diff --git a/proposals/models.py b/proposals/models.py
index c952911..4bbedff 100644
--- a/proposals/models.py
+++ b/proposals/models.py
@@ -25,10 +25,6 @@ class Topic(PonyConfModel):
 
     reviewers = models.ManyToManyField(User, blank=True)
 
-    @property
-    def talks(self):
-        return Talk.objects.filter(topics=self).all()
-
     def __str__(self):
         return self.name
 
diff --git a/proposals/templates/proposals/topic_list.html b/proposals/templates/proposals/topic_list.html
index 0950f29..607de82 100644
--- a/proposals/templates/proposals/topic_list.html
+++ b/proposals/templates/proposals/topic_list.html
@@ -15,7 +15,7 @@
         {{ topic }}:
         <a href="{% url 'edit-topic' topic.slug %}">{{ topic.reviewers.count }} reviewer{{ topic.reviewers.count|pluralize }}</a>
         and
-        <a href="{{ topic.get_absolute_url }}">{{ topic.talks.count }} talk{{ topic.talks.count|pluralize }}</a>
+        <a href="{{ topic.get_absolute_url }}">{{ topic.talk_set.count }} talk{{ topic.talk_set.count|pluralize }}</a>
     {% else %}
         <a href="{{ topic.get_absolute_url }}">{{ topic }}</a>
     {% endif %}