diff --git a/demos/AVR-AT90CANx-GCC/mcuconf.h b/demos/AVR-AT90CANx-GCC/mcuconf.h
index bd31976f2..85a8cc2a6 100644
--- a/demos/AVR-AT90CANx-GCC/mcuconf.h
+++ b/demos/AVR-AT90CANx-GCC/mcuconf.h
@@ -50,4 +50,3 @@
 /*
  * SPI driver system settings.
  */
-#define USE_LPC214x_SPI1            TRUE
diff --git a/demos/AVR-ATmega128-GCC/mcuconf.h b/demos/AVR-ATmega128-GCC/mcuconf.h
index bd31976f2..85a8cc2a6 100644
--- a/demos/AVR-ATmega128-GCC/mcuconf.h
+++ b/demos/AVR-ATmega128-GCC/mcuconf.h
@@ -50,4 +50,3 @@
 /*
  * SPI driver system settings.
  */
-#define USE_LPC214x_SPI1            TRUE