diff --git a/src/applications/differential/render/DifferentialChangesetRenderer.php b/src/applications/differential/render/DifferentialChangesetRenderer.php
index 2aae7bf1cd..450d160e23 100644
--- a/src/applications/differential/render/DifferentialChangesetRenderer.php
+++ b/src/applications/differential/render/DifferentialChangesetRenderer.php
@@ -626,6 +626,8 @@ abstract class DifferentialChangesetRenderer extends Phobject {
       unset($old['unix:filemode']);
     }
 
+    $metadata = $changeset->getMetadata();
+
     if ($this->hasOldFile()) {
       $file = $this->getOldFile();
       if ($file->getImageWidth()) {
@@ -634,6 +636,12 @@ abstract class DifferentialChangesetRenderer extends Phobject {
       }
       $old['file:mimetype'] = $file->getMimeType();
       $old['file:size'] = phutil_format_bytes($file->getByteSize());
+    } else {
+      $old['file:mimetype'] = idx($metadata, 'old:file:mime-type');
+      $size = idx($metadata, 'old:file:size');
+      if ($size !== null) {
+        $old['file:size'] = phutil_format_bytes($size);
+      }
     }
 
     if ($this->hasNewFile()) {
@@ -644,6 +652,12 @@ abstract class DifferentialChangesetRenderer extends Phobject {
       }
       $new['file:mimetype'] = $file->getMimeType();
       $new['file:size'] = phutil_format_bytes($file->getByteSize());
+    } else {
+      $new['file:mimetype'] = idx($metadata, 'new:file:mime-type');
+      $size = idx($metadata, 'new:file:size');
+      if ($size !== null) {
+        $new['file:size'] = phutil_format_bytes($size);
+      }
     }
 
     return array($old, $new);
diff --git a/src/applications/differential/render/DifferentialChangesetTestRenderer.php b/src/applications/differential/render/DifferentialChangesetTestRenderer.php
index 429dbeda0a..a0d1fad0eb 100644
--- a/src/applications/differential/render/DifferentialChangesetTestRenderer.php
+++ b/src/applications/differential/render/DifferentialChangesetTestRenderer.php
@@ -32,6 +32,13 @@ abstract class DifferentialChangesetTestRenderer
     $changeset = $this->getChangeset();
     list($old, $new) = $this->getChangesetProperties($changeset);
 
+    foreach (array_keys($old) as $key) {
+      if ($old[$key] === idx($new, $key)) {
+        unset($old[$key]);
+        unset($new[$key]);
+      }
+    }
+
     if (!$old && !$new) {
       return null;
     }