diff --git a/src/applications/conpherence/controller/ConpherenceColumnViewController.php b/src/applications/conpherence/controller/ConpherenceColumnViewController.php
--- a/src/applications/conpherence/controller/ConpherenceColumnViewController.php
+++ b/src/applications/conpherence/controller/ConpherenceColumnViewController.php
@@ -16,7 +16,6 @@
       $latest_conpherences = id(new ConpherenceThreadQuery())
         ->setViewer($user)
         ->withPHIDs($conpherence_phids)
-        ->needTransactions(true)
         ->needParticipantCache(true)
         ->execute();
       $latest_conpherences = mpull($latest_conpherences, null, 'getPHID');
diff --git a/src/applications/conpherence/controller/ConpherenceListController.php b/src/applications/conpherence/controller/ConpherenceListController.php
--- a/src/applications/conpherence/controller/ConpherenceListController.php
+++ b/src/applications/conpherence/controller/ConpherenceListController.php
@@ -138,7 +138,6 @@
       $conpherences = id(new ConpherenceThreadQuery())
         ->setViewer($user)
         ->withPHIDs($conpherence_phids)
-        ->needTransactions(true)
         ->needParticipantCache(true)
         ->execute();
 
diff --git a/src/applications/conpherence/controller/ConpherenceNotificationPanelController.php b/src/applications/conpherence/controller/ConpherenceNotificationPanelController.php
--- a/src/applications/conpherence/controller/ConpherenceNotificationPanelController.php
+++ b/src/applications/conpherence/controller/ConpherenceNotificationPanelController.php
@@ -18,6 +18,7 @@
         ->setViewer($user)
         ->withPHIDs(array_keys($participant_data))
         ->needTransactions(true)
+        ->setTransactionLimit(3 * 5)
         ->needParticipantCache(true)
         ->execute();
     }
diff --git a/src/applications/conpherence/controller/ConpherenceUpdateController.php b/src/applications/conpherence/controller/ConpherenceUpdateController.php
--- a/src/applications/conpherence/controller/ConpherenceUpdateController.php
+++ b/src/applications/conpherence/controller/ConpherenceUpdateController.php
@@ -380,14 +380,14 @@
     $need_widget_data = false;
     $need_transactions = false;
     $need_participant_cache = true;
-    $need_transactions = true;
     switch ($action) {
       case ConpherenceUpdateActions::METADATA:
-        break;
       case ConpherenceUpdateActions::LOAD:
+        $need_transactions = true;
         break;
       case ConpherenceUpdateActions::MESSAGE:
       case ConpherenceUpdateActions::ADD_PERSON:
+        $need_transactions = true;
         $need_widget_data = true;
         break;
       case ConpherenceUpdateActions::REMOVE_PERSON:
diff --git a/src/applications/conpherence/query/ConpherenceThreadSearchEngine.php b/src/applications/conpherence/query/ConpherenceThreadSearchEngine.php
--- a/src/applications/conpherence/query/ConpherenceThreadSearchEngine.php
+++ b/src/applications/conpherence/query/ConpherenceThreadSearchEngine.php
@@ -27,7 +27,6 @@
 
   public function buildQueryFromSavedQuery(PhabricatorSavedQuery $saved) {
     $query = id(new ConpherenceThreadQuery())
-      ->needTransactions(true)
       ->needParticipantCache(true);
 
     $participant_phids = $saved->getParameter('participantPHIDs', array());