diff --git a/boards/mega-xplained/include/board.h b/boards/mega-xplained/include/board.h
index 70c3abd794..52baca6759 100644
--- a/boards/mega-xplained/include/board.h
+++ b/boards/mega-xplained/include/board.h
@@ -49,22 +49,6 @@ extern "C" {
  */
 #define UART_STDIO_DEV       (UART_DEV(1))
 
-/**
- * @name    Context swap defines
- *
- * Setup to use PD7 which is pin change interrupt 31 (PCINT31)
- * This emulates a software triggered interrupt
- * @{
- */
-#define AVR_CONTEXT_SWAP_INIT do { \
-            DDRD |= (1 << PD7); \
-            PCICR |= (1 << PCIE3); \
-            PCMSK3 |= (1 << PCINT31); \
-} while (0)
-#define AVR_CONTEXT_SWAP_INTERRUPT_VECT  PCINT3_vect
-#define AVR_CONTEXT_SWAP_TRIGGER   PORTD ^= (1 << PD7)
-/** @} */
-
 /**
  * @name    xtimer configuration values
  *