diff --git a/paddle/math/tests/PerfUtils.h b/paddle/math/tests/PerfUtils.h
index 51e46bb62d9fb69681c566c813ccc9aa42d6d9eb..c32f4c634a691d5d747157d1d6d50406fdb99c3b 100644
--- a/paddle/math/tests/PerfUtils.h
+++ b/paddle/math/tests/PerfUtils.h
@@ -22,6 +22,7 @@ limitations under the License. */
 #else
 
 #include "paddle/utils/Stat.h"
+using namespace paddle;  // NOLINT
 
 #define EXPRESSION_PERFORMANCE(expression)                             \
   do {                                                                 \
diff --git a/paddle/math/tests/test_Tensor.cu b/paddle/math/tests/test_Tensor.cu
index 343e0631f60238780ce5bda21b108cfcb7e2a56e..8fa402055a6fa5963101b9e7b5c9d266161c9f78 100644
--- a/paddle/math/tests/test_Tensor.cu
+++ b/paddle/math/tests/test_Tensor.cu
@@ -16,8 +16,13 @@ limitations under the License. */
 #include "paddle/math/Matrix.h"
 #include "TensorCheck.h"
 
-using namespace paddle;  // NOLINT
-using namespace std;     // NOLINT
+using paddle::Matrix;
+using paddle::CpuMatrix;
+using paddle::GpuMatrix;
+using paddle::CpuVector;
+using paddle::GpuVector;
+using paddle::CpuIVector;
+using paddle::GpuIVector;
 using autotest::TensorCheckEqual;
 using autotest::TensorCheckErr;
 
diff --git a/paddle/math/tests/test_lazyAssign.cu b/paddle/math/tests/test_lazyAssign.cu
index de76976620b67c061f714fda9719b3d4418ec868..52dfdacffe3b915db07eb04bad7b8d45c7ccf44e 100644
--- a/paddle/math/tests/test_lazyAssign.cu
+++ b/paddle/math/tests/test_lazyAssign.cu
@@ -18,8 +18,9 @@ limitations under the License. */
 #include "TensorCheck.h"
 #include "PerfUtils.h"
 
-using namespace paddle;  // NOLINT
-using namespace std;     // NOLINT
+using paddle::BaseMatrix;
+using paddle::CpuMatrix;
+using paddle::GpuMatrix;
 using autotest::TensorCheckEqual;
 using autotest::TensorCheckErr;