diff --git a/src/infrastructure/lint/linter/PhabricatorJavelinLinter.php b/src/infrastructure/lint/linter/PhabricatorJavelinLinter.php
--- a/src/infrastructure/lint/linter/PhabricatorJavelinLinter.php
+++ b/src/infrastructure/lint/linter/PhabricatorJavelinLinter.php
@@ -138,12 +138,6 @@
       }
     }
 
-    if ($this->getEngine()->getCommitHookMode()) {
-      // Don't do the dependency checks in commit-hook mode because we won't
-      // have an available working copy.
-      return;
-    }
-
     $external_classes = array();
     foreach ($uses as $symbol => $line) {
       $parts = explode('.', $symbol);