diff --git a/drivers/mtd/ftl.c b/drivers/mtd/ftl.c
index 2823487b27..664b9df45f 100644
--- a/drivers/mtd/ftl.c
+++ b/drivers/mtd/ftl.c
@@ -535,10 +535,6 @@ static int ftl_ioctl(FAR struct inode *inode, int cmd, unsigned long arg)
 #ifdef CONFIG_FTL_WRITEBUFFER
       rwb_flush(&dev->rwb);
 #endif
-
-      /* Change the BIOC_FLUSH command to the MTDIOC_FLUSH command. */
-
-      cmd = MTDIOC_FLUSH;
     }
 
   /* No other block driver ioctl commands are not recognized by this
diff --git a/fs/littlefs/lfs_vfs.c b/fs/littlefs/lfs_vfs.c
index eb77da0ff2..abc61297b4 100644
--- a/fs/littlefs/lfs_vfs.c
+++ b/fs/littlefs/lfs_vfs.c
@@ -928,7 +928,7 @@ static int littlefs_sync_block(FAR const struct lfs_config *c)
 
   if (INODE_IS_MTD(drv))
     {
-      ret = MTD_IOCTL(drv->u.i_mtd, MTDIOC_FLUSH, 0);
+      ret = MTD_IOCTL(drv->u.i_mtd, BIOC_FLUSH, 0);
     }
   else
     {
diff --git a/include/nuttx/mtd/mtd.h b/include/nuttx/mtd/mtd.h
index 2a87d5d474..fe4bf05bb2 100644
--- a/include/nuttx/mtd/mtd.h
+++ b/include/nuttx/mtd/mtd.h
@@ -41,9 +41,10 @@
 /* Ioctl commands */
 
 /* Note, the following ioctl existed in the past and was removed:
+ * #define MTDIOC_FLUSH      _MTDIOC(0x0009)
  * #define MTDIOC_PARTINFO   _MTDIOC(0x000b)
  * try to avoid adding a new ioctl with the same ioctl number and
- * replace with BIOC_PARTINFO instead.
+ * replace with BIOC_FLUSH and BIOC_PARTINFO instead.
  */
 
 #define MTDIOC_GEOMETRY   _MTDIOC(0x0001) /* IN:  Pointer to write-able struct
@@ -74,9 +75,6 @@
                                            * OUT: None */
 #define MTDIOC_ECCSTATUS  _MTDIOC(0x0008) /* IN:  Pointer to uint8_t
                                            * OUT: ECC status */
-#define MTDIOC_FLUSH      _MTDIOC(0x0009) /* IN:  None
-                                           * OUT: None (ioctl return value provides
-                                           *      success/failure indication). */
 #define MTDIOC_ERASESTATE _MTDIOC(0x000a) /* IN:  Pointer to uint8_t
                                            * OUT: Byte value that represents the
                                            *      erased state of the MTD cell */