diff --git a/drivers/note/note_driver.c b/drivers/note/note_driver.c
index b695153512586..8cbcb0c1bb6dc 100644
--- a/drivers/note/note_driver.c
+++ b/drivers/note/note_driver.c
@@ -117,9 +117,9 @@ struct note_startalloc_s
 };
 
 #if CONFIG_TASK_NAME_SIZE > 0
-#  define SIZEOF_NOTE_START(n) (sizeof(struct note_start_s) + (n) - 1)
+#  define SIZEOF_NOTE_START(n) (sizeof(struct note_common_s) + (n))
 #else
-#  define SIZEOF_NOTE_START(n) (sizeof(struct note_start_s))
+#  define SIZEOF_NOTE_START(n) (sizeof(struct note_common_s))
 #endif
 
 #if CONFIG_DRIVERS_NOTE_TASKNAME_BUFSIZE > 0
diff --git a/include/nuttx/sched_note.h b/include/nuttx/sched_note.h
index 5c13eee3ea3ff..23b2982e7e083 100644
--- a/include/nuttx/sched_note.h
+++ b/include/nuttx/sched_note.h
@@ -324,16 +324,6 @@ struct note_common_s
   clock_t nc_systime;          /* Time when note was buffered */
 };
 
-/* This is the specific form of the NOTE_START note */
-
-struct note_start_s
-{
-  struct note_common_s nst_cmn; /* Common note parameters */
-#if CONFIG_TASK_NAME_SIZE > 0
-  char    nst_name[1];          /* Start of the name of the thread/task */
-#endif
-};
-
 /* This is the specific form of the NOTE_STOP note */
 
 struct note_stop_s