diff --git a/src/system/kernel/arch/x86/irq_routing_table.h b/src/system/kernel/arch/x86/irq_routing_table.h
index efe4a820f0..72da807533 100644
--- a/src/system/kernel/arch/x86/irq_routing_table.h
+++ b/src/system/kernel/arch/x86/irq_routing_table.h
@@ -30,7 +30,7 @@ typedef Vector<irq_routing_entry> IRQRoutingTable;
 
 struct irq_descriptor {
 	irq_descriptor();
-	// bit 0 is interrupt 0, bit 2 is interrupt 2, and so on
+
 	uint8			irq;
 	bool			shareable;
 	// B_LOW_ACTIVE_POLARITY or B_HIGH_ACTIVE_POLARITY