diff --git a/oneflow/core/job/job_conf.proto b/oneflow/core/job/job_conf.proto
index 993b6aa5ec7fa3798c3c47f64477c917945f941c..e6d65a0132ad397902858061d014cb3d91c300ca 100644
--- a/oneflow/core/job/job_conf.proto
+++ b/oneflow/core/job/job_conf.proto
@@ -11,7 +11,6 @@ message JobConf {
   string strategy_filepath = 3;
   string model_load_snapshot_path = 4;
   string model_save_snapshots_path = 5;
-  uint32 batch_size = 6;
   uint32 piece_size = 7;
   bool is_train = 8;
   FloatingPointType floating_point_type = 9;
diff --git a/oneflow/core/job/job_desc.cpp b/oneflow/core/job/job_desc.cpp
index ade6f7ce7a387ddd302c31781e7d26397737a38b..c04bc498b950d1585a8c0817d136b3ea90001543 100644
--- a/oneflow/core/job/job_desc.cpp
+++ b/oneflow/core/job/job_desc.cpp
@@ -10,7 +10,6 @@ void JobDesc::InitFromJobConf(const JobConf& conf) {
   ParseProtoFromTextFile(conf.strategy_filepath(), &strategy_);
   md_load_snapshot_path_ = conf.model_load_snapshot_path();
   md_save_snapshots_path_ = conf.model_save_snapshots_path();
-  batch_size_ = conf.batch_size();
   piece_size_ = conf.piece_size();
   is_train_ = conf.is_train();
   floating_point_type_ = conf.floating_point_type();
@@ -23,7 +22,6 @@ void JobDesc::InitFromProto(const JobDescProto& proto) {
   strategy_ = proto.strategy();
   md_load_snapshot_path_ = proto.model_load_snapshot_path();
   md_save_snapshots_path_ = proto.model_save_snapshots_path();
-  batch_size_ = proto.batch_size();
   piece_size_ = proto.piece_size();
   is_train_ = proto.is_train();
   floating_point_type_ = proto.floating_point_type();
@@ -35,7 +33,6 @@ void JobDesc::ToProto(JobDescProto* proto) const {
   *(proto->mutable_strategy()) = strategy_;
   *(proto->mutable_model_load_snapshot_path()) = md_load_snapshot_path_;
   *(proto->mutable_model_save_snapshots_path()) = md_save_snapshots_path_;
-  proto->set_batch_size(batch_size_);
   proto->set_piece_size(piece_size_);
   proto->set_is_train(is_train_);
   proto->set_floating_point_type(floating_point_type_);
diff --git a/oneflow/core/job/job_desc.h b/oneflow/core/job/job_desc.h
index b1db43d90080c768baed14eb9c92eb450b43253a..0be62dead42a2b731c733dc142d837d8c306c015 100644
--- a/oneflow/core/job/job_desc.h
+++ b/oneflow/core/job/job_desc.h
@@ -40,7 +40,6 @@ class JobDesc final {
   Strategy strategy_;
   std::string md_load_snapshot_path_;
   std::string md_save_snapshots_path_;
-  uint32_t batch_size_;
   uint32_t piece_size_;
   bool is_train_;
   FloatingPointType floating_point_type_;
diff --git a/oneflow/core/job/job_desc.proto b/oneflow/core/job/job_desc.proto
index 249bc1c84f66367f14911812279fcda43fbdc944..8361eeb634cc7fe4ffc68d182324a1ce55d7c671 100644
--- a/oneflow/core/job/job_desc.proto
+++ b/oneflow/core/job/job_desc.proto
@@ -12,7 +12,6 @@ message JobDescProto {
   Strategy strategy = 3;
   string model_load_snapshot_path = 4;
   string model_save_snapshots_path = 5;
-  uint32 batch_size = 6;
   uint32 piece_size = 7;
   bool is_train = 8;
   FloatingPointType floating_point_type = 9;