diff --git a/core/dev/ds2411.c b/core/dev/ds2411.c
index c98e1940c..e4f938cb9 100644
--- a/core/dev/ds2411.c
+++ b/core/dev/ds2411.c
@@ -50,7 +50,6 @@
 
 #include <string.h>
 
-#include <signal.h>
 #include <io.h>
 
 #include "contiki.h"