diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index a6e2f75447f1..19f107be734e 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -1010,6 +1010,26 @@ iosapic_check_gsi_range (unsigned int gsi_base, unsigned int ver)
 	return 0;
 }
 
+static int
+iosapic_delete_rte(unsigned int irq, unsigned int gsi)
+{
+	struct iosapic_rte_info *rte, *temp;
+
+	list_for_each_entry_safe(rte, temp, &iosapic_intr_info[irq].rtes,
+								rte_list) {
+		if (rte->iosapic->gsi_base + rte->rte_index == gsi) {
+			if (rte->refcnt)
+				return -EBUSY;
+
+			list_del(&rte->rte_list);
+			kfree(rte);
+			return 0;
+		}
+	}
+
+	return -EINVAL;
+}
+
 int iosapic_init(unsigned long phys_addr, unsigned int gsi_base)
 {
 	int num_rte, err, index;
@@ -1069,7 +1089,7 @@ int iosapic_init(unsigned long phys_addr, unsigned int gsi_base)
 
 int iosapic_remove(unsigned int gsi_base)
 {
-	int index, err = 0;
+	int i, irq, index, err = 0;
 	unsigned long flags;
 
 	spin_lock_irqsave(&iosapic_lock, flags);
@@ -1087,6 +1107,16 @@ int iosapic_remove(unsigned int gsi_base)
 		goto out;
 	}
 
+	for (i = gsi_base; i < gsi_base + iosapic_lists[index].num_rte; i++) {
+		irq = __gsi_to_irq(i);
+		if (irq < 0)
+			continue;
+
+		err = iosapic_delete_rte(irq, i);
+		if (err)
+			goto out;
+	}
+
 	iounmap(iosapic_lists[index].addr);
 	iosapic_free(index);
  out: