remove a unused variable.

microsoft · Jan 11, 2018 · 9e223c3 · 9e223c3
1 parent b6cb155
commit 9e223c3
Showing 1 changed file with 0 additions and 1 deletion.
diff --git a/src/metric/map_metric.hpp b/src/metric/map_metric.hpp
@@ -32,7 +32,6 @@ class MapMetric:public Metric {
   }
 
   void Init(const Metadata& metadata, data_size_t num_data) override {
-    std::stringstream str_buf;
     for (auto k : eval_at_) {
       name_.emplace_back(std::string("map@") + std::to_string(k));
     }