diff --git a/mingw-w64-headers-1.0b.20100818-namelessunion.patch b/mingw-w64-headers-1.0b.20100818-namelessunion.patch
deleted file mode 100644
index ae3059e..0000000
--- a/mingw-w64-headers-1.0b.20100818-namelessunion.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- include/winnt.h	(revision 3516)
-+++ include/winnt.h	(revision 3517)
-@@ -3121,7 +3121,7 @@
-       __MINGW_EXTENSION union {
- 	PVOID FiberData;
- 	DWORD Version;
--      } DUMMYUNIONNAME;
-+      };
-       PVOID ArbitraryUserPointer;
-       struct _NT_TIB *Self;
-     } NT_TIB;
diff --git a/mingw-w64-headers-1.0b.20100818-uow.patch b/mingw-w64-headers-1.0b.20100818-uow.patch
deleted file mode 100644
index 43ef03d..0000000
--- a/mingw-w64-headers-1.0b.20100818-uow.patch
+++ /dev/null
@@ -1,80 +0,0 @@
---- mingw-w64-headers-1.0b.20100818/ddk/include/ddk/wdm.h	2010-08-16 22:18:25.000000000 +0200
-+++ mingw-w64-headers-1.0b.20100818/ddk/include/ddk/wdm.h	2010-09-06 09:06:31.000000000 +0200
-@@ -56,7 +56,11 @@
- #endif /* _MAC */
- 
- #ifndef _KTMTYPES_
-+#ifdef _MSC_VER
- typedef GUID UOW, *PUOW;
-+#else
-+typedef GUID *PUOW;
-+#endif
- #endif
- 
- typedef GUID *PGUID;
-@@ -14960,10 +14964,10 @@
- } ENLISTMENT_INFORMATION_CLASS;
- 
- typedef struct _TRANSACTION_LIST_ENTRY {
--#if defined(__cplusplus)
--  ::UOW UOW;
--#else
-+#ifdef _MSC_VER
-   UOW UOW;
-+#else
-+  GUID UOW;
- #endif
- } TRANSACTION_LIST_ENTRY, *PTRANSACTION_LIST_ENTRY;
- 
---- mingw-w64-headers-1.0b.20100818/include/ktmtypes.h	2010-08-17 10:51:42.000000000 +0200
-+++ mingw-w64-headers-1.0b.20100818/include/ktmtypes.h	2010-09-06 09:06:31.000000000 +0200
-@@ -92,7 +92,11 @@
- #define MAX_RESOURCEMANAGER_DESCRIPTION_LENGTH  64
- 
- #ifndef _WDMDDK_
-+#ifdef _MSC_VER
- typedef GUID UOW, *PUOW;
-+#else
-+typedef GUID *PUOW;
-+#endif
- #endif
- 
- typedef GUID CRM_PROTOCOL_ID, *PCRM_PROTOCOL_ID;
-@@ -126,7 +130,11 @@
- 
- typedef struct _TRANSACTION_NOTIFICATION_PROPAGATE_ARGUMENT {
-   ULONG PropagationCookie;
-+#ifdef _MSC_VER
-+  UOW UOW;
-+#else
-   GUID UOW;
-+#endif
-   GUID TmIdentity;
-   ULONG BufferLength;
- } TRANSACTION_NOTIFICATION_PROPAGATE_ARGUMENT, *PTRANSACTION_NOTIFICATION_PROPAGATE_ARGUMENT,
-@@ -134,7 +142,11 @@
- 
- typedef struct _TRANSACTION_NOTIFICATION_MARSHAL_ARGUMENT {
-   ULONG MarshalCookie;
-+#ifdef _MSC_VER
-+  UOW UOW;
-+#else
-   GUID UOW;
-+#endif
- } TRANSACTION_NOTIFICATION_MARSHAL_ARGUMENT, *PTRANSACTION_NOTIFICATION_MARSHAL_ARGUMENT;
- 
- typedef struct _KCRM_MARSHAL_HEADER {
-@@ -145,10 +157,10 @@
- } KCRM_MARSHAL_HEADER, *PKCRM_MARSHAL_HEADER, *RESTRICTED_POINTER PRKCRM_MARSHAL_HEADER;
- 
- typedef struct _KCRM_TRANSACTION_BLOB {
--#if defined(__cplusplus)
--  ::UOW UOW;
--#else
-+#ifdef _MSC_VER
-   UOW UOW;
-+#else
-+  GUID UOW;
- #endif
-   GUID TmIdentity;
-   ULONG IsolationLevel;
diff --git a/mingw-w64-headers-1.0b.20100818.tar.bz2 b/mingw-w64-headers-1.0b.20100818.tar.bz2
deleted file mode 100644
index 10355be..0000000
--- a/mingw-w64-headers-1.0b.20100818.tar.bz2
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:d838ed451a5c5f0ea10a4476129eb7e2a83fea25538f6b67cc6467cb0875aeb7
-size 3224850
diff --git a/mingw-w64-headers-1.0b.20110505.tar.bz2 b/mingw-w64-headers-1.0b.20110505.tar.bz2
new file mode 100644
index 0000000..44d1c32
--- /dev/null
+++ b/mingw-w64-headers-1.0b.20110505.tar.bz2
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cba9abd79cca788bd8306056343a258be402a7a17fc7af2b006c5b426d26adb0
+size 3288915
diff --git a/mingw64-headers.spec b/mingw64-headers.spec
index b1bb0ea..3204dcd 100644
--- a/mingw64-headers.spec
+++ b/mingw64-headers.spec
@@ -1,7 +1,7 @@
 %define __os_install_post /usr/lib/rpm/brp-compress %{nil}
 
 Name:           mingw64-headers
-Version:        1.0b.20100818
+Version:        1.0b.20110505
 Release:        0
 Summary:        MinGW-W64 headers for win32 and win64
 
@@ -11,8 +11,6 @@ URL:            http://www.mingw.org/
 
 Source0:        mingw-w64-headers-%{version}.tar.bz2
 Source1000:     %{name}-rpmlintrc
-Patch0:         mingw-w64-headers-1.0b.20100818-uow.patch
-Patch1:         mingw-w64-headers-1.0b.20100818-namelessunion.patch
 
 BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
@@ -27,8 +25,6 @@ MinGW Win64 headers.
 
 %prep
 %setup -q -n mingw-w64-headers-%{version}
-%patch0 -p1
-%patch1 -p0
 
 %build
 ./configure --host=%{_mingw64_target} \