diff --git a/arch/sh/kernel/cpu/sh4a/setup-shx3.c b/arch/sh/kernel/cpu/sh4a/setup-shx3.c
index 7ca7dd20fb0..688f7ed1bab 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-shx3.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-shx3.c
@@ -494,9 +494,6 @@ void __init plat_irq_setup_pins(int mode)
 
 void __init plat_irq_setup(void)
 {
-	reserve_intc_vectors(vectors_irq, ARRAY_SIZE(vectors_irq));
-	reserve_intc_vectors(vectors_irl, ARRAY_SIZE(vectors_irl));
-
 	register_intc_controller(&intc_desc);
 }
 
diff --git a/drivers/sh/intc/dynamic.c b/drivers/sh/intc/dynamic.c
index 5fea1ee8799..14eb01ef5d7 100644
--- a/drivers/sh/intc/dynamic.c
+++ b/drivers/sh/intc/dynamic.c
@@ -55,11 +55,3 @@ void destroy_irq(unsigned int irq)
 {
 	irq_free_desc(irq);
 }
-
-void reserve_intc_vectors(struct intc_vect *vectors, unsigned int nr_vecs)
-{
-	int i;
-
-	for (i = 0; i < nr_vecs; i++)
-		irq_reserve_irq(evt2irq(vectors[i].vect));
-}
diff --git a/include/linux/sh_intc.h b/include/linux/sh_intc.h
index 6aed0805927..32383285da6 100644
--- a/include/linux/sh_intc.h
+++ b/include/linux/sh_intc.h
@@ -133,7 +133,6 @@ struct intc_desc symbol __initdata = {					\
 }
 
 int register_intc_controller(struct intc_desc *desc);
-void reserve_intc_vectors(struct intc_vect *vectors, unsigned int nr_vecs);
 int intc_set_priority(unsigned int irq, unsigned int prio);
 int intc_irq_lookup(const char *chipname, intc_enum enum_id);
 void intc_finalize(void);