--- zzzz-none-000/linux-3.10.107/arch/sparc/include/asm/hardirq_64.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/sparc/include/asm/hardirq_64.h	2021-02-04 17:41:59.000000000 +0000
@@ -14,6 +14,4 @@
 
 void ack_bad_irq(unsigned int irq);
 
-#define HARDIRQ_BITS	8
-
 #endif /* !(__SPARC64_HARDIRQ_H) */