diff --git a/demos/device/src/msc_device_app.h b/demos/device/src/msc_device_app.h
index c3ee0e874..7020d933a 100644
--- a/demos/device/src/msc_device_app.h
+++ b/demos/device/src/msc_device_app.h
@@ -36,12 +36,9 @@
 */
 /**************************************************************************/
 
-/** \ingroup TBD
- *  \defgroup TBD
- *  \brief TBD
- *
- *  @{
- */
+/** \ingroup group_demo
+ *  \defgroup Mass Storage Device App
+ *  @{ */
 
 #ifndef _TUSB_MSCD_DEVICE_APP_H_
 #define _TUSB_MSCD_DEVICE_APP_H_
diff --git a/todo.md b/todo.md
deleted file mode 100644
index af6e2b6f2..000000000
--- a/todo.md
+++ /dev/null
@@ -1,8 +0,0 @@
-# TODO #
-
-- display SHA commit on demo
-- guideline for create a new issue
-- make some doxygen documentation
-- reporter task to move callback out of isr
-- test freeRTOS 
-- refractor for integration test