diff --git a/arch/m32r/kernel/time.c b/arch/m32r/kernel/time.c
index efff6f5151df28f7c693e0059f9c5c7ae6a9008c..ded0be07a476f62aca9f42ed17ea3f757f0453f0 100644
--- a/arch/m32r/kernel/time.c
+++ b/arch/m32r/kernel/time.c
@@ -237,7 +237,7 @@ irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 	return IRQ_HANDLED;
 }
 
-struct irqaction irq0 = { timer_interrupt, SA_INTERRUPT, CPU_MASK_NONE,
+struct irqaction irq0 = { timer_interrupt, IRQF_DISABLED, CPU_MASK_NONE,
 			  "MFT2", NULL, NULL };
 
 void __init time_init(void)
diff --git a/include/asm-m32r/signal.h b/include/asm-m32r/signal.h
index 95f69b1919537c0972a6486b9e53377e8573e830..e750045164d4e9b8ff24564e1024c244ba0dab4f 100644
--- a/include/asm-m32r/signal.h
+++ b/include/asm-m32r/signal.h
@@ -81,7 +81,6 @@ typedef unsigned long sigset_t;
  * SA_FLAGS values:
  *
  * SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the
  * SA_RESTART flag to get restarting signals (which were the default long ago)
  * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
  * SA_RESETHAND clears the handler when the signal is delivered.
@@ -101,7 +100,6 @@ typedef unsigned long sigset_t;
 
 #define SA_NOMASK	SA_NODEFER
 #define SA_ONESHOT	SA_RESETHAND
-#define SA_INTERRUPT	0x20000000 /* dummy -- ignored */
 
 #define SA_RESTORER	0x04000000