diff --git a/src/applications/differential/parser/DifferentialChangesetParser.php b/src/applications/differential/parser/DifferentialChangesetParser.php
index 774e72b56a..60a1c080a5 100644
--- a/src/applications/differential/parser/DifferentialChangesetParser.php
+++ b/src/applications/differential/parser/DifferentialChangesetParser.php
@@ -60,7 +60,7 @@ final class DifferentialChangesetParser {
   private $markupEngine;
   private $highlightErrors;
 
-  const CACHE_VERSION = 7;
+  const CACHE_VERSION = 6;
   const CACHE_MAX_SIZE = 8e6;
 
   const ATTR_GENERATED  = 'attr:generated';
@@ -132,8 +132,8 @@ final class DifferentialChangesetParser {
     foreach ($changeset->getHunks() as $hunk) {
       $n_old = $hunk->getOldOffset();
       $n_new = $hunk->getNewOffset();
-      $changes = phutil_split_lines($hunk->getChanges());
-      foreach ($changes as $line) {
+      $changes = rtrim($hunk->getChanges(), "\n");
+      foreach (explode("\n", $changes) as $line) {
         $diff_type = $line[0]; // Change type in diff of diffs.
         $orig_type = $line[1]; // Change type in the original diff.
         if ($diff_type == ' ') {
@@ -267,7 +267,12 @@ final class DifferentialChangesetParser {
 
   public function parseHunk(DifferentialHunk $hunk) {
     $lines = $hunk->getChanges();
-    $lines = phutil_split_lines($lines);
+
+    $lines = str_replace(
+      array("\t", "\r\n", "\r"),
+      array('  ', "\n",   "\n"),
+      $lines);
+    $lines = explode("\n", $lines);
 
     $types = array();
     foreach ($lines as $line_index => $line) {
@@ -568,7 +573,7 @@ final class DifferentialChangesetParser {
         $old_corpus[] = $o['text'];
       }
     }
-    $old_corpus_block = implode('', $old_corpus);
+    $old_corpus_block = implode("\n", $old_corpus);
 
     $new_corpus = array();
     foreach ($this->new as $n) {
@@ -576,7 +581,7 @@ final class DifferentialChangesetParser {
         $new_corpus[] = $n['text'];
       }
     }
-    $new_corpus_block = implode('', $new_corpus);
+    $new_corpus_block = implode("\n", $new_corpus);
 
     $this->markGenerated($new_corpus_block);
 
@@ -595,7 +600,6 @@ final class DifferentialChangesetParser {
       'old' => $old_corpus_block,
       'new' => $new_corpus_block,
     );
-
     $this->highlightErrors = false;
     foreach (Futures($futures) as $key => $future) {
       try {
@@ -816,14 +820,6 @@ final class DifferentialChangesetParser {
   }
 
   protected function getHighlightFuture($corpus) {
-    if (preg_match('/\r(?!\n)/', $corpus)) {
-      // TODO: Pygments converts "\r" newlines into "\n" newlines, so we can't
-      // use it on files with "\r" newlines. If we have "\r" not followed by
-      // "\n" in the file, skip highlighting.
-      $result = phutil_escape_html($corpus);
-      return new ImmediateFuture($result);
-    }
-
     return $this->highlightEngine->getHighlightFuture(
       $this->highlightEngine->getLanguageFromFilename($this->filename),
       $corpus);
@@ -831,7 +827,7 @@ final class DifferentialChangesetParser {
 
   protected function processHighlightedSource($data, $result) {
 
-    $result_lines = phutil_split_lines($result);
+    $result_lines = explode("\n", $result);
     foreach ($data as $key => $info) {
       if (!$info) {
         unset($result_lines[$key]);
@@ -1778,20 +1774,13 @@ final class DifferentialChangesetParser {
       $notice = $this->renderChangeTypeHeader($this->changeset, false);
     }
 
-    $result = implode(
+    return implode(
       "\n",
       array(
         $notice,
         $props,
         $table,
       ));
-
-    // TODO: Let the user customize their tab width / display style.
-    $result = str_replace("\t", '  ', $result);
-
-    // TODO: We should possibly post-process "\r" as well.
-
-    return $result;
   }
 
   protected function renderChangeTypeHeader($changeset, $force) {