diff --git a/paddle/fluid/operators/reader/ctr_reader.cc b/paddle/fluid/operators/reader/ctr_reader.cc
index e8edbf6602c1f0609cf7976623d5b70bbc80180d..f08798794a2f9fc042800583cbc032d6f12bf3dc 100644
--- a/paddle/fluid/operators/reader/ctr_reader.cc
+++ b/paddle/fluid/operators/reader/ctr_reader.cc
@@ -310,8 +310,6 @@ void ReadCsvData(const DataDesc& data_desc, std::shared_ptr<Reader> reader,
         platform::CPUPlace());
     memcpy(label_tensor_data, batch_label.data(),
            batch_label.size() * sizeof(int64_t));
-    auto dim =
-        framework::make_ddim({static_cast<int64_t>(batch_label.size()), 1});
     lod_datas.push_back(label_tensor);
 
     // insert tensor for each dense_slots