diff --git a/dbms/include/DB/Common/SipHash.h b/dbms/include/DB/Common/SipHash.h
index 3ed015b3f08..3b2d5c6bb65 100644
--- a/dbms/include/DB/Common/SipHash.h
+++ b/dbms/include/DB/Common/SipHash.h
@@ -11,9 +11,8 @@
   * (~ 700 МБ/сек., 15 млн. строк в секунду)
   */
 
-#include <stdint.h>
-#include <cstdlib>
-#include <stddef.h>
+#include <cstdint>
+#include <cstddef>
 
 #define ROTL(x,b) (u64)( ((x) << (b)) | ( (x) >> (64 - (b))) )