diff --git NuttX/nuttx/sched/irq/irq.h NuttX/nuttx/sched/irq/irq.h
index ffb6e98..f01318b 100644
--- NuttX/nuttx/sched/irq/irq.h
+++ NuttX/nuttx/sched/irq/irq.h
@@ -72,7 +72,9 @@
 struct irq_info_s
 {
   xcpt_t handler;  /* Address of the interrupt handler */
+#if !defined(CONFIG_NOIRQARGS)
   FAR void *arg;   /* The argument provided to the interrupt handler. */
+#endif
 };
 
 /****************************************************************************
diff --git NuttX/nuttx/sched/irq/irq_attach.c NuttX/nuttx/sched/irq/irq_attach.c
index 9d45d9c..3707906 100644
--- NuttX/nuttx/sched/irq/irq_attach.c
+++ NuttX/nuttx/sched/irq/irq_attach.c
@@ -112,7 +112,11 @@ int irq_attach(int irq, xcpt_t isr, FAR void *arg)
       /* Save the new ISR and its argument in the table. */
 
       g_irqvector[ndx].handler = isr;
+#if defined(CONFIG_NOIRQARGS)
+      ASSERT(arg == NULL);
+#else
       g_irqvector[ndx].arg     = arg;
+#endif
 
       leave_critical_section(flags);
       ret = OK;
diff --git NuttX/nuttx/sched/irq/irq_dispatch.c NuttX/nuttx/sched/irq/irq_dispatch.c
index b507c06..66cb1fe 100644
--- NuttX/nuttx/sched/irq/irq_dispatch.c
+++ NuttX/nuttx/sched/irq/irq_dispatch.c
@@ -88,7 +88,11 @@ void irq_dispatch(int irq, FAR void *context)
         }
 #else
       vector = g_irqvector[irq].handler;
-      arg    = g_irqvector[irq].arg;
+#  if defined(CONFIG_NOIRQARGS)
+          arg    = NULL;
+#  else
+          arg    = g_irqvector[irq].arg;
+#  endif
 #endif
     }
 
diff --git NuttX/nuttx/sched/irq/irq_initialize.c NuttX/nuttx/sched/irq/irq_initialize.c
index 18bbafc..2018788 100644
--- NuttX/nuttx/sched/irq/irq_initialize.c
+++ NuttX/nuttx/sched/irq/irq_initialize.c
@@ -88,6 +88,8 @@ void irq_initialize(void)
   for (i = 0; i < TAB_SIZE; i++)
     {
       g_irqvector[i].handler = irq_unexpected_isr;
+#if !defined(CONFIG_NOIRQARGS)
       g_irqvector[i].arg     = NULL;
+#endif
     }
 }