diff --git a/include/asm-s390/signal.h b/include/asm-s390/signal.h
index 7084626..f6cfddb 100644
--- a/include/asm-s390/signal.h
+++ b/include/asm-s390/signal.h
@@ -84,7 +84,6 @@
  * 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.
@@ -104,7 +103,6 @@
 
 #define SA_NOMASK       SA_NODEFER
 #define SA_ONESHOT      SA_RESETHAND
-#define SA_INTERRUPT    0x20000000 /* dummy -- ignored */
 
 #define SA_RESTORER     0x04000000