diff --git a/Documentation/components/drivers/character/note.rst b/Documentation/components/drivers/character/note.rst
index aa0b946c93..48b2155ed6 100644
--- a/Documentation/components/drivers/character/note.rst
+++ b/Documentation/components/drivers/character/note.rst
@@ -237,15 +237,6 @@ Noteram Device (``/dev/note``)
   :return: If success, 0 (``OK``) is returned and the given overwriter mode is set as the current settings.
     If failed, a negated ``errno`` is returned.
 
-.. c:macro:: NOTERAM_GETTASKNAME
-
-  Get task name string
-
-  :argument: A writable pointer to :c:struct:`noteram_get_taskname_s`
-
-  :return: If success, 0 (``OK``) is returned and the task name corresponding to given pid is stored into the given pointer.
-           If failed, a negated ``errno`` is returned.
-
 Filter control APIs
 ===================
 
diff --git a/drivers/note/noteram_driver.c b/drivers/note/noteram_driver.c
index ec7cbc9ba7..3721cf8c42 100644
--- a/drivers/note/noteram_driver.c
+++ b/drivers/note/noteram_driver.c
@@ -627,30 +627,6 @@ static int noteram_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
           }
         break;
 
-#ifdef NOTERAM_GETTASKNAME
-      /* NOTERAM_GETTASKNAME
-       *      - Get task name string
-       *        Argument: A writable pointer to struct note_get_taskname_s
-       *        Result:   If -ESRCH, the corresponding task name doesn't
-       *                  exist.
-       */
-
-      case NOTERAM_GETTASKNAME:
-        {
-          FAR struct noteram_get_taskname_s *param;
-
-          if (arg == 0)
-            {
-              ret = -EINVAL;
-              break;
-            }
-
-          param = (FAR struct noteram_get_taskname_s *)arg;
-          ret = note_get_taskname(param->pid, param->taskname);
-        }
-        break;
-#endif
-
       default:
           break;
     }
@@ -851,15 +827,15 @@ get_task_context(pid_t pid, FAR struct noteram_dump_context_s *ctx)
       (*tctxp)->syscall_nest = 0;
       (*tctxp)->name[0] = '\0';
 
-#ifdef NOTERAM_GETTASKNAME
+#ifdef CONFIG_DRIVERS_NOTE_TASKNAME_BUFSIZE
         {
-          struct noteram_get_taskname_s tnm;
+          char taskname[CONFIG_DRIVERS_NOTE_TASKNAME_BUFSIZE];
           int res;
 
-          res = note_get_taskname(pid, tnm.taskname);
+          res = note_get_taskname(pid, taskname);
           if (res == 0)
             {
-              copy_task_name((*tctxp)->name, tnm.taskname);
+              copy_task_name((*tctxp)->name, taskname);
             }
         }
 #endif
diff --git a/include/nuttx/note/noteram_driver.h b/include/nuttx/note/noteram_driver.h
index c2e85a3f4e..ae9ccc1958 100644
--- a/include/nuttx/note/noteram_driver.h
+++ b/include/nuttx/note/noteram_driver.h
@@ -46,22 +46,12 @@
  * NOTERAM_SETMODE
  *              - Set overwrite mode
  *                Argument: A read-only pointer to unsigned int
- * NOTERAM_GETTASKNAME
- *              - Get task name string
- *                Argument: A writable pointer to struct
- *                          noteram_get_taskname_s
- *                Result:   If -ESRCH, the corresponding task name doesn't
- *                          exist.
  */
 
 #ifdef CONFIG_DRIVERS_NOTERAM
 #define NOTERAM_CLEAR           _NOTERAMIOC(0x01)
 #define NOTERAM_GETMODE         _NOTERAMIOC(0x02)
 #define NOTERAM_SETMODE         _NOTERAMIOC(0x03)
-#if defined(CONFIG_DRIVERS_NOTE_TASKNAME_BUFSIZE) && \
-    CONFIG_DRIVERS_NOTE_TASKNAME_BUFSIZE > 0
-#define NOTERAM_GETTASKNAME     _NOTERAMIOC(0x04)
-#endif
 #endif
 
 /* Overwrite mode definitions */
@@ -76,15 +66,7 @@
  * Public Types
  ****************************************************************************/
 
-/* This is the type of the argument passed to the NOTERAM_GETTASKNAME ioctl */
-
-#ifdef NOTERAM_GETTASKNAME
-struct noteram_get_taskname_s
-{
-  pid_t pid;
-  char taskname[CONFIG_TASK_NAME_SIZE + 1];
-};
-#endif
+struct noteram_driver_s;
 
 /****************************************************************************
  * Public Data