diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index f2bf0a5..ae865a1 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -693,9 +693,6 @@
 
 extern void vmbus_ontimer(unsigned long data);
 
-struct hv_driver;
-struct hv_device;
-
 struct hv_dev_port_info {
 	u32 int_mask;
 	u32 read_idx;