index f9bb49d5f69e4532f07226c4c903fb247a76ec84..50b905b51bfb9ebba0313958c63a7aefd82c7ada 100644
--- a/mwclient/client.py
+++ b/mwclient/client.py
@@ -570,7 +570,7 @@ class Site(object):
         return listing.List.get_list(generator)(self, 'allpages', 'ap', limit=limit, return_values='title', **kwargs)
 
     def allimages(self, start=None, prefix=None, minsize=None, maxsize=None, limit=None,
-                  dir='ascending', sha1=None, sha1base36=None, prop='timestamp|url',
+                  dir='ascending', sha1=None, sha1base36=None,
                   generator=True):
         """Retrieve all images on the wiki as a generator."""