diff --git a/pthread.h b/pthread.h
index 436ea8b..c2502cc 100644
--- a/pthread.h
+++ b/pthread.h
@@ -315,13 +315,6 @@ enum {
 
 #if !defined(HAVE_STRUCT_TIMESPEC)
 #define HAVE_STRUCT_TIMESPEC
-#if !defined(_TIMESPEC_DEFINED)
-#define _TIMESPEC_DEFINED
-struct timespec {
-        time_t tv_sec;
-        long tv_nsec;
-};
-#endif /* _TIMESPEC_DEFINED */
 #endif /* HAVE_STRUCT_TIMESPEC */
 
 #if !defined(SIG_BLOCK)