diff --git a/arch/xtensa/kernel/time.c b/arch/xtensa/kernel/time.c
index 4a2c365ba684..412ab32de391 100644
--- a/arch/xtensa/kernel/time.c
+++ b/arch/xtensa/kernel/time.c
@@ -52,7 +52,7 @@ unsigned long long sched_clock(void)
 static irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs);
 static struct irqaction timer_irqaction = {
 	.handler =	timer_interrupt,
-	.flags =	SA_INTERRUPT,
+	.flags =	IRQF_DISABLED,
 	.name =		"timer",
 };
 
diff --git a/include/asm-xtensa/signal.h b/include/asm-xtensa/signal.h
index a99c9aec64ec..633ba73bc4d2 100644
--- a/include/asm-xtensa/signal.h
+++ b/include/asm-xtensa/signal.h
@@ -75,7 +75,6 @@ typedef struct {
  * 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.
@@ -95,7 +94,6 @@ typedef struct {
 
 #define SA_NOMASK	SA_NODEFER
 #define SA_ONESHOT	SA_RESETHAND
-#define SA_INTERRUPT	0x20000000 /* dummy -- ignored */
 
 #define SA_RESTORER	0x04000000
 
@@ -109,19 +107,6 @@ typedef struct {
 #define SIGSTKSZ	8192
 
 #ifndef __ASSEMBLY__
-#ifdef __KERNEL__
-
-/*
- * These values of sa_flags are used only by the kernel as part of the
- * irq handling routines.
- *
- * SA_INTERRUPT is also used by the irq handling routines.
- * SA_SHIRQ is for shared interrupt support on PCI and EISA.
- */
-#define SA_SAMPLE_RANDOM	SA_RESTART
-#define SA_SHIRQ		0x04000000
-#define SA_PROBEIRQ		0x08000000
-#endif
 
 #define SIG_BLOCK          0	/* for blocking signals */
 #define SIG_UNBLOCK        1	/* for unblocking signals */