diff --git a/subsys/usb/device/class/dfu/usb_dfu.c b/subsys/usb/device/class/dfu/usb_dfu.c
index 87d703205eb..07c73194d0b 100644
--- a/subsys/usb/device/class/dfu/usb_dfu.c
+++ b/subsys/usb/device/class/dfu/usb_dfu.c
@@ -91,7 +91,7 @@ LOG_MODULE_REGISTER(usb_dfu, CONFIG_USB_DEVICE_LOG_LEVEL);
 
 static struct k_poll_event dfu_event;
 static struct k_poll_signal dfu_signal;
-static struct k_timer dfu_timer;
+static struct k_work_delayable dfu_timer_work;
 
 static struct k_work dfu_work;
 
@@ -417,8 +417,10 @@ static void dfu_enter_idle(void)
 	}
 }
 
-static void dfu_timer_expired(struct k_timer *timer)
+static void dfu_timer_work_handler(struct k_work *item)
 {
+	ARG_UNUSED(item);
+
 	if (dfu_data.state == appDETACH) {
 		if (IS_ENABLED(CONFIG_USB_DFU_WILL_DETACH)) {
 			if (usb_dc_detach()) {
@@ -693,7 +695,7 @@ static int dfu_class_handle_to_device(struct usb_setup_packet *setup,
 			/* Begin detach timeout timer */
 			timeout = MIN(setup->wValue, CONFIG_USB_DFU_DETACH_TIMEOUT);
 		}
-		k_timer_start(&dfu_timer, K_MSEC(timeout), K_FOREVER);
+		k_work_reschedule_for_queue(&USB_WORK_Q, &dfu_timer_work, K_MSEC(timeout));
 		break;
 	default:
 		LOG_DBG("Unsupported bmRequestType 0x%02x bRequest 0x%02x",
@@ -747,7 +749,7 @@ static void dfu_status_cb(struct usb_cfg_data *cfg,
 		LOG_DBG("USB device reset detected, state %d", dfu_data.state);
 		if (!IS_ENABLED(CONFIG_USB_DFU_WILL_DETACH)) {
 			/* Stop the appDETACH timeout timer */
-			k_timer_stop(&dfu_timer);
+			k_work_cancel_delayable(&dfu_timer_work);
 			if (dfu_data.state == appDETACH) {
 				dfu_enter_idle();
 			}
@@ -904,7 +906,7 @@ static int usb_dfu_init(const struct device *dev)
 
 	k_work_init(&dfu_work, dfu_work_handler);
 	k_poll_signal_init(&dfu_signal);
-	k_timer_init(&dfu_timer, dfu_timer_expired, NULL);
+	k_work_init_delayable(&dfu_timer_work, dfu_timer_work_handler);
 
 #ifdef CONFIG_USB_DFU_REBOOT
 	k_work_init_delayable(&reboot_work, reboot_work_handler);