diff --git a/paddle/math/Allocator.h b/paddle/math/Allocator.h
index 7d277b1c10d2b498d9b3d7f78a93f079d75044e4..ca8eadbc1aa42265c1e505d41e1a134b0e7f19b9 100644
--- a/paddle/math/Allocator.h
+++ b/paddle/math/Allocator.h
@@ -48,14 +48,10 @@ public:
    * @return Pointer to the allocated memory
    */
   virtual void* alloc(size_t size) {
-    #if defined(__APPLE__) || defined(__OSX__)
-      return malloc(size);
-    #else
       void* ptr;
       posix_memalign(&ptr, 32ul, size);
       CHECK(ptr) << "Fail to allocate CPU memory: size=" << size;
       return ptr;
-    #endif
   }
 
   /**
diff --git a/paddle/math/tests/test_SIMDFunctions.cpp b/paddle/math/tests/test_SIMDFunctions.cpp
index 631d0516cf409fda7c20f1d9329328684854aedf..bae5d8c684d8920b738fcd1cda1bd831f2333605 100644
--- a/paddle/math/tests/test_SIMDFunctions.cpp
+++ b/paddle/math/tests/test_SIMDFunctions.cpp
@@ -24,7 +24,7 @@ limitations under the License. */
 #include <algorithm>
 #include <memory>
 
-#include <malloc.h>
+#include <stdlib.h>
 #include <time.h>
 
 static constexpr size_t VECTOR_LEN = 3072;
@@ -37,7 +37,9 @@ static std::mt19937 RandomEngine(time(0));
 
 inline static std::unique_ptr<float[]> NewVector(size_t len = VECTOR_LEN,
                                                  size_t align = ALIGN) {
-  return std::unique_ptr<float[]>((float*)memalign(align, len * sizeof(float)));
+  float* ptr;
+  posix_memalign((void**)&ptr, align, len * sizeof(float));
+  return std::unique_ptr<float[]>(ptr);
 }
 
 inline static std::unique_ptr<float[]> NewRandomVector(size_t len = VECTOR_LEN,
diff --git a/paddle/math/tests/test_perturbation.cpp b/paddle/math/tests/test_perturbation.cpp
index 4fa9bc72013da6a3d551854516e0f0d2fe5ee1ef..51e346fef91bf8dae7a5084ba8b2d86d9021650b 100644
--- a/paddle/math/tests/test_perturbation.cpp
+++ b/paddle/math/tests/test_perturbation.cpp
@@ -249,4 +249,9 @@ TEST_F(PerturbationTest, scale_test) {
   }
 }
 
+int main(int argc, char** argv) {
+  testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}
+
 #endif
diff --git a/paddle/parameter/tests/test_common.cpp b/paddle/parameter/tests/test_common.cpp
index 3db96ccf941e3b0687b6e010b21b7f68faca364b..4f92aec1d967169e2c27579b8a95941c029a3e49 100644
--- a/paddle/parameter/tests/test_common.cpp
+++ b/paddle/parameter/tests/test_common.cpp
@@ -13,7 +13,7 @@ See the License for the specific language governing permissions and
 limitations under the License. */
 
 
-#include <malloc.h>
+#include <stdlib.h>
 #include <paddle/utils/Util.h>
 
 #include <gtest/gtest.h>
@@ -124,9 +124,11 @@ void CommonTest::test_sgdUpadate(real* gradientBuffer, real* valueBuffer,
 TEST_F(CommonTest, sgdUpdate) {
   const size_t alignHeader[] = {0, 2, 3, 5, 7, 8};
   for (auto& size : sizeVec_) {
-    real* gradientBuffer = (real*)memalign(32, sizeof(real) * size);
-    real* valueBuffer = (real*)memalign(32, sizeof(real) * size);
-    real* momentumBuffer = (real*)memalign(32, sizeof(real) * size);
+    real *gradientBuffer, *valueBuffer, *momentumBuffer;
+    posix_memalign((void**)&gradientBuffer, 32, sizeof(real) * size);
+    posix_memalign((void**)&valueBuffer, 32, sizeof(real) * size);
+    posix_memalign((void**)&momentumBuffer, 32, sizeof(real) * size);
+
     for (size_t i = 0; i < size; i++) {
       gradientBuffer[i] = 1.0;
       valueBuffer[i] = 2.0;
diff --git a/paddle/utils/tests/test_StringUtils.cpp b/paddle/utils/tests/test_StringUtils.cpp
index b8636709e9b42c7baa5d0106492ab6c0782ed6d4..95290005ae98384d3b040815f64309bb74fe8b81 100644
--- a/paddle/utils/tests/test_StringUtils.cpp
+++ b/paddle/utils/tests/test_StringUtils.cpp
@@ -22,3 +22,8 @@ TEST(StringUtil, to) {
   ASSERT_DEATH(paddle::str::to<double>("12.45x23"), ".*");
   ASSERT_DEATH(paddle::str::to<int>(""), ".*");
 }
+
+int main(int argc, char** argv) {
+  testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}