diff --git a/include/nuttx/sched.h b/include/nuttx/sched.h
index 88680f71ae2..c22785b2450 100644
--- a/include/nuttx/sched.h
+++ b/include/nuttx/sched.h
@@ -51,24 +51,17 @@
 
 /* Configuration ************************************************************/
 
-/* Task groups currently only supported for retention of child status */
-
-#undef HAVE_GROUP_MEMBERS
-
-/* We need a group an group members if we are supporting the parent/child
- * relationship.
+/* We need to track group members at least for:
+ *
+ * - To signal all tasks in a group. (eg. SIGCHLD)
+ * - _exit() to collect siblings threads.
  */
 
-#if defined(CONFIG_SCHED_HAVE_PARENT) && defined(CONFIG_SCHED_CHILD_STATUS)
+#undef HAVE_GROUP_MEMBERS
+#if !defined(CONFIG_DISABLE_PTHREAD)
 #  define HAVE_GROUP_MEMBERS  1
 #endif
 
-/* We don't need group members if support for pthreads is disabled */
-
-#ifdef CONFIG_DISABLE_PTHREAD
-#  undef HAVE_GROUP_MEMBERS
-#endif
-
 /* Sporadic scheduling */
 
 #ifndef CONFIG_SCHED_SPORADIC_MAXREPL