Index: bboard.c
===================================================================
--- bboard.c	(revision 6893)
+++ bboard.c	(revision 6894)
@@ -573,7 +573,12 @@
 
 static pcb_hid_t bboard_hid;
 
+void hid_export_bboard_uninit()
+{
+	pcb_hid_remove_attributes_by_cookie(bboard_cookie);
+}
 
+
 pcb_uninit_t hid_export_bboard_init()
 {
 	memset(&bboard_hid, 0, sizeof(bboard_hid));
@@ -593,6 +598,6 @@
 	pcb_hid_register_hid(&bboard_hid);
 
 	pcb_hid_register_attributes(bboard_options, sizeof(bboard_options) / sizeof(bboard_options[0]), bboard_cookie, 0);
-	return NULL;
+	return hid_export_bboard_uninit;
 }