diff --git a/conf/default.conf.php b/conf/default.conf.php
index 6ee2c8ea36..19dd22e12b 100644
--- a/conf/default.conf.php
+++ b/conf/default.conf.php
@@ -605,6 +605,13 @@ return array(
   // interact with the revisions.
   'differential.anonymous-access' => false,
 
+  // List of file regexps that should be treated as if they are generated by
+  // an automatic process, and thus get hidden by default in differential
+  'differential.generated-paths' => array(
+    // '/config\.h$/',
+    // '#/autobuilt/#',
+  ),
+
 
 // -- Maniphest ------------------------------------------------------------- //
 
diff --git a/src/applications/differential/parser/changeset/DifferentialChangesetParser.php b/src/applications/differential/parser/changeset/DifferentialChangesetParser.php
index b1716e25b3..6ec3193481 100644
--- a/src/applications/differential/parser/changeset/DifferentialChangesetParser.php
+++ b/src/applications/differential/parser/changeset/DifferentialChangesetParser.php
@@ -508,6 +508,17 @@ class DifferentialChangesetParser {
 
     $generated_guess = (strpos($new_corpus_block, '@'.'generated') !== false);
 
+    if (!$generated_guess) {
+      $config_key = 'differential.generated-paths';
+      $generated_path_regexps = PhabricatorEnv::getEnvConfig($config_key);
+      foreach ($generated_path_regexps as $regexp) {
+        if (preg_match($regexp, $this->changeset->getFilename())) {
+          $generated_guess = true;
+          break;
+        }
+      }
+    }
+
     $event = new PhabricatorEvent(
       PhabricatorEventType::TYPE_DIFFERENTIAL_WILLMARKGENERATED,
       array(
diff --git a/src/applications/differential/parser/changeset/__init__.php b/src/applications/differential/parser/changeset/__init__.php
index 15d1a09dc3..75f3d0475a 100644
--- a/src/applications/differential/parser/changeset/__init__.php
+++ b/src/applications/differential/parser/changeset/__init__.php
@@ -15,6 +15,7 @@ phutil_require_module('phabricator', 'applications/differential/view/inlinecomme
 phutil_require_module('phabricator', 'applications/files/storage/file');
 phutil_require_module('phabricator', 'applications/markup/syntax');
 phutil_require_module('phabricator', 'infrastructure/diff/engine');
+phutil_require_module('phabricator', 'infrastructure/env');
 phutil_require_module('phabricator', 'infrastructure/events/constant/type');
 phutil_require_module('phabricator', 'infrastructure/events/event');
 phutil_require_module('phabricator', 'infrastructure/javelin/markup');