diff --git a/Kconfig b/Kconfig
index 4a79672630..f5dcc67996 100644
--- a/Kconfig
+++ b/Kconfig
@@ -1873,20 +1873,6 @@ config STACK_COLORATION
 
 		Only supported by a few architectures.
 
-config STACK_USAGE_SAFE_PERCENT
-	int "Stack usage safe percent"
-	default 0
-	range 0 100
-	depends on STACK_COLORATION
-	---help---
-		Stack usage percent = up_check_tcbstack() * 100 / tcb->adj_stack_size,
-		this should be lower than STACK_USAGE_SAFE_PERCENT.
-
-		Idle thread will periodically check stack usage when this macro
-		value > 0.
-
-		N.B. This feature should not be used in production code.
-
 config STACK_CANARIES
 	bool "Compiler stack canaries"
 	depends on ARCH_HAVE_STACKCHECK
diff --git a/sched/init/nx_start.c b/sched/init/nx_start.c
index a5ce3bbe0b..d7894640e9 100644
--- a/sched/init/nx_start.c
+++ b/sched/init/nx_start.c
@@ -787,39 +787,6 @@ void nx_start(void)
   sinfo("CPU0: Beginning Idle Loop\n");
   for (; ; )
     {
-#if defined(CONFIG_STACK_COLORATION) && CONFIG_STACK_USAGE_SAFE_PERCENT > 0
-
-      /* Check stack in idle thread */
-
-      for (i = 0; i < g_npidhash; i++)
-        {
-          FAR struct tcb_s *tcb;
-          irqstate_t flags;
-
-          flags = enter_critical_section();
-
-          tcb = g_pidhash[i];
-          if (tcb && (up_check_tcbstack(tcb) * 100 / tcb->adj_stack_size
-                      > CONFIG_STACK_USAGE_SAFE_PERCENT))
-            {
-#if CONFIG_TASK_NAME_SIZE > 0
-              _alert("Stack check failed, pid %d, name %s\n",
-                     tcb->pid, tcb->name);
-#else
-              _alert("Stack check failed, pid %d\n", tcb->pid);
-#endif
-              PANIC();
-            }
-
-          leave_critical_section(flags);
-        }
-
-#endif
-
-      /* Check heap in idle thread */
-
-      kmm_checkcorruption();
-
       /* Perform any processor-specific idle state operations */
 
       up_idle();