diff --git a/cpp/velox/operators/reader/FileReaderIterator.cc b/cpp/velox/operators/reader/FileReaderIterator.cc
index 9e14a760c47c..9528763fbc77 100644
--- a/cpp/velox/operators/reader/FileReaderIterator.cc
+++ b/cpp/velox/operators/reader/FileReaderIterator.cc
@@ -41,7 +41,7 @@ std::shared_ptr<gluten::ResultIterator> FileReaderIterator::getInputIteratorFrom
           std::make_unique<ParquetBufferedReaderIterator>(path, batchSize, pool));
     }
   }
-  throw new GlutenException("Unreachable.");
+  throw GlutenException("Unreachable.");
 }
 
 } // namespace gluten