diff --git a/configs/mikroe-stm32f4/src/up_nsh.c b/configs/mikroe-stm32f4/src/up_nsh.c
index e3f973794b4..179d0eab08a 100644
--- a/configs/mikroe-stm32f4/src/up_nsh.c
+++ b/configs/mikroe-stm32f4/src/up_nsh.c
@@ -153,7 +153,7 @@
  ****************************************************************************/
 /* Pre-allocated simulated flash */
 
-#ifdef CONFIG_MTD_RAM
+#ifdef CONFIG_RAMMTD
 //static uint8_t g_simflash[CONFIG_EXAMPLES_SMART_BUFSIZE];
 #endif
 
@@ -217,7 +217,7 @@ int nsh_archinitialize(void)
 
   /* Create a RAM MTD device if configured */
 
-#ifdef CONFIG_MTD_RAM
+#ifdef CONFIG_RAMMTD
   {
       uint8_t *start = (uint8_t *) kmalloc(CONFIG_EXAMPLES_SMART_BUFSIZE);
       mtd = rammtd_initialize(start, CONFIG_EXAMPLES_SMART_BUFSIZE);
@@ -229,7 +229,7 @@ int nsh_archinitialize(void)
 #endif
   }
 
-#endif /* CONFIG_MTD_RAM */
+#endif /* CONFIG_RAMMTD */
 
 #endif /* CONFIG_MTD */
 #endif /* CONFIG_STM32_SPI3 */
diff --git a/configs/mikroe-stm32f4/usbnsh/defconfig b/configs/mikroe-stm32f4/usbnsh/defconfig
index fb474a0c9a6..3567353f5f5 100644
--- a/configs/mikroe-stm32f4/usbnsh/defconfig
+++ b/configs/mikroe-stm32f4/usbnsh/defconfig
@@ -413,8 +413,8 @@ CONFIG_MP25P_BYTEWRITE=y
 CONFIG_MTD_SMART=y
 CONFIG_MTD_SMART_SECTOR_SIZE=512
 # CONFIG_MTD_RAMTRON is not set
-CONFIG_MTD_RAM=y
-CONFIG_MTD_RAM_SMART=y
+CONFIG_RAMMTD=y
+CONFIG_RAMMTD_SMART=y
 # CONFIG_MTD_SST25 is not set
 # CONFIG_MTD_SST39FV is not set
 # CONFIG_MTD_W25 is not set
diff --git a/configs/sim/mtdpart/defconfig b/configs/sim/mtdpart/defconfig
index f3e1959196d..e35f72438fa 100644
--- a/configs/sim/mtdpart/defconfig
+++ b/configs/sim/mtdpart/defconfig
@@ -216,7 +216,6 @@ CONFIG_RAMMTD_FLASHSIM=y
 # CONFIG_MTD_AT45DB is not set
 # CONFIG_MTD_MP25P is not set
 # CONFIG_MTD_RAMTRON is not set
-# CONFIG_MTD_RAM is not set
 # CONFIG_MTD_SST25 is not set
 # CONFIG_MTD_SST39FV is not set
 # CONFIG_MTD_W25 is not set
diff --git a/configs/sim/nxffs/defconfig b/configs/sim/nxffs/defconfig
index a2e663e8a47..d3b0b0f9bb0 100644
--- a/configs/sim/nxffs/defconfig
+++ b/configs/sim/nxffs/defconfig
@@ -216,7 +216,6 @@ CONFIG_RAMMTD_FLASHSIM=y
 # CONFIG_MTD_AT45DB is not set
 # CONFIG_MTD_MP25P is not set
 # CONFIG_MTD_RAMTRON is not set
-# CONFIG_MTD_RAM is not set
 # CONFIG_MTD_SST25 is not set
 # CONFIG_MTD_SST39FV is not set
 # CONFIG_MTD_W25 is not set