diff --git a/arch/arm/src/cxd56xx/cxd56_sfc.c b/arch/arm/src/cxd56xx/cxd56_sfc.c
index 19dec4e9cd..856a94a3c1 100644
--- a/arch/arm/src/cxd56xx/cxd56_sfc.c
+++ b/arch/arm/src/cxd56xx/cxd56_sfc.c
@@ -229,7 +229,6 @@ static int cxd56_ioctl(FAR struct mtd_dev_s *dev, int cmd, unsigned long arg)
         }
         break;
 
-      case MTDIOC_XIPBASE:
       default:
         ret = -ENOTTY; /* Bad command */
         break;
diff --git a/arch/arm/src/lpc43xx/lpc43_spifi.c b/arch/arm/src/lpc43xx/lpc43_spifi.c
index cbc29056a8..206fb8fa22 100644
--- a/arch/arm/src/lpc43xx/lpc43_spifi.c
+++ b/arch/arm/src/lpc43xx/lpc43_spifi.c
@@ -904,7 +904,6 @@ static int lpc43_ioctl(FAR struct mtd_dev_s *dev, int cmd, unsigned long arg)
         }
         break;
 
-      case MTDIOC_XIPBASE:
       default:
         ret = -ENOTTY; /* Bad command */
         break;
diff --git a/arch/risc-v/src/bl602/bl602_spiflash.c b/arch/risc-v/src/bl602/bl602_spiflash.c
index 3aef8f11ce..9a146752d5 100644
--- a/arch/risc-v/src/bl602/bl602_spiflash.c
+++ b/arch/risc-v/src/bl602/bl602_spiflash.c
@@ -308,26 +308,6 @@ int bl602_ioctl(FAR struct mtd_dev_s *dev, int cmd,
             }
         }
         break;
-      case MTDIOC_BULKERASE:
-        {
-          /* Erase the entire partition */
-
-          finfo("cmd(0x%x) MTDIOC_BULKERASE not support.\n", cmd);
-        }
-        break;
-      case MTDIOC_XIPBASE:
-        {
-          /* Get the XIP base of the entire FLASH */
-
-          finfo("cmd(0x%x) MTDIOC_XIPBASE not support.\n", cmd);
-        }
-        break;
-      case MTDIOC_FLUSH:
-        {
-          finfo("cmd(0x%x) MTDIOC_FLUSH.\n", cmd);
-          ret = OK;
-        }
-        break;
       default:
         {
           finfo("cmd(0x%x) not support.\n", cmd);
diff --git a/drivers/mtd/at24xx.c b/drivers/mtd/at24xx.c
index 9823e0cbd0..b7852c78ae 100644
--- a/drivers/mtd/at24xx.c
+++ b/drivers/mtd/at24xx.c
@@ -643,7 +643,6 @@ static int at24c_ioctl(FAR struct mtd_dev_s *dev, int cmd, unsigned long arg)
         break;
 #endif
 
-      case MTDIOC_XIPBASE:
       default:
         ret = -ENOTTY; /* Bad command */
         break;
diff --git a/drivers/mtd/at25.c b/drivers/mtd/at25.c
index 7316d793ae..98425f6731 100644
--- a/drivers/mtd/at25.c
+++ b/drivers/mtd/at25.c
@@ -649,7 +649,6 @@ static int at25_ioctl(FAR struct mtd_dev_s *dev, int cmd, unsigned long arg)
         }
         break;
 
-      case MTDIOC_XIPBASE:
       default:
         ret = -ENOTTY; /* Bad command */
         break;
diff --git a/drivers/mtd/at45db.c b/drivers/mtd/at45db.c
index 3215b7ab04..6166537ef1 100644
--- a/drivers/mtd/at45db.c
+++ b/drivers/mtd/at45db.c
@@ -822,7 +822,6 @@ static int at45db_ioctl(FAR struct mtd_dev_s *mtd,
         }
         break;
 
-      case MTDIOC_XIPBASE:
       default:
         ret = -ENOTTY; /* Bad command */
         break;
diff --git a/drivers/mtd/filemtd.c b/drivers/mtd/filemtd.c
index a25ba1a7e1..f1e3fc9b88 100644
--- a/drivers/mtd/filemtd.c
+++ b/drivers/mtd/filemtd.c
@@ -436,10 +436,6 @@ static int filemtd_ioctl(FAR struct mtd_dev_s *dev, int cmd,
         }
         break;
 
-      case MTDIOC_XIPBASE:
-        ret = -ENOTTY; /* Bad command */
-        break;
-
       case MTDIOC_BULKERASE:
         {
           /* Erase the entire device */
diff --git a/drivers/mtd/gd25.c b/drivers/mtd/gd25.c
index 59289fae5e..ee7879b545 100644
--- a/drivers/mtd/gd25.c
+++ b/drivers/mtd/gd25.c
@@ -966,7 +966,6 @@ static int gd25_ioctl(FAR struct mtd_dev_s *dev, int cmd, unsigned long arg)
         }
         break;
 
-      case MTDIOC_XIPBASE:
       default:
         ret = -ENOTTY;
         break;
diff --git a/drivers/mtd/is25xp.c b/drivers/mtd/is25xp.c
index 0dc71dda65..d327a7c0e8 100644
--- a/drivers/mtd/is25xp.c
+++ b/drivers/mtd/is25xp.c
@@ -964,7 +964,6 @@ static int is25xp_ioctl(FAR struct mtd_dev_s *dev,
         }
         break;
 
-      case MTDIOC_XIPBASE:
       default:
         ret = -ENOTTY; /* Bad command */
         break;
diff --git a/drivers/mtd/m25px.c b/drivers/mtd/m25px.c
index 047a8e3e30..e19b0c989e 100644
--- a/drivers/mtd/m25px.c
+++ b/drivers/mtd/m25px.c
@@ -1046,7 +1046,6 @@ static int m25p_ioctl(FAR struct mtd_dev_s *dev, int cmd, unsigned long arg)
         }
         break;
 
-      case MTDIOC_XIPBASE:
       default:
         ret = -ENOTTY; /* Bad command */
         break;
diff --git a/drivers/mtd/mtd_nand.c b/drivers/mtd/mtd_nand.c
index 008420df82..e46d8cfc81 100644
--- a/drivers/mtd/mtd_nand.c
+++ b/drivers/mtd/mtd_nand.c
@@ -814,7 +814,6 @@ static int nand_ioctl(struct mtd_dev_s *dev, int cmd, unsigned long arg)
         }
         break;
 
-      case MTDIOC_XIPBASE:
       default:
         ret = -ENOTTY; /* Bad command */
         break;
diff --git a/drivers/mtd/mtd_rwbuffer.c b/drivers/mtd/mtd_rwbuffer.c
index eb80d776ac..72ad1b6418 100644
--- a/drivers/mtd/mtd_rwbuffer.c
+++ b/drivers/mtd/mtd_rwbuffer.c
@@ -317,7 +317,6 @@ static int mtd_ioctl(FAR struct mtd_dev_s *dev, int cmd, unsigned long arg)
         }
         break;
 
-      case MTDIOC_XIPBASE:
       default:
         ret = -ENOTTY; /* Bad command */
         break;
diff --git a/drivers/mtd/mx25lx.c b/drivers/mtd/mx25lx.c
index 7ecca96b94..52f700bab1 100644
--- a/drivers/mtd/mx25lx.c
+++ b/drivers/mtd/mx25lx.c
@@ -1102,7 +1102,6 @@ static int mx25l_ioctl(FAR struct mtd_dev_s *dev, int cmd, unsigned long arg)
         }
         break;
 
-      case MTDIOC_XIPBASE:
       default:
         ret = -ENOTTY; /* Bad command */
         break;
diff --git a/drivers/mtd/ramtron.c b/drivers/mtd/ramtron.c
index 0e220a2d9a..a06b73c27f 100644
--- a/drivers/mtd/ramtron.c
+++ b/drivers/mtd/ramtron.c
@@ -973,7 +973,6 @@ static int ramtron_ioctl(FAR struct mtd_dev_s *dev,
         break;
 #endif
 
-      case MTDIOC_XIPBASE:
       default:
         ret = -ENOTTY; /* Bad command */
         break;
diff --git a/drivers/mtd/sector512.c b/drivers/mtd/sector512.c
index cad2b82527..0322b1b0aa 100644
--- a/drivers/mtd/sector512.c
+++ b/drivers/mtd/sector512.c
@@ -566,7 +566,6 @@ static int s512_ioctl(FAR struct mtd_dev_s *dev, int cmd, unsigned long arg)
         }
         break;
 
-      case MTDIOC_XIPBASE:
       default:
         ret = -ENOTTY; /* Bad command */
         break;
diff --git a/drivers/mtd/sst25.c b/drivers/mtd/sst25.c
index 4e03389bbe..48905da762 100644
--- a/drivers/mtd/sst25.c
+++ b/drivers/mtd/sst25.c
@@ -1214,7 +1214,6 @@ static int sst25_ioctl(FAR struct mtd_dev_s *dev, int cmd, unsigned long arg)
         }
         break;
 
-      case MTDIOC_XIPBASE:
       default:
         ret = -ENOTTY; /* Bad command */
         break;
diff --git a/drivers/mtd/sst25xx.c b/drivers/mtd/sst25xx.c
index a1ac3c28ac..eb0c88cc80 100644
--- a/drivers/mtd/sst25xx.c
+++ b/drivers/mtd/sst25xx.c
@@ -903,7 +903,6 @@ static int sst25xx_ioctl(FAR struct mtd_dev_s *dev, int cmd,
         }
         break;
 
-      case MTDIOC_XIPBASE:
       default:
         ret = -ENOTTY; /* Bad command */
         break;
diff --git a/drivers/mtd/sst26.c b/drivers/mtd/sst26.c
index 11ebdcb18b..ddff19f26a 100644
--- a/drivers/mtd/sst26.c
+++ b/drivers/mtd/sst26.c
@@ -908,7 +908,6 @@ static int sst26_ioctl(FAR struct mtd_dev_s *dev, int cmd, unsigned long arg)
         }
         break;
 
-      case MTDIOC_XIPBASE:
       default:
         ret = -ENOTTY; /* Bad command */
         break;
diff --git a/drivers/mtd/w25.c b/drivers/mtd/w25.c
index 4edc64fd02..44ac3cab16 100644
--- a/drivers/mtd/w25.c
+++ b/drivers/mtd/w25.c
@@ -1342,7 +1342,6 @@ static int w25_ioctl(FAR struct mtd_dev_s *dev, int cmd, unsigned long arg)
         }
         break;
 
-      case MTDIOC_XIPBASE:
       default:
         ret = -ENOTTY; /* Bad command */
         break;