diff --git a/reactos/include/ddk/afilter.h b/reactos/include/ddk/afilter.h
index d8e457289ae..7997a7c9e81 100644
--- a/reactos/include/ddk/afilter.h
+++ b/reactos/include/ddk/afilter.h
@@ -23,10 +23,6 @@
 #ifndef _ARC_FILTER_DEFS_
 #define _ARC_FILTER_DEFS_
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/atm.h b/reactos/include/ddk/atm.h
index 423e7597de3..0ff43c38647 100644
--- a/reactos/include/ddk/atm.h
+++ b/reactos/include/ddk/atm.h
@@ -23,10 +23,6 @@
 #ifndef _ATM_H
 #define _ATM_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/batclass.h b/reactos/include/ddk/batclass.h
index 769bfe92fbd..084bbc26aa6 100644
--- a/reactos/include/ddk/batclass.h
+++ b/reactos/include/ddk/batclass.h
@@ -23,10 +23,6 @@
 #ifndef __BATCLASS_H
 #define __BATCLASS_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/cfg.h b/reactos/include/ddk/cfg.h
index a15dfb3c82b..d356be824a3 100644
--- a/reactos/include/ddk/cfg.h
+++ b/reactos/include/ddk/cfg.h
@@ -23,10 +23,6 @@
 #ifndef _CFG_INCLUDED_
 #define _CFG_INCLUDED_
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/cfgmgr32.h b/reactos/include/ddk/cfgmgr32.h
index dd0904d778d..5fdfb1a3e27 100644
--- a/reactos/include/ddk/cfgmgr32.h
+++ b/reactos/include/ddk/cfgmgr32.h
@@ -23,10 +23,6 @@
 #ifndef _CFGMGR32_H_
 #define _CFGMGR32_H_
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #include "cfg.h"
 
 #ifdef __cplusplus
diff --git a/reactos/include/ddk/d4drvif.h b/reactos/include/ddk/d4drvif.h
index 15debe7e584..ee6a18523ce 100644
--- a/reactos/include/ddk/d4drvif.h
+++ b/reactos/include/ddk/d4drvif.h
@@ -23,10 +23,6 @@
 #ifndef __D4DRVIF_H
 #define __D4DRVIF_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #include "d4iface.h"
 
 #ifdef __cplusplus
diff --git a/reactos/include/ddk/hidclass.h b/reactos/include/ddk/hidclass.h
index 172d987d291..9dd219412ee 100644
--- a/reactos/include/ddk/hidclass.h
+++ b/reactos/include/ddk/hidclass.h
@@ -23,10 +23,6 @@
 #ifndef __HIDCLASS_H
 #define __HIDCLASS_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #include "hidpi.h"
 
 #ifdef __cplusplus
diff --git a/reactos/include/ddk/hidpi.h b/reactos/include/ddk/hidpi.h
index 3c19e36816f..68b1dc1eff2 100644
--- a/reactos/include/ddk/hidpi.h
+++ b/reactos/include/ddk/hidpi.h
@@ -23,10 +23,6 @@
 #ifndef __HIDPI_H
 #define __HIDPI_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #include "hidusage.h"
 
 #ifdef __cplusplus
diff --git a/reactos/include/ddk/hidusage.h b/reactos/include/ddk/hidusage.h
index 1f82af98d85..1827c19dcec 100644
--- a/reactos/include/ddk/hidusage.h
+++ b/reactos/include/ddk/hidusage.h
@@ -23,10 +23,6 @@
 #ifndef __HIDUSAGE_H
 #define __HIDUSAGE_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/ide.h b/reactos/include/ddk/ide.h
index b3e0e0692cf..83da58a5948 100644
--- a/reactos/include/ddk/ide.h
+++ b/reactos/include/ddk/ide.h
@@ -23,10 +23,6 @@
 #ifndef __IDE_H
 #define __IDE_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/ioaccess.h b/reactos/include/ddk/ioaccess.h
index 51537bea7be..f9776bfdc36 100755
--- a/reactos/include/ddk/ioaccess.h
+++ b/reactos/include/ddk/ioaccess.h
@@ -19,10 +19,6 @@
 #ifndef __IOACCESS_H
 #define __IOACCESS_H
 
-#if __GNUC__ >= 3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/mcd.h b/reactos/include/ddk/mcd.h
index cc76de2e0b0..f3b2455c013 100644
--- a/reactos/include/ddk/mcd.h
+++ b/reactos/include/ddk/mcd.h
@@ -23,10 +23,6 @@
 #ifndef __MCD_H
 #define __MCD_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #include "srb.h"
 #include "scsi.h"
 #include "ntddchgr.h"
diff --git a/reactos/include/ddk/miniport.h b/reactos/include/ddk/miniport.h
index e492bc4ca1d..bd953cfd8be 100644
--- a/reactos/include/ddk/miniport.h
+++ b/reactos/include/ddk/miniport.h
@@ -23,10 +23,6 @@
 #ifndef __MINIPORT_H
 #define __MINIPORT_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/minitape.h b/reactos/include/ddk/minitape.h
index 07c87a0129c..f1d2b224087 100644
--- a/reactos/include/ddk/minitape.h
+++ b/reactos/include/ddk/minitape.h
@@ -22,10 +22,6 @@
 #ifndef __MINITAPE_H
 #define __MINITAPE_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/ndis.h b/reactos/include/ddk/ndis.h
index 66894fce825..10d8855fb2a 100644
--- a/reactos/include/ddk/ndis.h
+++ b/reactos/include/ddk/ndis.h
@@ -32,10 +32,6 @@
 #ifndef __NDIS_H
 #define __NDIS_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #include "ntddk.h"
 #include "ntddndis.h"
 #include "netpnp.h"
diff --git a/reactos/include/ddk/ndisguid.h b/reactos/include/ddk/ndisguid.h
index 27b8777bfb5..a5679a1c6c3 100644
--- a/reactos/include/ddk/ndisguid.h
+++ b/reactos/include/ddk/ndisguid.h
@@ -23,10 +23,6 @@
 #ifndef __NDISGUID_H
 #define __NDISGUID_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/ndistapi.h b/reactos/include/ddk/ndistapi.h
index 09aa3d03ef4..2b432fc7bfb 100644
--- a/reactos/include/ddk/ndistapi.h
+++ b/reactos/include/ddk/ndistapi.h
@@ -23,10 +23,6 @@
 #ifndef __NDISTAPI_H
 #define __NDISTAPI_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #include "ndis.h"
 
 #ifdef __cplusplus
diff --git a/reactos/include/ddk/ndiswan.h b/reactos/include/ddk/ndiswan.h
index 89553b65495..df411e21993 100644
--- a/reactos/include/ddk/ndiswan.h
+++ b/reactos/include/ddk/ndiswan.h
@@ -23,10 +23,6 @@
 #ifndef __NDISWAN_H
 #define __NDISWAN_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #include "ndis.h"
 
 #ifdef __cplusplus
diff --git a/reactos/include/ddk/netevent.h b/reactos/include/ddk/netevent.h
index 0cf66e03217..9d4338cd594 100644
--- a/reactos/include/ddk/netevent.h
+++ b/reactos/include/ddk/netevent.h
@@ -23,10 +23,6 @@
 #ifndef __NETEVENT_H
 #define __NETEVENT_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #define EVENT_TRANSPORT_REGISTER_FAILED  0xC000232CL
 
 #define EVENT_TRANSPORT_ADAPTER_NOT_FOUND 0xC000232EL
diff --git a/reactos/include/ddk/newdev.h b/reactos/include/ddk/newdev.h
index 9e317790009..1c633ae582d 100644
--- a/reactos/include/ddk/newdev.h
+++ b/reactos/include/ddk/newdev.h
@@ -23,10 +23,6 @@
 #ifndef __NEWDEV_H
 #define __NEWDEV_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/ntagp.h b/reactos/include/ddk/ntagp.h
index d7d7411af7c..6776d2a1f82 100644
--- a/reactos/include/ddk/ntagp.h
+++ b/reactos/include/ddk/ntagp.h
@@ -23,10 +23,6 @@
 #ifndef __NTAGP_H
 #define __NTAGP_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #include "video.h"
 
 #ifdef __cplusplus
diff --git a/reactos/include/ddk/ntdd8042.h b/reactos/include/ddk/ntdd8042.h
index 99be12c1e4f..916d32254b7 100644
--- a/reactos/include/ddk/ntdd8042.h
+++ b/reactos/include/ddk/ntdd8042.h
@@ -23,10 +23,6 @@
 #ifndef __NTDD8042_H
 #define __NTDD8042_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #include "ntddkbd.h"
 #include "ntddmou.h"
 
diff --git a/reactos/include/ddk/ntddcdrm.h b/reactos/include/ddk/ntddcdrm.h
index e6204dc23d8..7fab5c42906 100644
--- a/reactos/include/ddk/ntddcdrm.h
+++ b/reactos/include/ddk/ntddcdrm.h
@@ -23,10 +23,6 @@
 #ifndef __NTDDCDRM_H
 #define __NTDDCDRM_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #include "ntddstor.h"
 
 #ifdef __cplusplus
diff --git a/reactos/include/ddk/ntddcdvd.h b/reactos/include/ddk/ntddcdvd.h
index 7df2b5f3f37..4169358fec9 100644
--- a/reactos/include/ddk/ntddcdvd.h
+++ b/reactos/include/ddk/ntddcdvd.h
@@ -23,10 +23,6 @@
 #ifndef __NTDDCDVD_H
 #define __NTDDCDVD_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #include "ntddstor.h"
 
 #ifdef __cplusplus
diff --git a/reactos/include/ddk/ntddchgr.h b/reactos/include/ddk/ntddchgr.h
index 082c4743549..0e9727505a8 100644
--- a/reactos/include/ddk/ntddchgr.h
+++ b/reactos/include/ddk/ntddchgr.h
@@ -23,10 +23,6 @@
 #ifndef __NTDDCHGR_H
 #define __NTDDCHGR_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #include "ntddstor.h"
 
 #ifdef __cplusplus
diff --git a/reactos/include/ddk/ntdddisk.h b/reactos/include/ddk/ntdddisk.h
index 707abb268b5..716609b7f98 100644
--- a/reactos/include/ddk/ntdddisk.h
+++ b/reactos/include/ddk/ntdddisk.h
@@ -23,10 +23,6 @@
 #ifndef __NTDDDISK_H
 #define __NTDDDISK_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #include "ntddstor.h"
 
 #ifdef __cplusplus
diff --git a/reactos/include/ddk/ntddkbd.h b/reactos/include/ddk/ntddkbd.h
index 56bc23acfb2..eb96245e0de 100644
--- a/reactos/include/ddk/ntddkbd.h
+++ b/reactos/include/ddk/ntddkbd.h
@@ -23,10 +23,6 @@
 #ifndef __NTDDKBD_H
 #define __NTDDKBD_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/ntddmou.h b/reactos/include/ddk/ntddmou.h
index a9a3ef4f1c7..a4b24606fdf 100644
--- a/reactos/include/ddk/ntddmou.h
+++ b/reactos/include/ddk/ntddmou.h
@@ -23,10 +23,6 @@
 #ifndef __NTDDMOU_H
 #define __NTDDMOU_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/ntddndis.h b/reactos/include/ddk/ntddndis.h
index 3371abac1a3..8fc75642ab0 100644
--- a/reactos/include/ddk/ntddndis.h
+++ b/reactos/include/ddk/ntddndis.h
@@ -23,10 +23,6 @@
 #ifndef __NTDDNDIS_H
 #define __NTDDNDIS_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #pragma pack(push,4)
 
 #ifdef __cplusplus
diff --git a/reactos/include/ddk/ntddpar.h b/reactos/include/ddk/ntddpar.h
index 360157651e6..917c7d82785 100644
--- a/reactos/include/ddk/ntddpar.h
+++ b/reactos/include/ddk/ntddpar.h
@@ -23,10 +23,6 @@
 #ifndef __NTDDPAR_H
 #define __NTDDPAR_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/ntddpcm.h b/reactos/include/ddk/ntddpcm.h
index af96a11f5cc..e2872e2e17c 100644
--- a/reactos/include/ddk/ntddpcm.h
+++ b/reactos/include/ddk/ntddpcm.h
@@ -23,10 +23,6 @@
 #ifndef __NTDDPCM_H
 #define __NTDDPCM_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/ntddscsi.h b/reactos/include/ddk/ntddscsi.h
index 0d434a24e48..5f925ef8433 100644
--- a/reactos/include/ddk/ntddscsi.h
+++ b/reactos/include/ddk/ntddscsi.h
@@ -23,10 +23,6 @@
 #ifndef __NTDDSCSI_H
 #define __NTDDSCSI_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/ntddser.h b/reactos/include/ddk/ntddser.h
index 6d00f1a9788..4e0e14ae5ed 100644
--- a/reactos/include/ddk/ntddser.h
+++ b/reactos/include/ddk/ntddser.h
@@ -23,10 +23,6 @@
 #ifndef __NTDDSER_H
 #define __NTDDSER_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/ntddstor.h b/reactos/include/ddk/ntddstor.h
index 5adbf88412c..870c8a2db6e 100644
--- a/reactos/include/ddk/ntddstor.h
+++ b/reactos/include/ddk/ntddstor.h
@@ -23,10 +23,6 @@
 #ifndef __NTDDSTOR_H
 #define __NTDDSTOR_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/ntddtape.h b/reactos/include/ddk/ntddtape.h
index 4ee7b05c9ad..d0deb5a8461 100644
--- a/reactos/include/ddk/ntddtape.h
+++ b/reactos/include/ddk/ntddtape.h
@@ -23,10 +23,6 @@
 #ifndef __NTDDTAPE_H
 #define __NTDDTAPE_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #include "ntddstor.h"
 
 #ifdef __cplusplus
diff --git a/reactos/include/ddk/ntddvdeo.h b/reactos/include/ddk/ntddvdeo.h
index 239a89a1253..94c4069985c 100644
--- a/reactos/include/ddk/ntddvdeo.h
+++ b/reactos/include/ddk/ntddvdeo.h
@@ -23,10 +23,6 @@
 #ifndef __NTDDVDEO_H
 #define __NTDDVDEO_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/ntddvol.h b/reactos/include/ddk/ntddvol.h
index 5472723c043..7898eeee815 100644
--- a/reactos/include/ddk/ntddvol.h
+++ b/reactos/include/ddk/ntddvol.h
@@ -23,10 +23,6 @@
 #ifndef __NTDDVOL_H
 #define __NTDDVOL_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/ntstatus.h b/reactos/include/ddk/ntstatus.h
index 5f87e376aad..7b00856c39f 100644
--- a/reactos/include/ddk/ntstatus.h
+++ b/reactos/include/ddk/ntstatus.h
@@ -23,10 +23,6 @@
 #ifndef _NTSTATUS_
 #define _NTSTATUS_
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/parallel.h b/reactos/include/ddk/parallel.h
index 57b5796b9c6..c024167762b 100644
--- a/reactos/include/ddk/parallel.h
+++ b/reactos/include/ddk/parallel.h
@@ -23,10 +23,6 @@
 #ifndef __PARALLEL_H
 #define __PARALLEL_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #include "ntddpar.h"
 
 #ifdef __cplusplus
diff --git a/reactos/include/ddk/pfhook.h b/reactos/include/ddk/pfhook.h
index cee3a537e94..d092d0768ac 100644
--- a/reactos/include/ddk/pfhook.h
+++ b/reactos/include/ddk/pfhook.h
@@ -23,10 +23,6 @@
 #ifndef __PFHOOK_H
 #define __PFHOOK_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/poclass.h b/reactos/include/ddk/poclass.h
index 79c2f60c44a..cf5a9c84404 100644
--- a/reactos/include/ddk/poclass.h
+++ b/reactos/include/ddk/poclass.h
@@ -23,10 +23,6 @@
 #ifndef __POCLASS_H
 #define __POCLASS_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #include "batclass.h"
 
 #ifdef __cplusplus
diff --git a/reactos/include/ddk/scsi.h b/reactos/include/ddk/scsi.h
index 5f047a63282..bf5f83631e9 100644
--- a/reactos/include/ddk/scsi.h
+++ b/reactos/include/ddk/scsi.h
@@ -23,10 +23,6 @@
 #ifndef _NTSCSI_
 #define _NTSCSI_
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/scsiscan.h b/reactos/include/ddk/scsiscan.h
index 5e4277dca51..f1e22a52d7f 100644
--- a/reactos/include/ddk/scsiscan.h
+++ b/reactos/include/ddk/scsiscan.h
@@ -23,10 +23,6 @@
 #ifndef __SCSISCAN_H
 #define __SCSISCAN_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/scsiwmi.h b/reactos/include/ddk/scsiwmi.h
index cdcd9cd64b3..feff7251bbc 100644
--- a/reactos/include/ddk/scsiwmi.h
+++ b/reactos/include/ddk/scsiwmi.h
@@ -23,10 +23,6 @@
 #ifndef __SCSIWMI_H
 #define __SCSIWMI_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #include "srb.h"
 
 #ifdef __cplusplus
diff --git a/reactos/include/ddk/smbus.h b/reactos/include/ddk/smbus.h
index cf996a8a613..0ce8d5d0d1e 100644
--- a/reactos/include/ddk/smbus.h
+++ b/reactos/include/ddk/smbus.h
@@ -23,10 +23,6 @@
 #ifndef __SMBUS_H
 #define __SMBUS_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/srb.h b/reactos/include/ddk/srb.h
index ac718ed1898..b03faa79627 100644
--- a/reactos/include/ddk/srb.h
+++ b/reactos/include/ddk/srb.h
@@ -23,10 +23,6 @@
 #ifndef __SRB_H
 #define __SRB_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/storport.h b/reactos/include/ddk/storport.h
index 7ac862433d2..359eeadfaf3 100644
--- a/reactos/include/ddk/storport.h
+++ b/reactos/include/ddk/storport.h
@@ -23,10 +23,6 @@
 #ifndef __STORPORT_H
 #define __STORPORT_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #include "srb.h"
 
 #ifdef __cplusplus
diff --git a/reactos/include/ddk/tdi.h b/reactos/include/ddk/tdi.h
index bd7ba648a07..3120070867d 100644
--- a/reactos/include/ddk/tdi.h
+++ b/reactos/include/ddk/tdi.h
@@ -23,10 +23,6 @@
 #ifndef __TDI_H
 #define __TDI_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #include "ntddtdi.h"
 #include "tdistat.h"
 #include "netpnp.h"
diff --git a/reactos/include/ddk/tdiinfo.h b/reactos/include/ddk/tdiinfo.h
index 4d686cc61f2..dd9d62fb452 100644
--- a/reactos/include/ddk/tdiinfo.h
+++ b/reactos/include/ddk/tdiinfo.h
@@ -23,10 +23,6 @@
 #ifndef __TDIINFO_H
 #define __TDIINFO_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/tdikrnl.h b/reactos/include/ddk/tdikrnl.h
index b0f05dd0752..2c366f6d2d7 100644
--- a/reactos/include/ddk/tdikrnl.h
+++ b/reactos/include/ddk/tdikrnl.h
@@ -23,10 +23,6 @@
 #ifndef __TDIKRNL_H
 #define __TDIKRNL_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #include "tdi.h"
 
 #ifdef __cplusplus
diff --git a/reactos/include/ddk/tdistat.h b/reactos/include/ddk/tdistat.h
index f0588d2579a..f145c30cf33 100644
--- a/reactos/include/ddk/tdistat.h
+++ b/reactos/include/ddk/tdistat.h
@@ -23,10 +23,6 @@
 #ifndef __TDISTAT_H
 #define __TDISTAT_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/tvout.h b/reactos/include/ddk/tvout.h
index d174bc3349e..d2e33c20aa0 100644
--- a/reactos/include/ddk/tvout.h
+++ b/reactos/include/ddk/tvout.h
@@ -24,10 +24,6 @@
 #define __TVOUT_H
 
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #if _MSC_VER > 1000
 #pragma once
 #endif
diff --git a/reactos/include/ddk/upssvc.h b/reactos/include/ddk/upssvc.h
index ca11f31bf04..11c0be3cf30 100644
--- a/reactos/include/ddk/upssvc.h
+++ b/reactos/include/ddk/upssvc.h
@@ -23,10 +23,6 @@
 #ifndef __UPSSVC_H
 #define __UPSSVC_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/usb100.h b/reactos/include/ddk/usb100.h
index ceaf6d589f7..16a474a2222 100644
--- a/reactos/include/ddk/usb100.h
+++ b/reactos/include/ddk/usb100.h
@@ -23,10 +23,6 @@
 #ifndef __USB100_H
 #define __USB100_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/usbcamdi.h b/reactos/include/ddk/usbcamdi.h
index 7c9bf0196d5..ae8026359e1 100644
--- a/reactos/include/ddk/usbcamdi.h
+++ b/reactos/include/ddk/usbcamdi.h
@@ -23,10 +23,6 @@
 #ifndef __USBCAMDI_H
 #define __USBCAMDI_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #if !defined(__USB_H) && !defined(__USBDI_H)
 #error include usb.h or usbdi.h before usbcamdi.h
 #else
diff --git a/reactos/include/ddk/usbdi.h b/reactos/include/ddk/usbdi.h
index 2ea8ba907ef..7dd565f07f0 100644
--- a/reactos/include/ddk/usbdi.h
+++ b/reactos/include/ddk/usbdi.h
@@ -23,10 +23,6 @@
 #ifndef __USBDI_H
 #define __USBDI_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __USB_H
 #error usb.h cannot be included with usbdi.h
 #else
diff --git a/reactos/include/ddk/usbioctl.h b/reactos/include/ddk/usbioctl.h
index 091701121f1..3d5457c7398 100644
--- a/reactos/include/ddk/usbioctl.h
+++ b/reactos/include/ddk/usbioctl.h
@@ -23,10 +23,6 @@
 #ifndef __USBIOCTL_H
 #define __USBIOCTL_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #include "usb100.h"
 #include "usbiodef.h"
 
diff --git a/reactos/include/ddk/usbscan.h b/reactos/include/ddk/usbscan.h
index 73a1c784438..8e61a7a736b 100644
--- a/reactos/include/ddk/usbscan.h
+++ b/reactos/include/ddk/usbscan.h
@@ -23,10 +23,6 @@
 #ifndef __USBSCAN_H
 #define __USBSCAN_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/usbuser.h b/reactos/include/ddk/usbuser.h
index 921de3e87c0..51af1baad48 100644
--- a/reactos/include/ddk/usbuser.h
+++ b/reactos/include/ddk/usbuser.h
@@ -23,10 +23,6 @@
 #ifndef __USBUSER_H
 #define __USBUSER_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #include "usb.h"
 #include "usbiodef.h"
 
diff --git a/reactos/include/ddk/video.h b/reactos/include/ddk/video.h
index 9ce8e93bb78..b19ecf627d9 100644
--- a/reactos/include/ddk/video.h
+++ b/reactos/include/ddk/video.h
@@ -23,10 +23,6 @@
 #ifndef __VIDEO_H
 #define __VIDEO_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __WINDDI_H
 #error winddi.h cannot be included with video.h
 #else
diff --git a/reactos/include/ddk/videoagp.h b/reactos/include/ddk/videoagp.h
index 078a9e7f089..396724417fb 100644
--- a/reactos/include/ddk/videoagp.h
+++ b/reactos/include/ddk/videoagp.h
@@ -23,10 +23,6 @@
 #ifndef __VIDEOAGP_H
 #define __VIDEOAGP_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #include "video.h"
 
 #ifdef __cplusplus
diff --git a/reactos/include/ddk/win2k.h b/reactos/include/ddk/win2k.h
index 82d3e10c64a..3bcde399b30 100644
--- a/reactos/include/ddk/win2k.h
+++ b/reactos/include/ddk/win2k.h
@@ -23,10 +23,6 @@
 #ifndef __WIN2K_H
 #define __WIN2K_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/winddi.h b/reactos/include/ddk/winddi.h
index e83e74e982f..97a7048a7cf 100644
--- a/reactos/include/ddk/winddi.h
+++ b/reactos/include/ddk/winddi.h
@@ -23,10 +23,6 @@
 #ifndef __WINDDI_H
 #define __WINDDI_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __VIDEO_H
 #error video.h cannot be included with winddi.h
 #else
diff --git a/reactos/include/ddk/winnt4.h b/reactos/include/ddk/winnt4.h
index 642a06ef5d9..483c3a43c0d 100644
--- a/reactos/include/ddk/winnt4.h
+++ b/reactos/include/ddk/winnt4.h
@@ -23,10 +23,6 @@
 #ifndef __WINNT4_H
 #define __WINNT4_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/winxp.h b/reactos/include/ddk/winxp.h
index 28e34a89ce4..8c7779c884d 100644
--- a/reactos/include/ddk/winxp.h
+++ b/reactos/include/ddk/winxp.h
@@ -23,10 +23,6 @@
 #ifndef __WINXP_H
 #define __WINXP_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/reactos/include/ddk/ws2san.h b/reactos/include/ddk/ws2san.h
index 3ec85c22f80..392085d7ce4 100644
--- a/reactos/include/ddk/ws2san.h
+++ b/reactos/include/ddk/ws2san.h
@@ -23,10 +23,6 @@
 #ifndef __WS2SAN_H
 #define __WS2SAN_H
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #include <winsock2.h>
 
 #ifdef __cplusplus
diff --git a/reactos/include/ddk/xfilter.h b/reactos/include/ddk/xfilter.h
index 2f322f0d05f..b4ad7bc3fc3 100644
--- a/reactos/include/ddk/xfilter.h
+++ b/reactos/include/ddk/xfilter.h
@@ -23,10 +23,6 @@
 #ifndef _X_FILTER_DEFS_
 #define _X_FILTER_DEFS_
 
-#if __GNUC__ >=3
-#pragma GCC system_header
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif