diff --git a/configs/kwikstik-k40/src/up_nsh.c b/configs/kwikstik-k40/src/up_nsh.c
index b1ccdf60f7b..c4e027c6bda 100755
--- a/configs/kwikstik-k40/src/up_nsh.c
+++ b/configs/kwikstik-k40/src/up_nsh.c
@@ -172,15 +172,6 @@ static void kinetis_mediachange(void)
 
       g_nsh.inserted = inserted;
       sdhc_mediachange(g_nsh.sdhc, inserted);
-
-      /* If the card has been inserted, then check if it is write protected
-       * aw well.
-       */
-
-      if (inserted)
-        {
-          sdhc_wrprotect(g_nsh.sdhc, !kinetis_gpioread(GPIO_SD_WRPROTECT));
-        }
     }
 }
 #endif
@@ -228,10 +219,6 @@ int nsh_archinitialize(void)
   kinetis_pinconfig(GPIO_SD_CARDDETECT);
   kinetis_pinirqattach(GPIO_SD_CARDDETECT, kinetis_cdinterrupt);
 
-  /* Configure the write protect GPIO */
-
-  kinetis_pinconfig(GPIO_SD_WRPROTECT);
-
   /* Mount the SDHC-based MMC/SD block driver */
   /* First, get an instance of the SDHC interface */
 
diff --git a/configs/twr-k60n512/src/twrk60-internal.h b/configs/twr-k60n512/src/twrk60-internal.h
index eb4555b5715..df60daae46f 100644
--- a/configs/twr-k60n512/src/twrk60-internal.h
+++ b/configs/twr-k60n512/src/twrk60-internal.h
@@ -111,7 +111,6 @@
  
 #define GPIO_SD_CARDDETECT (GPIO_PULLUP | PIN_INT_BOTH | PIN_PORTE | PIN28)
 #define GPIO_SD_WRPROTECT  (GPIO_PULLUP | PIN_PORTE | PIN27)
-#define GPIO_SD_CARDON     (GPIO_HIGHDRIVE | GPIO_OUTPUT_ZER0 | PIN_PORTE | PIN6)
 
 #define GPIO_SW1           (GPIO_PULLUP | PIN_INT_BOTH | PIN_PORTA | PIN19)
 #define GPIO_SW2           (GPIO_PULLUP | PIN_INT_BOTH | PIN_PORTE | PIN26)
diff --git a/configs/twr-k60n512/src/up_nsh.c b/configs/twr-k60n512/src/up_nsh.c
index 1fc959cf941..4feaed5064d 100644
--- a/configs/twr-k60n512/src/up_nsh.c
+++ b/configs/twr-k60n512/src/up_nsh.c
@@ -216,12 +216,7 @@ int nsh_archinitialize(void)
 #ifdef CONFIG_NSH_HAVEMMCSD
   int ret;
 
-  /* Configure GPIO pins.
-   *
-   * First CD power.  The initial state will provide SD power.
-   */
-
-  kinetis_pinconfig(GPIO_SD_CARDON);      /* Applies power to the card */
+  /* Configure GPIO pins */
 
   /* Attached the card detect interrupt (but don't enable it yet) */