diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h
index b922db53b7abe142c3542fbae165e6689c3986b2..781addc66f03135e1fe033bd6aeb0476c0321fd2 100644
--- a/include/linux/cpuidle.h
+++ b/include/linux/cpuidle.h
@@ -60,6 +60,8 @@ struct cpuidle_state {
 #define CPUIDLE_DRIVER_FLAGS_MASK (0xFFFF0000)
 
 struct cpuidle_device_kobj;
+struct cpuidle_state_kobj;
+struct cpuidle_driver_kobj;
 
 struct cpuidle_device {
 	unsigned int		registered:1;