diff --git a/paddle/optimizer/Tensor_test.cpp b/paddle/optimizer/Tensor_test.cpp
index b6a808d6e84adca8601f4d8df96c5d9b65426cdf..cdf733093235871ca2fdda36232a8dcdd9e22ba3 100644
--- a/paddle/optimizer/Tensor_test.cpp
+++ b/paddle/optimizer/Tensor_test.cpp
@@ -1,4 +1,3 @@
-#include <iostream>
 #include "gtest/gtest.h"
 #include "tensor.h"