diff --git a/cpp/velox/shuffle/VeloxShuffleReader.cc b/cpp/velox/shuffle/VeloxShuffleReader.cc
index a352e63fb09..bfe11ef3e9f 100644
--- a/cpp/velox/shuffle/VeloxShuffleReader.cc
+++ b/cpp/velox/shuffle/VeloxShuffleReader.cc
@@ -444,22 +444,16 @@ VeloxHashShuffleReaderDeserializer::VeloxHashShuffleReaderDeserializer(
     const std::shared_ptr<arrow::Schema>& schema,
     const std::shared_ptr<arrow::util::Codec>& codec,
     const facebook::velox::RowTypePtr& rowType,
-    int32_t batchSize,
     int64_t readerBufferSize,
     VeloxMemoryManager* memoryManager,
-    std::vector<bool>* isValidityBuffer,
-    bool hasComplexType,
     int64_t& deserializeTime,
     int64_t& decompressTime)
     : streamReader_(streamReader),
       schema_(schema),
       codec_(codec),
       rowType_(rowType),
-      batchSize_(batchSize),
       readerBufferSize_(readerBufferSize),
       memoryManager_(memoryManager),
-      isValidityBuffer_(isValidityBuffer),
-      hasComplexType_(hasComplexType),
       deserializeTime_(deserializeTime),
       decompressTime_(decompressTime) {}
 
@@ -838,11 +832,8 @@ std::unique_ptr<ColumnarBatchIterator> VeloxShuffleReaderDeserializerFactory::cr
           schema_,
           codec_,
           rowType_,
-          batchSize_,
           readerBufferSize_,
           memoryManager_,
-          &isValidityBuffer_,
-          hasComplexType_,
           deserializeTime_,
           decompressTime_);
     case ShuffleWriterType::kSortShuffle:
diff --git a/cpp/velox/shuffle/VeloxShuffleReader.h b/cpp/velox/shuffle/VeloxShuffleReader.h
index 26a1634f4d6..f30595dde45 100644
--- a/cpp/velox/shuffle/VeloxShuffleReader.h
+++ b/cpp/velox/shuffle/VeloxShuffleReader.h
@@ -34,11 +34,8 @@ class VeloxHashShuffleReaderDeserializer final : public ColumnarBatchIterator {
       const std::shared_ptr<arrow::Schema>& schema,
       const std::shared_ptr<arrow::util::Codec>& codec,
       const facebook::velox::RowTypePtr& rowType,
-      int32_t batchSize,
       int64_t readerBufferSize,
       VeloxMemoryManager* memoryManager,
-      std::vector<bool>* isValidityBuffer,
-      bool hasComplexType,
       int64_t& deserializeTime,
       int64_t& decompressTime);
 
@@ -53,20 +50,15 @@ class VeloxHashShuffleReaderDeserializer final : public ColumnarBatchIterator {
   std::shared_ptr<arrow::Schema> schema_;
   std::shared_ptr<arrow::util::Codec> codec_;
   facebook::velox::RowTypePtr rowType_;
-  int32_t batchSize_;
   int64_t readerBufferSize_;
   VeloxMemoryManager* memoryManager_;
 
-  std::vector<bool>* isValidityBuffer_;
-  bool hasComplexType_;
-
   int64_t& deserializeTime_;
   int64_t& decompressTime_;
 
   std::shared_ptr<arrow::io::InputStream> in_{nullptr};
 
   bool reachedEos_{false};
-  bool blockTypeResolved_{false};
 
   std::vector<int32_t> dictionaryFields_{};
   std::vector<facebook::velox::VectorPtr> dictionaries_{};