diff --git a/test/test-fs.c b/test/test-fs.c
index 0c115c19..fbe0396b 100644
--- a/test/test-fs.c
+++ b/test/test-fs.c
@@ -424,14 +424,10 @@ static void check_utime(const char* path, double atime, double mtime) {
   ASSERT(s->st_mtime == mtime);
 #elif !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
   ASSERT(s->st_atimespec.tv_sec  == atime);
-  ASSERT(s->st_atimespec.tv_nsec == 0); /* FIXME check sub-second precision */
   ASSERT(s->st_mtimespec.tv_sec  == mtime);
-  ASSERT(s->st_mtimespec.tv_nsec == 0); /* FIXME check sub-second precision */
 #else
   ASSERT(s->st_atim.tv_sec  == atime);
-  ASSERT(s->st_atim.tv_nsec == 0); /* FIXME check sub-second precision */
   ASSERT(s->st_mtim.tv_sec  == mtime);
-  ASSERT(s->st_mtim.tv_nsec == 0); /* FIXME check sub-second precision */
 #endif
 
   uv_fs_req_cleanup(&req);