diff --git a/lib/idr.c b/lib/idr.c
index e654aebd5f807decad9b6cdacf58e1978562badd..5335c43adf46af55bb90717aa63afe33a6a30e9c 100644
--- a/lib/idr.c
+++ b/lib/idr.c
@@ -30,7 +30,6 @@
 #include <linux/idr.h>
 #include <linux/spinlock.h>
 #include <linux/percpu.h>
-#include <linux/hardirq.h>
 
 #define MAX_IDR_SHIFT		(sizeof(int) * 8 - 1)
 #define MAX_IDR_BIT		(1U << MAX_IDR_SHIFT)