diff --git a/opentech/apply/funds/models/submissions.py b/opentech/apply/funds/models/submissions.py
index 53ea4608550ebb0c2d4747f3765b4eb18d6b7388..2c58f5edbb3da19238d14b9a92bd4f3f77b2b1b2 100644
--- a/opentech/apply/funds/models/submissions.py
+++ b/opentech/apply/funds/models/submissions.py
@@ -324,12 +324,6 @@ class ApplicationSubmission(
     def active(self):
         return self.status in active_statuses
 
-    @property
-    def last_edit(self):
-        # Best estimate of last edit
-        # TODO update when we have revisioning included
-        return self.activities.first()
-
     def ensure_user_has_account(self):
         if self.user and self.user.is_authenticated:
             self.form_data['email'] = self.user.email
diff --git a/opentech/apply/funds/templates/funds/applicationsubmission_detail.html b/opentech/apply/funds/templates/funds/applicationsubmission_detail.html
index b37da93f9f17b57b3a04fd942546b52ea64d0c19..1e8b7798b9e288d00b2ab967f6daf12b0ca95ecc 100644
--- a/opentech/apply/funds/templates/funds/applicationsubmission_detail.html
+++ b/opentech/apply/funds/templates/funds/applicationsubmission_detail.html
@@ -58,7 +58,7 @@
                 <div>
                     <h6 class="heading heading--submission-meta">
                         <span>Submitted: <strong>{{ object.submit_time.date }} by {{ object.user.get_full_name }}</strong></span>
-                        <span>Last edited: <strong>{{ object.last_edit.timestamp.date }} by {{ object.last_edit.user.get_full_name }}</strong></span>
+                        <span>Last edited: <strong>{{ object.live_revision.timestamp.date }} by {{ object.live_revision.author }}</strong></span>
                         {% if request.user|has_edit_perm:object %}
                             <a class="link link--edit-submission is-active" href="{% url 'funds:submissions:edit' object.id %}">
                                 Edit