diff --git a/demos/KINETIS/RT-MCHCK-K20-SPI/main.c b/demos/KINETIS/RT-MCHCK-K20-SPI/main.c
index e51a3175a..878531991 100644
--- a/demos/KINETIS/RT-MCHCK-K20-SPI/main.c
+++ b/demos/KINETIS/RT-MCHCK-K20-SPI/main.c
@@ -17,27 +17,6 @@
 #include "ch.h"
 #include "hal.h"
 
-__attribute__ ((section(".cfmconfig")))
-const uint8_t _cfm[0x10] = {
-  0xFF,  /* NV_BACKKEY3: KEY=0xFF */
-  0xFF,  /* NV_BACKKEY2: KEY=0xFF */
-  0xFF,  /* NV_BACKKEY1: KEY=0xFF */
-  0xFF,  /* NV_BACKKEY0: KEY=0xFF */
-  0xFF,  /* NV_BACKKEY7: KEY=0xFF */
-  0xFF,  /* NV_BACKKEY6: KEY=0xFF */
-  0xFF,  /* NV_BACKKEY5: KEY=0xFF */
-  0xFF,  /* NV_BACKKEY4: KEY=0xFF */
-  0xFF,  /* NV_FPROT3: PROT=0xFF */
-  0xFF,  /* NV_FPROT2: PROT=0xFF */
-  0xFF,  /* NV_FPROT1: PROT=0xFF */
-  0xFF,  /* NV_FPROT0: PROT=0xFF */
-  0xBE,  /* NV_FSEC: KEYEN=1,MEEN=3,FSLACC=3,SEC=2 */
-  0xFF,  /* NV_FOPT: ??=1,??=1,FAST_INIT=1,LPBOOT1=1,RESET_PIN_CFG=1,
-                      NMI_DIS=1,EZPORT_DIS=1,LPBOOT0=1 */
-  0xFF,
-  0xFF
-};
-
 void spicb(SPIDriver *spip) {
 
   (void)spip;