diff --git a/paddle/operators/math/math_function.cc b/paddle/operators/math/math_function.cc
index 75a705b3460dfeaa5f2d4b1ea0f54c491160783f..306612b65fa38db31f2f37efd967c8a8610d8a30 100644
--- a/paddle/operators/math/math_function.cc
+++ b/paddle/operators/math/math_function.cc
@@ -13,7 +13,6 @@ See the License for the specific language governing permissions and
 limitations under the License. */
 
 #include "paddle/operators/math/math_function.h"
-#include <set>
 
 namespace paddle {
 namespace operators {