diff --git a/paddle/fluid/framework/data_set.cc b/paddle/fluid/framework/data_set.cc
index 62b28a8a0558e..691cf001f43f6 100644
--- a/paddle/fluid/framework/data_set.cc
+++ b/paddle/fluid/framework/data_set.cc
@@ -1479,26 +1479,6 @@ inline paddle::framework::ThreadPool* GetShufflePool(int thread_num) {
   }
   return thread_pool.get();
 }
-int PadBoxSlotDataset::GetMaxShuffleThreadId(void) {
-  double rate = static_cast<double>(shuffle_thread_num_) /
-                static_cast<double>(thread_num_);
-  int thread_num = static_cast<int>(rate * read_ins_ref_);
-  int half_num = static_cast<int>(shuffle_thread_num_ >> 1);
-  if (thread_num < half_num) {
-    return half_num;
-  }
-  return thread_num;
-}
-int PadBoxSlotDataset::GetMaxMergeThreadId(void) {
-  double rate =
-      static_cast<double>(merge_thread_num_) / static_cast<double>(thread_num_);
-  int half_num = static_cast<int>(merge_thread_num_ >> 1);
-  int thread_num = static_cast<int>(rate * read_ins_ref_);
-  if (thread_num < half_num) {
-    return half_num;
-  }
-  return thread_num;
-}
 void PadBoxSlotDataset::CheckThreadPool(void) {
   wait_futures_.clear();
   if (thread_pool_ != nullptr && merge_pool_ != nullptr) {
@@ -1880,6 +1860,7 @@ void PadBoxSlotDataset::ReceiveSuffleData(int client_id, const char* buf,
     --receiver_cnt_;
 
     if (finished_counter_ == 0) {
+      usleep(10000);
       while (receiver_cnt_ > 0) {
         usleep(100);
       }
diff --git a/paddle/fluid/framework/data_set.h b/paddle/fluid/framework/data_set.h
index c1c254df8e294..a9fbb1832bf53 100644
--- a/paddle/fluid/framework/data_set.h
+++ b/paddle/fluid/framework/data_set.h
@@ -401,8 +401,6 @@ class PadBoxSlotDataset : public DatasetImpl<SlotRecord> {
  protected:
   void MergeInsKeys(const Channel<SlotRecord>& in);
   void CheckThreadPool(void);
-  int GetMaxShuffleThreadId(void);
-  int GetMaxMergeThreadId(void);
 
  protected:
   Channel<SlotRecord> shuffle_channel_ = nullptr;