diff --git a/tools/flattener/main.js b/tools/flattener/main.js
index c603126..50a831b 100644
--- a/tools/flattener/main.js
+++ b/tools/flattener/main.js
@@ -115,11 +115,6 @@ program
           path.join(inputDir, 'flattened-codebase.xml'),
         );
       }
-    } else {
-      console.error(
-        'Could not auto-detect a project root and no arguments were provided. Please specify -i/--input and -o/--output.',
-      );
-      process.exit(1);
     }
 
     // Ensure output directory exists