diff --git a/sys/sparc64/include/intr_machdep.h b/sys/sparc64/include/intr_machdep.h
index 9319d8c623a..1645fd63d1a 100644
--- a/sys/sparc64/include/intr_machdep.h
+++ b/sys/sparc64/include/intr_machdep.h
@@ -91,8 +91,10 @@ struct intr_vector {
 extern ih_func_t *intr_handlers[];
 extern struct intr_vector intr_vectors[];
 
+#ifdef SMP
 void	intr_add_cpu(u_int cpu);
 int	intr_bind(int vec, u_char cpu);
+#endif
 int	intr_describe(int vec, void *ih, const char *descr);
 void	intr_setup(int level, ih_func_t *ihf, int pri, iv_func_t *ivf,
 	    void *iva);
diff --git a/sys/sparc64/sparc64/intr_machdep.c b/sys/sparc64/sparc64/intr_machdep.c
index 2a2d33bbe5c..73f9fa61b3e 100644
--- a/sys/sparc64/sparc64/intr_machdep.c
+++ b/sys/sparc64/sparc64/intr_machdep.c
@@ -555,15 +555,6 @@ intr_shuffle_irqs(void *arg __unused)
 SYSINIT(intr_shuffle_irqs, SI_SUB_SMP, SI_ORDER_SECOND, intr_shuffle_irqs,
     NULL);
 #else /* !SMP */
-
-/* Return EOPNOTSUPP in the UP case. */
-int
-intr_bind(int vec __unused, u_char cpu __unused)
-{
-
-	return (EOPNOTSUPP);
-}
-
 /* Use an empty stub for compatibility. */
 void
 intr_add_cpu(u_int cpu __unused)