diff --git a/include/linux/hid.h b/include/linux/hid.h
index d91c25e..fc5faf6 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -638,7 +638,7 @@
 			struct hid_input *hidinput, struct hid_field *field,
 			struct hid_usage *usage, unsigned long **bit, int *max);
 	void (*feature_mapping)(struct hid_device *hdev,
-			struct hid_input *hidinput, struct hid_field *field,
+			struct hid_field *field,
 			struct hid_usage *usage);
 #ifdef CONFIG_PM
 	int (*suspend)(struct hid_device *hdev, pm_message_t message);