diff --git a/kernel/irq/Makefile b/kernel/irq/Makefile
index 2b33f852be3e..9f77f50d8143 100644
--- a/kernel/irq/Makefile
+++ b/kernel/irq/Makefile
@@ -1,4 +1,5 @@
 
-obj-y := handle.o manage.o spurious.o migration.o
+obj-y := handle.o manage.o spurious.o
 obj-$(CONFIG_GENERIC_IRQ_PROBE) += autoprobe.o
 obj-$(CONFIG_PROC_FS) += proc.o
+obj-$(CONFIG_GENERIC_PENDING_IRQ) += migration.o
diff --git a/kernel/irq/migration.c b/kernel/irq/migration.c
index 52a8655fa080..134f9f2e0e39 100644
--- a/kernel/irq/migration.c
+++ b/kernel/irq/migration.c
@@ -1,6 +1,5 @@
-#include <linux/irq.h>
 
-#if defined(CONFIG_GENERIC_PENDING_IRQ)
+#include <linux/irq.h>
 
 void set_pending_irq(unsigned int irq, cpumask_t mask)
 {
@@ -61,5 +60,3 @@ void move_native_irq(int irq)
 	}
 	cpus_clear(pending_irq_cpumask[irq]);
 }
-
-#endif