diff --git a/boards/iotlab-m3/include/board.h b/boards/iotlab-m3/include/board.h
index 59130181e5..0db7ba6a8a 100644
--- a/boards/iotlab-m3/include/board.h
+++ b/boards/iotlab-m3/include/board.h
@@ -52,13 +52,6 @@ extern "C" {
 #define STDIO_RX_BUFSIZE    (64U)
 /** @} */
 
-/**
- * @name Assign the hardware timer
- * @{
- */
-#define HW_TIMER            TIMER_0
-/** @} */
-
 /**
  * @name Define the interface to the AT86RF231 radio
  * @{