diff --git a/paddle/operators/prelu_op.h b/paddle/operators/prelu_op.h
index a98d4898396959613dede83861aef2277e49ff57..d3d8f76e5a7f1c8e086e0e3c48a8f0766b310f4c 100644
--- a/paddle/operators/prelu_op.h
+++ b/paddle/operators/prelu_op.h
@@ -21,9 +21,6 @@ namespace paddle {
 namespace operators {
 
 using Tensor = framework::Tensor;
-template <typename T, int MajorType = Eigen::RowMajor,
-          typename IndexType = Eigen::DenseIndex>
-using EigenVector = framework::EigenVector<T, MajorType, IndexType>;
 using platform::Transform;
 
 template <typename T>