diff --git a/crypto/sm2/sm2_standard_exch.c b/crypto/sm2/sm2_standard_exch.c
index 4c9bcb72..3209daf8 100644
--- a/crypto/sm2/sm2_standard_exch.c
+++ b/crypto/sm2/sm2_standard_exch.c
@@ -49,7 +49,6 @@
  */
 
 
-#include <malloc.h>
 #include <openssl/mirdef.h>
 #include <openssl/miracl.h>
 #include <openssl/sm2_standard.h>
diff --git a/include/openssl/sm2_standard.h b/include/openssl/sm2_standard.h
index f52f801a..829f9c14 100644
--- a/include/openssl/sm2_standard.h
+++ b/include/openssl/sm2_standard.h
@@ -52,7 +52,8 @@
 
 
 #include <string.h>
-#include <malloc.h>
+#include <stdlib.h>
+#include <stdio.h>