diff --git a/src/applications/audit/editor/PhabricatorAuditEditor.php b/src/applications/audit/editor/PhabricatorAuditEditor.php
index 77d1d0a23a..f3e7bdebb0 100644
--- a/src/applications/audit/editor/PhabricatorAuditEditor.php
+++ b/src/applications/audit/editor/PhabricatorAuditEditor.php
@@ -116,7 +116,6 @@ final class PhabricatorAuditEditor
 
     switch ($xaction->getTransactionType()) {
       case PhabricatorTransactions::TYPE_COMMENT:
-      case PhabricatorTransactions::TYPE_SUBSCRIBERS:
       case PhabricatorAuditActionConstants::ACTION:
       case PhabricatorAuditActionConstants::INLINE:
       case PhabricatorAuditActionConstants::ADD_AUDITORS:
@@ -133,7 +132,6 @@ final class PhabricatorAuditEditor
 
     switch ($xaction->getTransactionType()) {
       case PhabricatorTransactions::TYPE_COMMENT:
-      case PhabricatorTransactions::TYPE_SUBSCRIBERS:
       case PhabricatorAuditActionConstants::ACTION:
       case PhabricatorAuditTransaction::TYPE_COMMIT:
         return;
diff --git a/src/applications/calendar/editor/PhabricatorCalendarEventEditor.php b/src/applications/calendar/editor/PhabricatorCalendarEventEditor.php
index cf6fc5936e..3e3b68d08f 100644
--- a/src/applications/calendar/editor/PhabricatorCalendarEventEditor.php
+++ b/src/applications/calendar/editor/PhabricatorCalendarEventEditor.php
@@ -111,7 +111,6 @@ final class PhabricatorCalendarEventEditor
       case PhabricatorTransactions::TYPE_COMMENT:
       case PhabricatorTransactions::TYPE_VIEW_POLICY:
       case PhabricatorTransactions::TYPE_EDIT_POLICY:
-      case PhabricatorTransactions::TYPE_SUBSCRIBERS:
         return;
     }
 
@@ -153,7 +152,6 @@ final class PhabricatorCalendarEventEditor
       case PhabricatorTransactions::TYPE_COMMENT:
       case PhabricatorTransactions::TYPE_VIEW_POLICY:
       case PhabricatorTransactions::TYPE_EDIT_POLICY:
-      case PhabricatorTransactions::TYPE_SUBSCRIBERS:
         return;
     }
 
diff --git a/src/applications/differential/editor/DifferentialTransactionEditor.php b/src/applications/differential/editor/DifferentialTransactionEditor.php
index a9084093f6..24ffbb9031 100644
--- a/src/applications/differential/editor/DifferentialTransactionEditor.php
+++ b/src/applications/differential/editor/DifferentialTransactionEditor.php
@@ -195,7 +195,6 @@ final class DifferentialTransactionEditor
       case PhabricatorTransactions::TYPE_EDIT_POLICY:
         $object->setEditPolicy($xaction->getNewValue());
         return;
-      case PhabricatorTransactions::TYPE_SUBSCRIBERS:
       case PhabricatorTransactions::TYPE_COMMENT:
       case DifferentialTransaction::TYPE_INLINE:
         return;
@@ -578,7 +577,6 @@ final class DifferentialTransactionEditor
       case PhabricatorTransactions::TYPE_VIEW_POLICY:
       case PhabricatorTransactions::TYPE_EDIT_POLICY:
         return;
-      case PhabricatorTransactions::TYPE_SUBSCRIBERS:
       case PhabricatorTransactions::TYPE_COMMENT:
       case DifferentialTransaction::TYPE_ACTION:
         return;
diff --git a/src/applications/fund/editor/FundInitiativeEditor.php b/src/applications/fund/editor/FundInitiativeEditor.php
index 33ad1017d0..13296be13f 100644
--- a/src/applications/fund/editor/FundInitiativeEditor.php
+++ b/src/applications/fund/editor/FundInitiativeEditor.php
@@ -102,7 +102,6 @@ final class FundInitiativeEditor
 
         $object->setTotalAsCurrency($total);
         return;
-      case PhabricatorTransactions::TYPE_SUBSCRIBERS:
       case PhabricatorTransactions::TYPE_VIEW_POLICY:
       case PhabricatorTransactions::TYPE_EDIT_POLICY:
         return;
@@ -155,7 +154,6 @@ final class FundInitiativeEditor
 
         $editor->applyTransactions($backer, $subx);
         return;
-      case PhabricatorTransactions::TYPE_SUBSCRIBERS:
       case PhabricatorTransactions::TYPE_VIEW_POLICY:
       case PhabricatorTransactions::TYPE_EDIT_POLICY:
         return;
diff --git a/src/applications/paste/editor/PhabricatorPasteEditor.php b/src/applications/paste/editor/PhabricatorPasteEditor.php
index 86f2eea393..0d64017421 100644
--- a/src/applications/paste/editor/PhabricatorPasteEditor.php
+++ b/src/applications/paste/editor/PhabricatorPasteEditor.php
@@ -89,7 +89,6 @@ final class PhabricatorPasteEditor
         $object->setEditPolicy($xaction->getNewValue());
         return;
       case PhabricatorTransactions::TYPE_COMMENT:
-      case PhabricatorTransactions::TYPE_SUBSCRIBERS:
         return;
     }
 
@@ -107,7 +106,6 @@ final class PhabricatorPasteEditor
       case PhabricatorTransactions::TYPE_VIEW_POLICY:
       case PhabricatorTransactions::TYPE_EDIT_POLICY:
       case PhabricatorTransactions::TYPE_COMMENT:
-      case PhabricatorTransactions::TYPE_SUBSCRIBERS:
         return;
     }
 
diff --git a/src/applications/project/editor/PhabricatorProjectTransactionEditor.php b/src/applications/project/editor/PhabricatorProjectTransactionEditor.php
index 84ca63a358..348ba53c4d 100644
--- a/src/applications/project/editor/PhabricatorProjectTransactionEditor.php
+++ b/src/applications/project/editor/PhabricatorProjectTransactionEditor.php
@@ -102,8 +102,6 @@ final class PhabricatorProjectTransactionEditor
       case PhabricatorProjectTransaction::TYPE_LOCKED:
         $object->setIsMembershipLocked($xaction->getNewValue());
         return;
-      case PhabricatorTransactions::TYPE_SUBSCRIBERS:
-        return;
       case PhabricatorTransactions::TYPE_VIEW_POLICY:
         $object->setViewPolicy($xaction->getNewValue());
         return;
@@ -159,7 +157,6 @@ final class PhabricatorProjectTransactionEditor
         }
 
         return;
-      case PhabricatorTransactions::TYPE_SUBSCRIBERS:
       case PhabricatorTransactions::TYPE_VIEW_POLICY:
       case PhabricatorTransactions::TYPE_EDIT_POLICY:
       case PhabricatorTransactions::TYPE_JOIN_POLICY:
diff --git a/src/applications/transactions/editor/PhabricatorApplicationTransactionEditor.php b/src/applications/transactions/editor/PhabricatorApplicationTransactionEditor.php
index 406aaeac4a..11c11e1cc9 100644
--- a/src/applications/transactions/editor/PhabricatorApplicationTransactionEditor.php
+++ b/src/applications/transactions/editor/PhabricatorApplicationTransactionEditor.php
@@ -401,6 +401,7 @@ abstract class PhabricatorApplicationTransactionEditor
       case PhabricatorTransactions::TYPE_CUSTOMFIELD:
         $field = $this->getCustomFieldForTransaction($object, $xaction);
         return $field->applyApplicationTransactionInternalEffects($xaction);
+      case PhabricatorTransactions::TYPE_SUBSCRIBERS:
       case PhabricatorTransactions::TYPE_INLINESTATE:
       case PhabricatorTransactions::TYPE_EDGE:
         return $this->applyBuiltinInternalTransaction($object, $xaction);
@@ -441,8 +442,8 @@ abstract class PhabricatorApplicationTransactionEditor
           $xaction->getOldValue(),
           $xaction->getNewValue()));
         $this->subscribers = $subscribers;
+        return $this->applyBuiltinExternalTransaction($object, $xaction);
 
-        break;
       case PhabricatorTransactions::TYPE_EDGE:
         if ($this->getIsInverseEdgeEditor()) {
           // If we're writing an inverse edge transaction, don't actually