diff --git a/src/boost-1-fixes.patch b/src/boost-1-fixes.patch
deleted file mode 100644
index 2ec45759..00000000
--- a/src/boost-1-fixes.patch
+++ /dev/null
@@ -1,44 +0,0 @@
-This file is part of mingw-cross-env.
-See doc/index.html for further information.
-
-These patches have been taken from:
-https://svn.boost.org/trac/boost/changeset/66006
-https://svn.boost.org/trac/boost/changeset/66140
-
---- trunk/boost/asio/error.hpp	(revision 62499)
-+++ trunk/boost/asio/error.hpp	(revision 66006)
-@@ -20,5 +20,5 @@
- #include <boost/system/error_code.hpp>
- #if defined(BOOST_WINDOWS) || defined(__CYGWIN__)
--# include <WinError.h>
-+# include <winerror.h>
- #else
- # include <cerrno>
---- trunk/libs/thread/src/win32/tss_pe.cpp	(revision 62718)
-+++ trunk/libs/thread/src/win32/tss_pe.cpp	(revision 66140)
-@@ -39,4 +39,10 @@
- }
- 
-+#if (__MINGW32_MAJOR_VERSION >3) || ((__MINGW32_MAJOR_VERSION==3) && (__MINGW32_MINOR_VERSION>=18))
-+extern "C"
-+{
-+    PIMAGE_TLS_CALLBACK __crt_xl_tls_callback__ __attribute__ ((section(".CRT$XLB"))) = on_tls_callback;
-+}
-+#else
- extern "C" {
- 
-@@ -51,8 +57,6 @@
- 
-     PIMAGE_TLS_CALLBACK __crt_xl_start__ __attribute__ ((section(".CRT$XLA"))) = 0;
--    PIMAGE_TLS_CALLBACK __crt_xl_tls_callback__ __attribute__ ((section(".CRT$XLB"))) = on_tls_callback;
-     PIMAGE_TLS_CALLBACK __crt_xl_end__ __attribute__ ((section(".CRT$XLZ"))) = 0;
- }
--
- extern "C" const IMAGE_TLS_DIRECTORY32 _tls_used __attribute__ ((section(".rdata$T"))) =
- {
-@@ -64,4 +68,5 @@
-         (DWORD) 0
- };
-+#endif
- 
-