diff --git a/tests/storage/test_http_with_singlefile.py b/tests/storage/test_http_with_singlefile.py
index 1d05da8..6a36828 100644
--- a/tests/storage/test_http_with_singlefile.py
+++ b/tests/storage/test_http_with_singlefile.py
@@ -81,17 +81,3 @@ class TestHttpStorage(StorageTests):
             return {'url': 'http://localhost:123/collection.txt',
                     'path': self.tmpfile}
         return inner
-
-    def test_update(self, s, get_item):
-        '''The original testcase tries to fetch with the old href. But this
-        storage doesn't have real hrefs, so the href might change if the
-        underlying UID changes. '''
-
-        item = get_item()
-        href, etag = s.upload(item)
-        assert_item_equals(s.get(href)[0], item)
-
-        new_item = get_item()
-        s.update(href, new_item, etag)
-        ((new_href, new_etag),) = s.list()
-        assert_item_equals(s.get(new_href)[0], new_item)
diff --git a/tests/storage/test_singlefile.py b/tests/storage/test_singlefile.py
index 0fdaa05..da7a6ed 100644
--- a/tests/storage/test_singlefile.py
+++ b/tests/storage/test_singlefile.py
@@ -45,17 +45,3 @@ class TestSingleFileStorage(StorageTests):
 
         with pytest.raises(IOError):
             s = self.storage_class(str(tmpdir) + '/foo.ics', create=False)
-
-    def test_update(self, s, get_item):
-        '''The original testcase tries to fetch with the old href. But this
-        storage doesn't have real hrefs, so the href might change if the
-        underlying UID changes. '''
-
-        item = get_item()
-        href, etag = s.upload(item)
-        assert_item_equals(s.get(href)[0], item)
-
-        new_item = get_item()
-        s.update(href, new_item, etag)
-        ((new_href, new_etag),) = s.list()
-        assert_item_equals(s.get(new_href)[0], new_item)