give up class register

1 files changed, 0 insertions, 7 deletions

diff --git a/class/printer/usbd_printer.c b/class/printer/usbd_printer.c
index 689869ee..24b8fa88 100644
--- a/class/printer/usbd_printer.c
+++ b/class/printer/usbd_printer.c
@@ -48,13 +48,6 @@ static void printer_notify_handler(uint8_t event, void *arg)
 
 void usbd_printer_add_interface(usbd_class_t *devclass, usbd_interface_t *intf)
 {
-    static usbd_class_t *last_class = NULL;
-
-    if (last_class != devclass) {
-        last_class = devclass;
-        usbd_class_register(devclass);
-    }
-
     intf->class_handler = printer_class_request_handler;
     intf->custom_handler = NULL;
     intf->vendor_handler = NULL;