diff --git a/arch/mips/include/asm/mach-lantiq/falcon/falcon_irq.h b/arch/mips/include/asm/mach-lantiq/falcon/falcon_irq.h
index c6b63a409641627359526356b4fd99e0ea7e23da..6dd8ad2409dc98af9fcf9f4c10eea6f87bbbb542 100644
--- a/arch/mips/include/asm/mach-lantiq/falcon/falcon_irq.h
+++ b/arch/mips/include/asm/mach-lantiq/falcon/falcon_irq.h
@@ -18,8 +18,6 @@
 #define INT_NUM_EXTRA_START		(INT_NUM_IM4_IRL0 + 32)
 #define INT_NUM_IM_OFFSET		(INT_NUM_IM1_IRL0 - INT_NUM_IM0_IRL0)
 
-#define MIPS_CPU_TIMER_IRQ			7
-
 #define MAX_IM			5
 
 #endif /* _FALCON_IRQ__ */
diff --git a/arch/mips/include/asm/mach-lantiq/xway/lantiq_irq.h b/arch/mips/include/asm/mach-lantiq/xway/lantiq_irq.h
index 141076325307ecfd748d36e76ff008aa76366b5c..0b424214a5e9215affda0000c4395406704d5d69 100644
--- a/arch/mips/include/asm/mach-lantiq/xway/lantiq_irq.h
+++ b/arch/mips/include/asm/mach-lantiq/xway/lantiq_irq.h
@@ -19,8 +19,6 @@
 
 #define LTQ_DMA_CH0_INT		(INT_NUM_IM2_IRL0)
 
-#define MIPS_CPU_TIMER_IRQ	7
-
 #define MAX_IM			5
 
 #endif
diff --git a/arch/mips/lantiq/irq.c b/arch/mips/lantiq/irq.c
index c4ef1c31e0c4f03ca22725668b2931d34a7cd749..6549499eb202dd348b4044f9254c744832a5e8dc 100644
--- a/arch/mips/lantiq/irq.c
+++ b/arch/mips/lantiq/irq.c
@@ -310,13 +310,6 @@ int __init icu_of_init(struct device_node *node, struct device_node *parent)
 	/* tell oprofile which irq to use */
 	ltq_perfcount_irq = irq_create_mapping(ltq_domain, LTQ_PERF_IRQ);
 
-	/*
-	 * if the timer irq is not one of the mips irqs we need to
-	 * create a mapping
-	 */
-	if (MIPS_CPU_TIMER_IRQ != 7)
-		irq_create_mapping(ltq_domain, MIPS_CPU_TIMER_IRQ);
-
 	/* the external interrupts are optional and xway only */
 	eiu_node = of_find_compatible_node(NULL, NULL, "lantiq,eiu-xway");
 	if (eiu_node && !of_address_to_resource(eiu_node, 0, &res)) {
@@ -353,7 +346,7 @@ EXPORT_SYMBOL_GPL(get_c0_perfcount_int);
 
 unsigned int get_c0_compare_int(void)
 {
-	return MIPS_CPU_TIMER_IRQ;
+	return CP0_LEGACY_COMPARE_IRQ;
 }
 
 static struct of_device_id __initdata of_irq_ids[] = {