diff --git a/src/applications/differential/lipsum/PhabricatorDifferentialRevisionTestDataGenerator.php b/src/applications/differential/lipsum/PhabricatorDifferentialRevisionTestDataGenerator.php
index 96374292a..db34f1841 100644
--- a/src/applications/differential/lipsum/PhabricatorDifferentialRevisionTestDataGenerator.php
+++ b/src/applications/differential/lipsum/PhabricatorDifferentialRevisionTestDataGenerator.php
@@ -1,105 +1,104 @@
 <?php
 
 final class PhabricatorDifferentialRevisionTestDataGenerator
   extends PhabricatorTestDataGenerator {
 
   public function generate() {
     $author = $this->loadPhabrictorUser();
-    $authorPHID = $author->getPHID();
 
     $revision = DifferentialRevision::initializeNewRevision($author);
     $revision->attachReviewerStatus(array());
     $revision->attachActiveDiff(null);
 
     // This could be a bit richer and more formal than it is.
     $revision->setTitle($this->generateTitle());
     $revision->setSummary($this->generateDescription());
     $revision->setTestPlan($this->generateDescription());
 
     $diff = $this->generateDiff($author);
 
     $xactions = array();
 
     $xactions[] = id(new DifferentialTransaction())
       ->setTransactionType(DifferentialTransaction::TYPE_UPDATE)
       ->setNewValue($diff->getPHID());
 
     $content_source = PhabricatorContentSource::newForSource(
       PhabricatorContentSource::SOURCE_LIPSUM,
       array());
 
     id(new DifferentialTransactionEditor())
       ->setActor($author)
       ->setContentSource($content_source)
       ->applyTransactions($revision, $xactions);
 
     return $revision;
   }
 
   public function getCCPHIDs() {
     $ccs = array();
     for ($i = 0; $i < rand(1, 4);$i++) {
       $ccs[] = $this->loadPhabrictorUserPHID();
     }
     return $ccs;
   }
 
   public function generateDiff($author) {
     $paste_generator = new PhabricatorPasteTestDataGenerator();
     $languages = $paste_generator->supportedLanguages;
     $lang = array_rand($languages);
     $code = $paste_generator->generateContent($lang);
     $altcode = $paste_generator->generateContent($lang);
     $newcode = $this->randomlyModify($code, $altcode);
     $diff = id(new PhabricatorDifferenceEngine())
       ->generateRawDiffFromFileContent($code, $newcode);
      $call = new ConduitCall(
         'differential.createrawdiff',
         array(
           'diff' => $diff,
         ));
     $call->setUser($author);
     $result = $call->execute();
     $thediff = id(new DifferentialDiff())->load(
       $result['id']);
     $thediff->setDescription($this->generateTitle())->save();
     return $thediff;
   }
 
   public function generateDescription() {
     return id(new PhutilLipsumContextFreeGrammar())
       ->generate(10, 20);
   }
 
   public function generateTitle() {
     return id(new PhutilLipsumContextFreeGrammar())
       ->generate();
   }
 
   public function randomlyModify($code, $altcode) {
     $codearr = explode("\n", $code);
     $altcodearr = explode("\n", $altcode);
     $no_lines_to_delete = rand(1,
       min(count($codearr) - 2, 5));
     $randomlines = array_rand($codearr,
       count($codearr) - $no_lines_to_delete);
     $newcode = array();
     foreach ($randomlines as $lineno) {
       $newcode[] = $codearr[$lineno];
     }
     $newlines_count = rand(2,
       min(count($codearr) - 2, count($altcodearr) - 2, 5));
     $randomlines_orig = array_rand($codearr, $newlines_count);
     $randomlines_new = array_rand($altcodearr, $newlines_count);
     $newcode2 = array();
     $c = 0;
     for ($i = 0; $i < count($newcode);$i++) {
       $newcode2[] = $newcode[$i];
       if (in_array($i, $randomlines_orig)) {
         $newcode2[] = $altcodearr[$randomlines_new[$c++]];
       }
     }
     return implode($newcode2, "\n");
   }
 
 }