Index: uspace/lib/c/include/time.h
===================================================================
--- uspace/lib/c/include/time.h	(revision 3446eadd2d23b367118bdbfaeba35489b10042fb)
+++ uspace/lib/c/include/time.h	(revision 92244ed108805fcd1a840b4108e80e0d5262fd26)
@@ -64,7 +64,5 @@
 struct tm {
 	int tm_sec;
-#ifdef _HELENOS_SOURCE
-	int tm_nsec;
-#endif
+	int tm_nsec;  /**< Nonstandard extension, nanoseconds since last second. */
 	int tm_min;
 	int tm_hour;