diff --git a/include/msvc_compat/windows_extra.h b/include/msvc_compat/windows_extra.h
index 0c5e323f..3008faa3 100644
--- a/include/msvc_compat/windows_extra.h
+++ b/include/msvc_compat/windows_extra.h
@@ -1,26 +1,6 @@
 #ifndef MSVC_COMPAT_WINDOWS_EXTRA_H
 #define	MSVC_COMPAT_WINDOWS_EXTRA_H
 
-#ifndef ENOENT
-#  define ENOENT ERROR_PATH_NOT_FOUND
-#endif
-#ifndef EINVAL
-#  define EINVAL ERROR_BAD_ARGUMENTS
-#endif
-#ifndef EAGAIN
-#  define EAGAIN ERROR_OUTOFMEMORY
-#endif
-#ifndef EPERM
-#  define EPERM  ERROR_WRITE_FAULT
-#endif
-#ifndef EFAULT
-#  define EFAULT ERROR_INVALID_ADDRESS
-#endif
-#ifndef ENOMEM
-#  define ENOMEM ERROR_NOT_ENOUGH_MEMORY
-#endif
-#ifndef ERANGE
-#  define ERANGE ERROR_INVALID_DATA
-#endif
+#include <errno.h>
 
 #endif /* MSVC_COMPAT_WINDOWS_EXTRA_H */