diff --git a/src/applications/repository/storage/PhabricatorRepository.php b/src/applications/repository/storage/PhabricatorRepository.php
--- a/src/applications/repository/storage/PhabricatorRepository.php
+++ b/src/applications/repository/storage/PhabricatorRepository.php
@@ -10,7 +10,8 @@
     PhabricatorFlaggableInterface,
     PhabricatorMarkupInterface,
     PhabricatorDestructibleInterface,
-    PhabricatorProjectInterface {
+    PhabricatorProjectInterface,
+    PhabricatorApplicationTransactionInterface {
 
   /**
    * Shortest hash we'll recognize in raw "a829f32" form.
@@ -1140,6 +1141,20 @@
         $cursor->delete();
       }
 
+      $push_events = id(new PhabricatorRepositoryPushEvent())
+        ->loadAllWhere('repositoryPHID = %s', $this->getPHID());
+      foreach ($push_events as $push_event) {
+        // note PhabricatorRepositoryPushLog
+        // are deleted here too.
+        $push_event->delete();
+      }
+
+      $status_msgs = id(new PhabricatorRepositoryStatusMessage())
+        ->loadAllWhere('repositoryID = %d', $this->getID());
+      foreach ($status_msgs as $status_msg) {
+        $status_msg->delete();
+      }
+
       $conn_w = $this->establishConnection('w');
 
       queryfx(
@@ -1588,4 +1603,18 @@
     $this->saveTransaction();
   }
 
+/* -(  PhabricatorApplicationTransactionInterface  )------------------------- */
+
+  public function getApplicationTransactionEditor() {
+    return new PhabricatorRepositoryEditor();
+  }
+
+  public function getApplicationTransactionObject() {
+    return $this;
+  }
+
+  public function getApplicationTransactionTemplate() {
+    return new PhabricatorRepositoryTransaction();
+  }
+
 }
diff --git a/src/applications/repository/storage/PhabricatorRepositoryCommit.php b/src/applications/repository/storage/PhabricatorRepositoryCommit.php
--- a/src/applications/repository/storage/PhabricatorRepositoryCommit.php
+++ b/src/applications/repository/storage/PhabricatorRepositoryCommit.php
@@ -181,6 +181,15 @@
       foreach ($audits as $audit) {
         $audit->delete();
       }
+
+      $conn_w = $this->establishConnection('w');
+
+      queryfx(
+        $conn_w,
+        'DELETE FROM %T WHERE childCommitID = %d',
+        PhabricatorRepository::TABLE_PARENTS,
+        $this->getID());
+
       $result = parent::delete();
 
     $this->saveTransaction();
diff --git a/src/applications/repository/storage/PhabricatorRepositoryPushEvent.php b/src/applications/repository/storage/PhabricatorRepositoryPushEvent.php
--- a/src/applications/repository/storage/PhabricatorRepositoryPushEvent.php
+++ b/src/applications/repository/storage/PhabricatorRepositoryPushEvent.php
@@ -65,6 +65,19 @@
     return $this->assertAttached($this->logs);
   }
 
+  public function delete() {
+    $logs = id(new PhabricatorRepositoryPushLog())
+      ->loadAllWhere('pushEventPHID = %s', $this->getPHID());
+    $this->openTransaction();
+
+      foreach ($logs as $log) {
+        $log->delete();
+      }
+      $result = parent::delete();
+
+    $this->saveTransaction();
+    return $result;
+  }
 
 /* -(  PhabricatorPolicyInterface  )----------------------------------------- */