diff --git a/reactos/include/ddk/ntddndis.h b/reactos/include/ddk/ntddndis.h
index c06f7becf8b..0720c174c4b 100644
--- a/reactos/include/ddk/ntddndis.h
+++ b/reactos/include/ddk/ntddndis.h
@@ -23,8 +23,6 @@
 #ifndef __NTDDNDIS_H
 #define __NTDDNDIS_H
 
-#pragma pack(push,4)
-
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -300,8 +298,6 @@ typedef enum _NDIS_PHYSICAL_MEDIUM
                                                METHOD_OUT_DIRECT,            \
                                                FILE_ANY_ACCESS)
 
-#pragma pack(pop)
-
 #ifdef __cplusplus
 }
 #endif