diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c
index be5a6b73e601c6be30966e9191c0d5315fd3d5db..40845c7e93221c7a13a236619ab8225e9638e9ca 100644
--- a/drivers/rtc/class.c
+++ b/drivers/rtc/class.c
@@ -226,6 +226,7 @@ static void __exit rtc_exit(void)
 {
 	rtc_dev_exit();
 	class_destroy(rtc_class);
+	idr_destroy(&rtc_idr);
 }
 
 subsys_initcall(rtc_init);