diff --git a/sched/group/group.h b/sched/group/group.h
index 7988e6c1ce3..ee076503233 100644
--- a/sched/group/group.h
+++ b/sched/group/group.h
@@ -119,7 +119,7 @@ void group_remove_children(FAR struct task_group_s *group);
 
 /* Group data resource configuration */
 
-int  group_setupidlefiles(FAR struct task_tcb_s *tcb);
+int  group_setupidlefiles(void);
 int  group_setuptaskfiles(FAR struct task_tcb_s *tcb);
 
 #endif /* __SCHED_GROUP_GROUP_H */
diff --git a/sched/group/group_setupidlefiles.c b/sched/group/group_setupidlefiles.c
index 91f83e83e55..b79b8dbd350 100644
--- a/sched/group/group_setupidlefiles.c
+++ b/sched/group/group_setupidlefiles.c
@@ -49,7 +49,7 @@
  *   Configure the idle thread's TCB.
  *
  * Input Parameters:
- *   tcb - tcb of the idle task.
+ *   None.
  *
  * Returned Value:
  *   0 is returned on success; a negated errno value is returned on a
@@ -57,7 +57,7 @@
  *
  ****************************************************************************/
 
-int group_setupidlefiles(FAR struct task_tcb_s *tcb)
+int group_setupidlefiles(void)
 {
   int ret = OK;
 #if defined(CONFIG_DEV_CONSOLE) || defined(CONFIG_DEV_NULL)
@@ -65,7 +65,6 @@ int group_setupidlefiles(FAR struct task_tcb_s *tcb)
 #endif
 
   sched_trace_begin();
-  DEBUGASSERT(tcb->cmn.group != NULL);
 
   /* Open stdin, dup to get stdout and stderr. This should always
    * be the first file opened and, hence, should always get file
@@ -73,11 +72,11 @@ int group_setupidlefiles(FAR struct task_tcb_s *tcb)
    */
 
 #if defined(CONFIG_DEV_CONSOLE) || defined(CONFIG_DEV_NULL)
-#ifdef CONFIG_DEV_CONSOLE
+#  ifdef CONFIG_DEV_CONSOLE
   fd = nx_open("/dev/console", O_RDWR);
-#else
+#  else
   fd = nx_open("/dev/null", O_RDWR);
-#endif
+#  endif
   if (fd == 0)
     {
       /* Successfully opened stdin (fd == 0) */
@@ -112,7 +111,7 @@ int group_setupidlefiles(FAR struct task_tcb_s *tcb)
    * It's a common practice to keep 0-2 always open even if they are
    * /dev/null to avoid that kind of problems. Thus the following warning.
    */
-#warning file descriptors 0-2 are not opened
+#  warning file descriptors 0-2 are not opened
 #endif /* defined(CONFIG_DEV_CONSOLE) || defined(CONFIG_DEV_NULL) */
 
   sched_trace_end();
diff --git a/sched/init/nx_start.c b/sched/init/nx_start.c
index 56dd24f7853..21da0583f1e 100644
--- a/sched/init/nx_start.c
+++ b/sched/init/nx_start.c
@@ -661,7 +661,7 @@ void nx_start(void)
            * IDLE task.
            */
 
-          DEBUGVERIFY(group_setupidlefiles(&g_idletcb[i]));
+          DEBUGVERIFY(group_setupidlefiles());
         }
     }