diff --git a/radicale/tests/test_base.py b/radicale/tests/test_base.py
index 19a47d1d..b14967dc 100644
--- a/radicale/tests/test_base.py
+++ b/radicale/tests/test_base.py
@@ -560,9 +560,7 @@ class BaseRequestsMixIn:
               </C:comp-filter>
             </C:comp-filter>"""], items=7)
         assert "href>/calendar.ics/event6.ics</" not in answer
-        # HACK: VObject doesn't understand recurrence rules of event7.ics,
-        # it's always included.
-        # assert "href>/calendar.ics/event7.ics</" not in answer
+        assert "href>/calendar.ics/event7.ics</" not in answer
 
     def test_time_range_filter_events_rrule(self):
         """Report request with time-range filter on events with rrules."""
diff --git a/radicale/xmlutils.py b/radicale/xmlutils.py
index b19a1e72..6d39cab7 100644
--- a/radicale/xmlutils.py
+++ b/radicale/xmlutils.py
@@ -283,10 +283,6 @@ def _visit_time_ranges(vobject_item, child_name, range_fn, infinity_fn):
     """
     child = getattr(vobject_item, child_name.lower())
 
-    # TODO: Recurrences specified with RDATE
-    # (http://www.kanzaki.com/docs/ical/rdate.html) don't seem to work
-    # correct in VObject. getrruleset(addRDate=True) returns an empty generator
-    # if they are used.
     # TODO: Single recurrences can be overwritten by components with
     # RECURRENCE-ID (http://www.kanzaki.com/docs/ical/recurrenceId.html). They
     # may overwrite the start and end time. Currently these components and
@@ -298,9 +294,11 @@ def _visit_time_ranges(vobject_item, child_name, range_fn, infinity_fn):
             first_dtstart = next(iter(child.getrruleset(addRDate=True)),
                                  None)
         except TypeError as e:
+            # TODO: The problem was fixed in VObject 0.9.5
             raise VObjectBugException(
                 "failed to call getrruleset: %s" % e) from e
         if first_dtstart is None:
+            # TODO: The problem was fixed in VObject 0.9.5
             raise VObjectBugException(
                 "empty iterator from getrruleset")
         if (hasattr(child, "rrule") and