diff --git a/src/applications/differential/controller/DifferentialInlineCommentEditController.php b/src/applications/differential/controller/DifferentialInlineCommentEditController.php
--- a/src/applications/differential/controller/DifferentialInlineCommentEditController.php
+++ b/src/applications/differential/controller/DifferentialInlineCommentEditController.php
@@ -3,6 +3,10 @@
 final class DifferentialInlineCommentEditController
   extends PhabricatorInlineCommentController {
 
+  protected function newInlineCommentQuery() {
+    return new DifferentialDiffInlineCommentQuery();
+  }
+
   private function getRevisionID() {
     return $this->getRequest()->getURIData('id');
   }
@@ -58,44 +62,10 @@
       ->setChangesetID($changeset_id);
   }
 
-  protected function loadComment($id) {
-    return id(new DifferentialInlineCommentQuery())
-      ->setViewer($this->getViewer())
-      ->withIDs(array($id))
-      ->withDeletedDrafts(true)
-      ->needHidden(true)
-      ->executeOne();
-  }
-
-  protected function loadCommentByPHID($phid) {
-    return id(new DifferentialInlineCommentQuery())
-      ->setViewer($this->getViewer())
-      ->withPHIDs(array($phid))
-      ->withDeletedDrafts(true)
-      ->needHidden(true)
-      ->executeOne();
-  }
-
-  protected function loadCommentForEdit($id) {
-    $viewer = $this->getViewer();
-
-    $inline = $this->loadComment($id);
-    if (!$inline) {
-      throw new Exception(
-        pht('Unable to load inline "%s".', $id));
-    }
-
-    if (!$this->canEditInlineComment($viewer, $inline)) {
-      throw new Exception(pht('That comment is not editable!'));
-    }
-
-    return $inline;
-  }
-
   protected function loadCommentForDone($id) {
     $viewer = $this->getViewer();
 
-    $inline = $this->loadComment($id);
+    $inline = $this->loadCommentByID($id);
     if (!$inline) {
       throw new Exception(pht('Unable to load inline "%d".', $id));
     }
@@ -144,7 +114,7 @@
     return $inline;
   }
 
-  private function canEditInlineComment(
+  protected function canEditInlineComment(
     PhabricatorUser $viewer,
     DifferentialInlineComment $inline) {
 
diff --git a/src/applications/diffusion/controller/DiffusionInlineCommentController.php b/src/applications/diffusion/controller/DiffusionInlineCommentController.php
--- a/src/applications/diffusion/controller/DiffusionInlineCommentController.php
+++ b/src/applications/diffusion/controller/DiffusionInlineCommentController.php
@@ -3,6 +3,10 @@
 final class DiffusionInlineCommentController
   extends PhabricatorInlineCommentController {
 
+  protected function newInlineCommentQuery() {
+    return new DiffusionDiffInlineCommentQuery();
+  }
+
   private function getCommitPHID() {
     return $this->getRequest()->getURIData('phid');
   }
@@ -41,48 +45,10 @@
       ->setPathID($path_id);
   }
 
-  protected function loadComment($id) {
-    $viewer = $this->getViewer();
-    $inline = id(new DiffusionDiffInlineCommentQuery())
-       ->setViewer($viewer)
-       ->withIDs(array($id))
-       ->executeOne();
-
-    if ($inline) {
-      $inline = $inline->newInlineCommentObject();
-    }
-
-    return $inline;
-  }
-
-  protected function loadCommentByPHID($phid) {
-    $viewer = $this->getViewer();
-    $inline = id(new DiffusionDiffInlineCommentQuery())
-       ->setViewer($viewer)
-       ->withPHIDs(array($phid))
-       ->executeOne();
-
-    if ($inline) {
-      $inline = $inline->newInlineCommentObject();
-    }
-
-    return $inline;
-  }
-
-  protected function loadCommentForEdit($id) {
-    $viewer = $this->getViewer();
-
-    $inline = $this->loadComment($id);
-    if (!$this->canEditInlineComment($viewer, $inline)) {
-      throw new Exception(pht('That comment is not editable!'));
-    }
-    return $inline;
-  }
-
   protected function loadCommentForDone($id) {
     $viewer = $this->getViewer();
 
-    $inline = $this->loadComment($id);
+    $inline = $this->loadCommentByID($id);
     if (!$inline) {
       throw new Exception(pht('Failed to load comment "%d".', $id));
     }
@@ -115,7 +81,7 @@
     return $inline;
   }
 
-  private function canEditInlineComment(
+  protected function canEditInlineComment(
     PhabricatorUser $viewer,
     PhabricatorAuditInlineComment $inline) {
 
diff --git a/src/infrastructure/diff/PhabricatorInlineCommentController.php b/src/infrastructure/diff/PhabricatorInlineCommentController.php
--- a/src/infrastructure/diff/PhabricatorInlineCommentController.php
+++ b/src/infrastructure/diff/PhabricatorInlineCommentController.php
@@ -4,10 +4,8 @@
   extends PhabricatorController {
 
   abstract protected function createComment();
-  abstract protected function loadComment($id);
-  abstract protected function loadCommentForEdit($id);
+  abstract protected function newInlineCommentQuery();
   abstract protected function loadCommentForDone($id);
-  abstract protected function loadCommentByPHID($phid);
   abstract protected function loadObjectOwnerPHID(
     PhabricatorInlineComment $inline);
   abstract protected function deleteComment(
@@ -172,7 +170,7 @@
 
         $is_delete = ($op == 'delete' || $op == 'refdelete');
 
-        $inline = $this->loadCommentForEdit($this->getCommentID());
+        $inline = $this->loadCommentByIDForEdit($this->getCommentID());
 
         if ($is_delete) {
           $this->deleteComment($inline);
@@ -182,7 +180,7 @@
 
         return $this->buildEmptyResponse();
       case 'edit':
-        $inline = $this->loadCommentForEdit($this->getCommentID());
+        $inline = $this->loadCommentByIDForEdit($this->getCommentID());
         $text = $this->getCommentText();
 
         if ($request->isFormPost()) {
@@ -228,7 +226,7 @@
 
         return $this->newInlineResponse($inline, $view);
       case 'cancel':
-        $inline = $this->loadCommentForEdit($this->getCommentID());
+        $inline = $this->loadCommentByIDForEdit($this->getCommentID());
 
         $inline->setIsEditing(false);
 
@@ -251,7 +249,7 @@
 
         return $this->buildEmptyResponse();
       case 'draft':
-        $inline = $this->loadCommentForEdit($this->getCommentID());
+        $inline = $this->loadCommentByIDForEdit($this->getCommentID());
 
         $versioned_draft = PhabricatorVersionedDraft::loadOrCreateDraft(
           $inline->getPHID(),
@@ -442,5 +440,58 @@
       $viewer->getPHID());
   }
 
+  final protected function loadCommentByID($id) {
+    $query = $this->newInlineCommentQuery()
+      ->withIDs(array($id));
+
+    return $this->loadCommentByQuery($query);
+  }
+
+  final protected function loadCommentByPHID($phid) {
+    $query = $this->newInlineCommentQuery()
+      ->withPHIDs(array($phid));
+
+    return $this->loadCommentByQuery($query);
+  }
+
+  final protected function loadCommentByIDForEdit($id) {
+    $viewer = $this->getViewer();
+
+    $query = $this->newInlineCommentQuery()
+      ->withIDs(array($id));
+
+    $inline = $this->loadCommentByQuery($query);
+
+    if (!$inline) {
+      throw new Exception(
+        pht(
+          'Unable to load inline "%s".',
+          $id));
+    }
+
+    if (!$this->canEditInlineComment($viewer, $inline)) {
+      throw new Exception(
+        pht(
+          'Inline comment "%s" is not editable.',
+          $id));
+    }
+
+    return $inline;
+  }
+
+  private function loadCommentByQuery(
+    PhabricatorDiffInlineCommentQuery $query) {
+    $viewer = $this->getViewer();
+
+    $inline = $query
+      ->setViewer($viewer)
+      ->executeOne();
+
+    if ($inline) {
+      $inline = $inline->newInlineCommentObject();
+    }
+
+    return $inline;
+  }
 
 }