diff --git a/paddle/framework/operator.h b/paddle/framework/operator.h
index 10034c58e9d1777f14cc9896a2048ac899e64461..5f44972dd65766c39777952837ad2f53b1a03d56 100644
--- a/paddle/framework/operator.h
+++ b/paddle/framework/operator.h
@@ -63,6 +63,7 @@ class ExecutionContext;
  */
 class OperatorBase {
  public:
+  OperatorBase() {}  // TODO(yi): This constructor is to be removed.
   OperatorBase(const std::string& type, const std::vector<std::string>& inputs,
                const std::vector<std::string>& outputs,
                const AttributeMap& attrs,